- published: 27 Apr 2015
- views: 33
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Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: stipoverite. Stishovite Meaning. How to pronounce, definition audio dictionary. How to say stishovite. Powered by MaryTTS, Wiktionary
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath.
- published: 13 Oct 2015
- views: 64
Supplementary video for the article published in Nature Materials
"Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2"
http://dx.doi.org/10.1038/nmat4447
- published: 07 Oct 2015
- views: 11286
Please would someone show this to Nephilimfree for me!
Sorry this video is kind of boring for most people.
It had not been my intention to get into a heated 'chat' with Nephilimfree, but I hadn't quite realised just how obnoxious and rude then man can be. This was an oversight on my part. I also acknowledge the pointlessness of attempting to communicate with the man. However, I thought it was worth me having a go seeing as I do know my stuff about this topic.
Just to clarify, when I said this was my subject area I was referring to the transfer of hydrous agents from the subducting oceanic lithosphere to the overlying mantle in general, not specifically sediment melting experiments...
I'll produce a more 'user friendly' video at some point.
Cheers. References:
Ganguly J (1972) Staurolite Stability and Related Parageneses: Theory, Experiments, and Applications. J Petrol 13:335-365
Nichols GT, Wyllie PJ and Stern CR (1994) Subduction zone melting of pelagic sediments constrained by melting experiments. Nature 371:785-788
Schmidt MW and Poli S (1994) The stablity of lawsonite and zoisite at high pressures: Experiments in CASH to 92 kbar and implications for the presence of hydrous phases in subducted lithosphere. Earth Planet Sci Lett 124:105-118
Poli S and Schmidt MW (1995) H2O transport and release in subduction zones: Experimental constraints on basaltic and andesitic systems. J Geophys Res 100:22299-22314
Poli S and Schmidt MW (1998) The high-pressure stability of zoisite and phase relationships of zoisite-bearing assemblages. Contrib Mineral Petrol 130:162-175
Schmidt MW and Poli S (1998) Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation. Earth Planet Sci Lett 163:361-379
Johnson MC and Plank T (1999) Dehydration and melting experiments constrain the fate of subducted sediments. Geochem Geophys Geosys doi:10.1029/1999GC000014
Molina JF and Poli S (2000) Carbonate stability and fluid composition in subducted oceanic crust: an experimental study on H20-CO2-bearing basalts. Earth Planet Sci Lett 176:295-310
Grevel K-D, Schoenitz M, Skrok V, Navrotsky A and Schreyer W (2001) Thermodynamic data of lawsonite and zoisite in the system CaO-Al2O3-SiO2-H2O based on experimental phase equilibria and calorimetric work. Contrib Mineral Petrol 142:298-308
Hermann J and Green DH (2001) Experimental constraints on high pressure melting in subducted crust. Earth Planet Sci Lett 188:149-168
Brunsmann A, Franz G and Heinrich W (2002) Experimental investigation of zoisite-clinozoisite phase equilibria in the system CaO-Fe2O3-Al2O3-SiO2-H2O. Contrib Mineral Petrol 143:115130
Forneris JF and Holloway JR (2003) Phase equilibria in subducting basaltic crust: implications for H2O release from the slab. Earth Planet Sci Lett 214:187-201
Pawley A (2003) Chlorite stability in mantle peridotite: the reaction clinochlore+enstatite=forsterite+pyrope+H2O. Contrib Mineral Petrol 144:449-456
Fumagalli P and Poli S (2005) Experimentally Determined Phase Relations in Hydrous Peridotites to 6.5 GPa and their Consequences on the Dynamics of Subduction Zones. J Petrol 46(3):555-578
Litasov KD and Ohtani E (2005) Phase relations in hydrous MORB at 18-28 GPa: implications for heterogeneity of the lower mantle. Phys Earth Planet Int 150:239-263
Litasov KD, Kagi H, Shatskiy A, Ohtani E, Lakshtanov DL, Bass JD and Ito E (2007) High hydrogen solubility in Al-rich stishovite and water transport in the lower mantle. Earth Planet Sci Lett 262:620-634
Hermann J and Spandler CJ (2006) Sediment Melts at Sub-arc Depths: an Experimental Study. J Petrol 49(4):717-740
Thomsen TB and Schmidt MW (2008) The Biotite to Phengite Reaction and Mica-dominated Melting in Fluid + Carbonate-saturated Pelites at High Pressures. J Petrol 49(10):1889-1914
Poli S, Franzolin E, Fumagalli P and Crottini A (2009) The transport of carbon and hydrogen in subducted oceanic crust: An experimental study to 5 GPa. Earth Planet Sci Lett 278:350-360
Skora S and Blundy J (2010) High-pressure Hydrous Phase Relations of Radiolarian Clay and Implications for the Involvement of Subducted Sediments in Arc Magmatism. J Petrol 51(11):2211-2243
- published: 06 Feb 2011
- views: 1359
Using a home built nano second timer to timer the delay between shutter activation and shutter opening
- published: 14 Oct 2015
- views: 204
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride solution. These false-color images show growth of the nanocrystals and local and collective effects on the evolution of their size and shape. Designer nanocrystals may find application in chemical catalysts, semiconductor and magnetic materials and devices for energy generation and storage.
Video courtesy of Oak Ridge National Laboratory, U.S. Dept. of Energy; microscopy by Raymond Unocic
Reference: Anton V. Ievlev, Stephen Jesse, Thomas J. Cochell, Raymond R. Unocic, Vladimir A. Protopopescu, and Sergei V. Kalinin, “Quantitative Description of Crystal Nucleation and Growth from in Situ Liquid Scanning Transmission Electron Microscopy,” ACS Nano 2015, 9 (12), 11784
Acknowledgement: Research was supported by the Center for Nanophase Materials Sciences, a U.S. Department of Energy Office of Science User Facility.
- published: 20 Jan 2016
- views: 174
how to scratch glassware and with nucleation induce crystal formation
- published: 24 Nov 2014
- views: 214
Toying with our IFM- LIMI (Alicona Infinitive Focus):
Step 1 – mount a heating / cooling stage
Step 2 – melt polymers
Step 3 – watch them cooling and crystallising via transmitted-light
Step 4 – make this beautiful video: second 25 is really amazing!
In polymer physics, spherulites (from Greek sphaira = ball and lithos = stone) are spherical semicrystalline regions inside non-branched linear polymers. Their formation is associated with crystallisation of polymers from the melt and is controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. The size of spherulites varies in a wide range, from micrometers up to 1 centimeter and is controlled by the nucleation.
Made by Claudia Mayrhofer
- published: 22 Jan 2016
- views: 95
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event.
Planar fractures are parallel sets of multiple planar cracks or cleavages in quartz grains; they develop at the lowest
pressures characteristic of shock waves and a common feature of quartz grains found associated with impact structures. Although the occurrence of planar fractures is relatively common in other deformed rocks, the development of intense, widespread, and closely spaced planar fractures is considered diagnostic of shock metamorphism.
Planar deformation features, or PDFs, are optically recognizable microscopic features in grains of silicate minerals , consisting of very narrow planes of glassy material arranged in parallel sets that have distinct orientations with respect to the grain's crystal structure. PDFs are only produced by extreme shock compressions on the scale of meteor impacts. They are not found in volcanic environments.
This form of twinning in quartz is relatively common but the occurrence of close-spaced Brazil twins parallel to the basal plane, , has only been reported from impact structures. Experimental formation of basal-orientated Brazil twins in quartz requires high stresses and high strain rates, and it seems probable that such features in natural quartz can also be regarded as unique impact indicators.
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SUBSCRIBE TODAY
Disclaimer: This video is for your information only. The author or publisher does not guarantee the accuracy of the content presented in this video. USE AT YOUR OWN RISK.
Background Music:
"The Place Inside" by Silent Partner (royalty-free) from YouTube Audio Library.
This video uses material/images from https://en.wikipedia.org/wiki/Shock+metamorphism, which is released under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . This video is licensed under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . To reuse/adapt the content in your own work, you must comply with the license terms.
- published: 04 Sep 2015
- views: 148
Stishovite
Stishovite is an extremely hard, dense tetragonal form (polymorph) of silicon dioxide. It is very rare on the earth's surface. It may however be a predominant form of silicon dioxide in the earth, especially in the lower mantle.
Stishovite was named after Sergey M. Stishov, a Russian high-pressure physicist who first synthesized the mineral in 1961. It was discovered in Meteor Crater in 1962 by Edward C. T. Chao.
Unlike other silica polymorphs, the crystal structure of stishovite resembles that of rutile (TiO2). The silicon in stishovite adopts an octahedral coordination geometry, being bound to six oxides. Similarly the oxides are three-connected, unlike low pressure forms of SiO2. In most silicates, silicon is tetrahedral, being bound to four oxides. It was long considered the hardest known oxide (~30 GPa Vickers); however, boron suboxide has been discovered in 2002 to be much harder. At normal temperature and pressure, stishovite is metastable.
Stishovite can be separated from quartz by applying hydrogen fluoride (HF); unlike quartz, stishovite will not react.
This page contains text from Wikipedia, the Free Encyclopedia -
http://wn.com/Stishovite
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
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0:33Stishovite Meaning
Stishovite MeaningStishovite Meaning
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: stipoverite. Stishovite Meaning. How to pronounce, definition audio dictionary. How to say stishovite. Powered by MaryTTS, Wiktionary -
2:35Meteorite impact turns silica into stishovite in a billionth of a second
Meteorite impact turns silica into stishovite in a billionth of a secondMeteorite impact turns silica into stishovite in a billionth of a second
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath. -
0:59Nanosecond Stishovite Crystallization
Nanosecond Stishovite CrystallizationNanosecond Stishovite Crystallization
Supplementary video for the article published in Nature Materials "Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2" http://dx.doi.org/10.1038/nmat4447 -
3:36Dear Nephilimfree: you are wrong about water
Dear Nephilimfree: you are wrong about waterDear Nephilimfree: you are wrong about water
Please would someone show this to Nephilimfree for me! Sorry this video is kind of boring for most people. It had not been my intention to get into a heated 'chat' with Nephilimfree, but I hadn't quite realised just how obnoxious and rude then man can be. This was an oversight on my part. I also acknowledge the pointlessness of attempting to communicate with the man. However, I thought it was worth me having a go seeing as I do know my stuff about this topic. Just to clarify, when I said this was my subject area I was referring to the transfer of hydrous agents from the subducting oceanic lithosphere to the overlying mantle in general, not specifically sediment melting experiments... I'll produce a more 'user friendly' video at some point. Cheers. References: Ganguly J (1972) Staurolite Stability and Related Parageneses: Theory, Experiments, and Applications. J Petrol 13:335-365 Nichols GT, Wyllie PJ and Stern CR (1994) Subduction zone melting of pelagic sediments constrained by melting experiments. Nature 371:785-788 Schmidt MW and Poli S (1994) The stablity of lawsonite and zoisite at high pressures: Experiments in CASH to 92 kbar and implications for the presence of hydrous phases in subducted lithosphere. Earth Planet Sci Lett 124:105-118 Poli S and Schmidt MW (1995) H2O transport and release in subduction zones: Experimental constraints on basaltic and andesitic systems. J Geophys Res 100:22299-22314 Poli S and Schmidt MW (1998) The high-pressure stability of zoisite and phase relationships of zoisite-bearing assemblages. Contrib Mineral Petrol 130:162-175 Schmidt MW and Poli S (1998) Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation. Earth Planet Sci Lett 163:361-379 Johnson MC and Plank T (1999) Dehydration and melting experiments constrain the fate of subducted sediments. Geochem Geophys Geosys doi:10.1029/1999GC000014 Molina JF and Poli S (2000) Carbonate stability and fluid composition in subducted oceanic crust: an experimental study on H20-CO2-bearing basalts. Earth Planet Sci Lett 176:295-310 Grevel K-D, Schoenitz M, Skrok V, Navrotsky A and Schreyer W (2001) Thermodynamic data of lawsonite and zoisite in the system CaO-Al2O3-SiO2-H2O based on experimental phase equilibria and calorimetric work. Contrib Mineral Petrol 142:298-308 Hermann J and Green DH (2001) Experimental constraints on high pressure melting in subducted crust. Earth Planet Sci Lett 188:149-168 Brunsmann A, Franz G and Heinrich W (2002) Experimental investigation of zoisite-clinozoisite phase equilibria in the system CaO-Fe2O3-Al2O3-SiO2-H2O. Contrib Mineral Petrol 143:115130 Forneris JF and Holloway JR (2003) Phase equilibria in subducting basaltic crust: implications for H2O release from the slab. Earth Planet Sci Lett 214:187-201 Pawley A (2003) Chlorite stability in mantle peridotite: the reaction clinochlore+enstatite=forsterite+pyrope+H2O. Contrib Mineral Petrol 144:449-456 Fumagalli P and Poli S (2005) Experimentally Determined Phase Relations in Hydrous Peridotites to 6.5 GPa and their Consequences on the Dynamics of Subduction Zones. J Petrol 46(3):555-578 Litasov KD and Ohtani E (2005) Phase relations in hydrous MORB at 18-28 GPa: implications for heterogeneity of the lower mantle. Phys Earth Planet Int 150:239-263 Litasov KD, Kagi H, Shatskiy A, Ohtani E, Lakshtanov DL, Bass JD and Ito E (2007) High hydrogen solubility in Al-rich stishovite and water transport in the lower mantle. Earth Planet Sci Lett 262:620-634 Hermann J and Spandler CJ (2006) Sediment Melts at Sub-arc Depths: an Experimental Study. J Petrol 49(4):717-740 Thomsen TB and Schmidt MW (2008) The Biotite to Phengite Reaction and Mica-dominated Melting in Fluid + Carbonate-saturated Pelites at High Pressures. J Petrol 49(10):1889-1914 Poli S, Franzolin E, Fumagalli P and Crottini A (2009) The transport of carbon and hydrogen in subducted oceanic crust: An experimental study to 5 GPa. Earth Planet Sci Lett 278:350-360 Skora S and Blundy J (2010) High-pressure Hydrous Phase Relations of Radiolarian Clay and Implications for the Involvement of Subducted Sediments in Arc Magmatism. J Petrol 51(11):2211-2243 -
0:12Nano second timer timing shutter lag
Nano second timer timing shutter lagNano second timer timing shutter lag
Using a home built nano second timer to timer the delay between shutter activation and shutter opening -
0:18How to Pronounce Spherulitic
How to Pronounce SpheruliticHow to Pronounce Spherulitic
This video shows you how to pronounce Spherulitic -
0:21Nanoscience – Learning from nanocrystal growth
Nanoscience – Learning from nanocrystal growthNanoscience – Learning from nanocrystal growth
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride solution. These false-color images show growth of the nanocrystals and local and collective effects on the evolution of their size and shape. Designer nanocrystals may find application in chemical catalysts, semiconductor and magnetic materials and devices for energy generation and storage. Video courtesy of Oak Ridge National Laboratory, U.S. Dept. of Energy; microscopy by Raymond Unocic Reference: Anton V. Ievlev, Stephen Jesse, Thomas J. Cochell, Raymond R. Unocic, Vladimir A. Protopopescu, and Sergei V. Kalinin, “Quantitative Description of Crystal Nucleation and Growth from in Situ Liquid Scanning Transmission Electron Microscopy,” ACS Nano 2015, 9 (12), 11784 Acknowledgement: Research was supported by the Center for Nanophase Materials Sciences, a U.S. Department of Energy Office of Science User Facility. -
1:46Exp X10 How to induce crystallization
Exp X10 How to induce crystallizationExp X10 How to induce crystallization
how to scratch glassware and with nucleation induce crystal formation -
0:41Spherulites (melting and cooling polymers)
Spherulites (melting and cooling polymers)Spherulites (melting and cooling polymers)
Toying with our IFM- LIMI (Alicona Infinitive Focus): Step 1 – mount a heating / cooling stage Step 2 – melt polymers Step 3 – watch them cooling and crystallising via transmitted-light Step 4 – make this beautiful video: second 25 is really amazing! In polymer physics, spherulites (from Greek sphaira = ball and lithos = stone) are spherical semicrystalline regions inside non-branched linear polymers. Their formation is associated with crystallisation of polymers from the melt and is controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. The size of spherulites varies in a wide range, from micrometers up to 1 centimeter and is controlled by the nucleation. Made by Claudia Mayrhofer -
2:04Shock metamorphism - Video Learning - WizScience.com
Shock metamorphism - Video Learning - WizScience.comShock metamorphism - Video Learning - WizScience.com
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event. Planar fractures are parallel sets of multiple planar cracks or cleavages in quartz grains; they develop at the lowest pressures characteristic of shock waves and a common feature of quartz grains found associated with impact structures. Although the occurrence of planar fractures is relatively common in other deformed rocks, the development of intense, widespread, and closely spaced planar fractures is considered diagnostic of shock metamorphism. Planar deformation features, or PDFs, are optically recognizable microscopic features in grains of silicate minerals , consisting of very narrow planes of glassy material arranged in parallel sets that have distinct orientations with respect to the grain's crystal structure. PDFs are only produced by extreme shock compressions on the scale of meteor impacts. They are not found in volcanic environments. This form of twinning in quartz is relatively common but the occurrence of close-spaced Brazil twins parallel to the basal plane, , has only been reported from impact structures. Experimental formation of basal-orientated Brazil twins in quartz requires high stresses and high strain rates, and it seems probable that such features in natural quartz can also be regarded as unique impact indicators. Wiz Science™ is "the" learning channel for children and all ages. SUBSCRIBE TODAY Disclaimer: This video is for your information only. The author or publisher does not guarantee the accuracy of the content presented in this video. USE AT YOUR OWN RISK. Background Music: "The Place Inside" by Silent Partner (royalty-free) from YouTube Audio Library. This video uses material/images from https://en.wikipedia.org/wiki/Shock+metamorphism, which is released under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . This video is licensed under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . To reuse/adapt the content in your own work, you must comply with the license terms.
-
Stishovite Meaning
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: stipoverite. Stishovite Meaning. How to pronounce, definition audio dictionary. How to say stishovite. Powered by MaryTTS, Wiktionary -
Meteorite impact turns silica into stishovite in a billionth of a second
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath. -
Nanosecond Stishovite Crystallization
Supplementary video for the article published in Nature Materials "Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2" http://dx.doi.org/10.1038/nmat4447 -
Dear Nephilimfree: you are wrong about water
Please would someone show this to Nephilimfree for me! Sorry this video is kind of boring for most people. It had not been my intention to get into a heated 'chat' with Nephilimfree, but I hadn't quite realised just how obnoxious and rude then man can be. This was an oversight on my part. I also acknowledge the pointlessness of attempting to communicate with the man. However, I thought it was worth me having a go seeing as I do know my stuff about this topic. Just to clarify, when I said this was my subject area I was referring to the transfer of hydrous agents from the subducting oceanic lithosphere to the overlying mantle in general, not specifically sediment melting experiments... I'll produce a more 'user friendly' video at some point. Cheers. References: Ganguly J (1972) S... -
Nano second timer timing shutter lag
Using a home built nano second timer to timer the delay between shutter activation and shutter opening -
How to Pronounce Spherulitic
This video shows you how to pronounce Spherulitic -
Nanoscience – Learning from nanocrystal growth
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride solution. These false-color images show growth of the nanocrystals and local and collective effects on the evolution of their size and shape. Designer nanocrystals may find application in chemical catalysts, semiconductor and magnetic materials and devices for energy generation and storage. Video courtesy of Oak Ridge National Laboratory, U.S. Dept. of Energy; microscopy by Raymond Unocic Reference: Anton V. Ievlev, Stephen Jesse, Thomas J. Cochell, Raymond R. Unocic, Vladimir A. Protopopescu, and Sergei V. Kalinin, “Quantitative Description of Crystal Nucleation and Growth from in Situ Liquid Scanning Transmission Electron Micros... -
Exp X10 How to induce crystallization
how to scratch glassware and with nucleation induce crystal formation -
Spherulites (melting and cooling polymers)
Toying with our IFM- LIMI (Alicona Infinitive Focus): Step 1 – mount a heating / cooling stage Step 2 – melt polymers Step 3 – watch them cooling and crystallising via transmitted-light Step 4 – make this beautiful video: second 25 is really amazing! In polymer physics, spherulites (from Greek sphaira = ball and lithos = stone) are spherical semicrystalline regions inside non-branched linear polymers. Their formation is associated with crystallisation of polymers from the melt and is controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. The size of spherulites varies in a wide range, from micrometers up to 1 centimeter and is controlled by the nucleation. Made by Claudia Mayrhofer -
Shock metamorphism - Video Learning - WizScience.com
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event. Planar fractures are parallel sets of multiple planar cracks or cleavages in quartz grains; they develop at the lowest pressures characteristic of shock waves and a common feature of quartz grains found associated with impact structures. Although the occurrence of planar fractures is relatively common in other deformed rocks, the development of intense, widespread, and closely spaced planar fractures is considered di...
Stishovite Meaning
- Order: Reorder
- Duration: 0:33
- Updated: 27 Apr 2015
- views: 33
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: sti...
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: stipoverite. Stishovite Meaning. How to pronounce, definition audio dictionary. How to say stishovite. Powered by MaryTTS, Wiktionary
wn.com/Stishovite Meaning
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic form of quartz formed under very high pressure.. stishovite synonyms: stipoverite. Stishovite Meaning. How to pronounce, definition audio dictionary. How to say stishovite. Powered by MaryTTS, Wiktionary
- published: 27 Apr 2015
- views: 33
Meteorite impact turns silica into stishovite in a billionth of a second
- Order: Reorder
- Duration: 2:35
- Updated: 13 Oct 2015
- views: 64
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Ear...
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath.
wn.com/Meteorite Impact Turns Silica Into Stishovite In A Billionth Of A Second
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath.
- published: 13 Oct 2015
- views: 64
Nanosecond Stishovite Crystallization
- Order: Reorder
- Duration: 0:59
- Updated: 07 Oct 2015
- views: 11286
Supplementary video for the article published in Nature Materials
"Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2"
http://dx.doi...
Supplementary video for the article published in Nature Materials
"Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2"
http://dx.doi.org/10.1038/nmat4447
wn.com/Nanosecond Stishovite Crystallization
Supplementary video for the article published in Nature Materials
"Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2"
http://dx.doi.org/10.1038/nmat4447
- published: 07 Oct 2015
- views: 11286
Dear Nephilimfree: you are wrong about water
- Order: Reorder
- Duration: 3:36
- Updated: 06 Feb 2011
- views: 1359
Please would someone show this to Nephilimfree for me!
Sorry this video is kind of boring for most people.
It had not been my intention to get into a heated...
Please would someone show this to Nephilimfree for me!
Sorry this video is kind of boring for most people.
It had not been my intention to get into a heated 'chat' with Nephilimfree, but I hadn't quite realised just how obnoxious and rude then man can be. This was an oversight on my part. I also acknowledge the pointlessness of attempting to communicate with the man. However, I thought it was worth me having a go seeing as I do know my stuff about this topic.
Just to clarify, when I said this was my subject area I was referring to the transfer of hydrous agents from the subducting oceanic lithosphere to the overlying mantle in general, not specifically sediment melting experiments...
I'll produce a more 'user friendly' video at some point.
Cheers. References:
Ganguly J (1972) Staurolite Stability and Related Parageneses: Theory, Experiments, and Applications. J Petrol 13:335-365
Nichols GT, Wyllie PJ and Stern CR (1994) Subduction zone melting of pelagic sediments constrained by melting experiments. Nature 371:785-788
Schmidt MW and Poli S (1994) The stablity of lawsonite and zoisite at high pressures: Experiments in CASH to 92 kbar and implications for the presence of hydrous phases in subducted lithosphere. Earth Planet Sci Lett 124:105-118
Poli S and Schmidt MW (1995) H2O transport and release in subduction zones: Experimental constraints on basaltic and andesitic systems. J Geophys Res 100:22299-22314
Poli S and Schmidt MW (1998) The high-pressure stability of zoisite and phase relationships of zoisite-bearing assemblages. Contrib Mineral Petrol 130:162-175
Schmidt MW and Poli S (1998) Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation. Earth Planet Sci Lett 163:361-379
Johnson MC and Plank T (1999) Dehydration and melting experiments constrain the fate of subducted sediments. Geochem Geophys Geosys doi:10.1029/1999GC000014
Molina JF and Poli S (2000) Carbonate stability and fluid composition in subducted oceanic crust: an experimental study on H20-CO2-bearing basalts. Earth Planet Sci Lett 176:295-310
Grevel K-D, Schoenitz M, Skrok V, Navrotsky A and Schreyer W (2001) Thermodynamic data of lawsonite and zoisite in the system CaO-Al2O3-SiO2-H2O based on experimental phase equilibria and calorimetric work. Contrib Mineral Petrol 142:298-308
Hermann J and Green DH (2001) Experimental constraints on high pressure melting in subducted crust. Earth Planet Sci Lett 188:149-168
Brunsmann A, Franz G and Heinrich W (2002) Experimental investigation of zoisite-clinozoisite phase equilibria in the system CaO-Fe2O3-Al2O3-SiO2-H2O. Contrib Mineral Petrol 143:115130
Forneris JF and Holloway JR (2003) Phase equilibria in subducting basaltic crust: implications for H2O release from the slab. Earth Planet Sci Lett 214:187-201
Pawley A (2003) Chlorite stability in mantle peridotite: the reaction clinochlore+enstatite=forsterite+pyrope+H2O. Contrib Mineral Petrol 144:449-456
Fumagalli P and Poli S (2005) Experimentally Determined Phase Relations in Hydrous Peridotites to 6.5 GPa and their Consequences on the Dynamics of Subduction Zones. J Petrol 46(3):555-578
Litasov KD and Ohtani E (2005) Phase relations in hydrous MORB at 18-28 GPa: implications for heterogeneity of the lower mantle. Phys Earth Planet Int 150:239-263
Litasov KD, Kagi H, Shatskiy A, Ohtani E, Lakshtanov DL, Bass JD and Ito E (2007) High hydrogen solubility in Al-rich stishovite and water transport in the lower mantle. Earth Planet Sci Lett 262:620-634
Hermann J and Spandler CJ (2006) Sediment Melts at Sub-arc Depths: an Experimental Study. J Petrol 49(4):717-740
Thomsen TB and Schmidt MW (2008) The Biotite to Phengite Reaction and Mica-dominated Melting in Fluid + Carbonate-saturated Pelites at High Pressures. J Petrol 49(10):1889-1914
Poli S, Franzolin E, Fumagalli P and Crottini A (2009) The transport of carbon and hydrogen in subducted oceanic crust: An experimental study to 5 GPa. Earth Planet Sci Lett 278:350-360
Skora S and Blundy J (2010) High-pressure Hydrous Phase Relations of Radiolarian Clay and Implications for the Involvement of Subducted Sediments in Arc Magmatism. J Petrol 51(11):2211-2243
wn.com/Dear Nephilimfree You Are Wrong About Water
Please would someone show this to Nephilimfree for me!
Sorry this video is kind of boring for most people.
It had not been my intention to get into a heated 'chat' with Nephilimfree, but I hadn't quite realised just how obnoxious and rude then man can be. This was an oversight on my part. I also acknowledge the pointlessness of attempting to communicate with the man. However, I thought it was worth me having a go seeing as I do know my stuff about this topic.
Just to clarify, when I said this was my subject area I was referring to the transfer of hydrous agents from the subducting oceanic lithosphere to the overlying mantle in general, not specifically sediment melting experiments...
I'll produce a more 'user friendly' video at some point.
Cheers. References:
Ganguly J (1972) Staurolite Stability and Related Parageneses: Theory, Experiments, and Applications. J Petrol 13:335-365
Nichols GT, Wyllie PJ and Stern CR (1994) Subduction zone melting of pelagic sediments constrained by melting experiments. Nature 371:785-788
Schmidt MW and Poli S (1994) The stablity of lawsonite and zoisite at high pressures: Experiments in CASH to 92 kbar and implications for the presence of hydrous phases in subducted lithosphere. Earth Planet Sci Lett 124:105-118
Poli S and Schmidt MW (1995) H2O transport and release in subduction zones: Experimental constraints on basaltic and andesitic systems. J Geophys Res 100:22299-22314
Poli S and Schmidt MW (1998) The high-pressure stability of zoisite and phase relationships of zoisite-bearing assemblages. Contrib Mineral Petrol 130:162-175
Schmidt MW and Poli S (1998) Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation. Earth Planet Sci Lett 163:361-379
Johnson MC and Plank T (1999) Dehydration and melting experiments constrain the fate of subducted sediments. Geochem Geophys Geosys doi:10.1029/1999GC000014
Molina JF and Poli S (2000) Carbonate stability and fluid composition in subducted oceanic crust: an experimental study on H20-CO2-bearing basalts. Earth Planet Sci Lett 176:295-310
Grevel K-D, Schoenitz M, Skrok V, Navrotsky A and Schreyer W (2001) Thermodynamic data of lawsonite and zoisite in the system CaO-Al2O3-SiO2-H2O based on experimental phase equilibria and calorimetric work. Contrib Mineral Petrol 142:298-308
Hermann J and Green DH (2001) Experimental constraints on high pressure melting in subducted crust. Earth Planet Sci Lett 188:149-168
Brunsmann A, Franz G and Heinrich W (2002) Experimental investigation of zoisite-clinozoisite phase equilibria in the system CaO-Fe2O3-Al2O3-SiO2-H2O. Contrib Mineral Petrol 143:115130
Forneris JF and Holloway JR (2003) Phase equilibria in subducting basaltic crust: implications for H2O release from the slab. Earth Planet Sci Lett 214:187-201
Pawley A (2003) Chlorite stability in mantle peridotite: the reaction clinochlore+enstatite=forsterite+pyrope+H2O. Contrib Mineral Petrol 144:449-456
Fumagalli P and Poli S (2005) Experimentally Determined Phase Relations in Hydrous Peridotites to 6.5 GPa and their Consequences on the Dynamics of Subduction Zones. J Petrol 46(3):555-578
Litasov KD and Ohtani E (2005) Phase relations in hydrous MORB at 18-28 GPa: implications for heterogeneity of the lower mantle. Phys Earth Planet Int 150:239-263
Litasov KD, Kagi H, Shatskiy A, Ohtani E, Lakshtanov DL, Bass JD and Ito E (2007) High hydrogen solubility in Al-rich stishovite and water transport in the lower mantle. Earth Planet Sci Lett 262:620-634
Hermann J and Spandler CJ (2006) Sediment Melts at Sub-arc Depths: an Experimental Study. J Petrol 49(4):717-740
Thomsen TB and Schmidt MW (2008) The Biotite to Phengite Reaction and Mica-dominated Melting in Fluid + Carbonate-saturated Pelites at High Pressures. J Petrol 49(10):1889-1914
Poli S, Franzolin E, Fumagalli P and Crottini A (2009) The transport of carbon and hydrogen in subducted oceanic crust: An experimental study to 5 GPa. Earth Planet Sci Lett 278:350-360
Skora S and Blundy J (2010) High-pressure Hydrous Phase Relations of Radiolarian Clay and Implications for the Involvement of Subducted Sediments in Arc Magmatism. J Petrol 51(11):2211-2243
- published: 06 Feb 2011
- views: 1359
Nano second timer timing shutter lag
- Order: Reorder
- Duration: 0:12
- Updated: 14 Oct 2015
- views: 204
Using a home built nano second timer to timer the delay between shutter activation and shutter opening
Using a home built nano second timer to timer the delay between shutter activation and shutter opening
wn.com/Nano Second Timer Timing Shutter Lag
Using a home built nano second timer to timer the delay between shutter activation and shutter opening
- published: 14 Oct 2015
- views: 204
How to Pronounce Spherulitic
- Order: Reorder
- Duration: 0:18
- Updated: 02 Jun 2015
- views: 2
This video shows you how to pronounce Spherulitic
This video shows you how to pronounce Spherulitic
wn.com/How To Pronounce Spherulitic
This video shows you how to pronounce Spherulitic
- published: 02 Jun 2015
- views: 2
Nanoscience – Learning from nanocrystal growth
- Order: Reorder
- Duration: 0:21
- Updated: 20 Jan 2016
- views: 174
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride ...
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride solution. These false-color images show growth of the nanocrystals and local and collective effects on the evolution of their size and shape. Designer nanocrystals may find application in chemical catalysts, semiconductor and magnetic materials and devices for energy generation and storage.
Video courtesy of Oak Ridge National Laboratory, U.S. Dept. of Energy; microscopy by Raymond Unocic
Reference: Anton V. Ievlev, Stephen Jesse, Thomas J. Cochell, Raymond R. Unocic, Vladimir A. Protopopescu, and Sergei V. Kalinin, “Quantitative Description of Crystal Nucleation and Growth from in Situ Liquid Scanning Transmission Electron Microscopy,” ACS Nano 2015, 9 (12), 11784
Acknowledgement: Research was supported by the Center for Nanophase Materials Sciences, a U.S. Department of Energy Office of Science User Facility.
wn.com/Nanoscience – Learning From Nanocrystal Growth
Researchers used in situ liquid scanning transmission electron microscopy to directly image nanocrystal nucleation and growth from an aqueous platinum chloride solution. These false-color images show growth of the nanocrystals and local and collective effects on the evolution of their size and shape. Designer nanocrystals may find application in chemical catalysts, semiconductor and magnetic materials and devices for energy generation and storage.
Video courtesy of Oak Ridge National Laboratory, U.S. Dept. of Energy; microscopy by Raymond Unocic
Reference: Anton V. Ievlev, Stephen Jesse, Thomas J. Cochell, Raymond R. Unocic, Vladimir A. Protopopescu, and Sergei V. Kalinin, “Quantitative Description of Crystal Nucleation and Growth from in Situ Liquid Scanning Transmission Electron Microscopy,” ACS Nano 2015, 9 (12), 11784
Acknowledgement: Research was supported by the Center for Nanophase Materials Sciences, a U.S. Department of Energy Office of Science User Facility.
- published: 20 Jan 2016
- views: 174
Exp X10 How to induce crystallization
- Order: Reorder
- Duration: 1:46
- Updated: 24 Nov 2014
- views: 214
how to scratch glassware and with nucleation induce crystal formation
how to scratch glassware and with nucleation induce crystal formation
wn.com/Exp X10 How To Induce Crystallization
how to scratch glassware and with nucleation induce crystal formation
- published: 24 Nov 2014
- views: 214
Spherulites (melting and cooling polymers)
- Order: Reorder
- Duration: 0:41
- Updated: 22 Jan 2016
- views: 95
Toying with our IFM- LIMI (Alicona Infinitive Focus):
Step 1 – mount a heating / cooling stage
Step 2 – melt polymers
Step 3 – watch them cooling and crystalli...
Toying with our IFM- LIMI (Alicona Infinitive Focus):
Step 1 – mount a heating / cooling stage
Step 2 – melt polymers
Step 3 – watch them cooling and crystallising via transmitted-light
Step 4 – make this beautiful video: second 25 is really amazing!
In polymer physics, spherulites (from Greek sphaira = ball and lithos = stone) are spherical semicrystalline regions inside non-branched linear polymers. Their formation is associated with crystallisation of polymers from the melt and is controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. The size of spherulites varies in a wide range, from micrometers up to 1 centimeter and is controlled by the nucleation.
Made by Claudia Mayrhofer
wn.com/Spherulites (Melting And Cooling Polymers)
Toying with our IFM- LIMI (Alicona Infinitive Focus):
Step 1 – mount a heating / cooling stage
Step 2 – melt polymers
Step 3 – watch them cooling and crystallising via transmitted-light
Step 4 – make this beautiful video: second 25 is really amazing!
In polymer physics, spherulites (from Greek sphaira = ball and lithos = stone) are spherical semicrystalline regions inside non-branched linear polymers. Their formation is associated with crystallisation of polymers from the melt and is controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. The size of spherulites varies in a wide range, from micrometers up to 1 centimeter and is controlled by the nucleation.
Made by Claudia Mayrhofer
- published: 22 Jan 2016
- views: 95
Shock metamorphism - Video Learning - WizScience.com
- Order: Reorder
- Duration: 2:04
- Updated: 04 Sep 2015
- views: 148
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar...
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event.
Planar fractures are parallel sets of multiple planar cracks or cleavages in quartz grains; they develop at the lowest
pressures characteristic of shock waves and a common feature of quartz grains found associated with impact structures. Although the occurrence of planar fractures is relatively common in other deformed rocks, the development of intense, widespread, and closely spaced planar fractures is considered diagnostic of shock metamorphism.
Planar deformation features, or PDFs, are optically recognizable microscopic features in grains of silicate minerals , consisting of very narrow planes of glassy material arranged in parallel sets that have distinct orientations with respect to the grain's crystal structure. PDFs are only produced by extreme shock compressions on the scale of meteor impacts. They are not found in volcanic environments.
This form of twinning in quartz is relatively common but the occurrence of close-spaced Brazil twins parallel to the basal plane, , has only been reported from impact structures. Experimental formation of basal-orientated Brazil twins in quartz requires high stresses and high strain rates, and it seems probable that such features in natural quartz can also be regarded as unique impact indicators.
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Disclaimer: This video is for your information only. The author or publisher does not guarantee the accuracy of the content presented in this video. USE AT YOUR OWN RISK.
Background Music:
"The Place Inside" by Silent Partner (royalty-free) from YouTube Audio Library.
This video uses material/images from https://en.wikipedia.org/wiki/Shock+metamorphism, which is released under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . This video is licensed under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . To reuse/adapt the content in your own work, you must comply with the license terms.
wn.com/Shock Metamorphism Video Learning Wizscience.Com
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event.
Planar fractures are parallel sets of multiple planar cracks or cleavages in quartz grains; they develop at the lowest
pressures characteristic of shock waves and a common feature of quartz grains found associated with impact structures. Although the occurrence of planar fractures is relatively common in other deformed rocks, the development of intense, widespread, and closely spaced planar fractures is considered diagnostic of shock metamorphism.
Planar deformation features, or PDFs, are optically recognizable microscopic features in grains of silicate minerals , consisting of very narrow planes of glassy material arranged in parallel sets that have distinct orientations with respect to the grain's crystal structure. PDFs are only produced by extreme shock compressions on the scale of meteor impacts. They are not found in volcanic environments.
This form of twinning in quartz is relatively common but the occurrence of close-spaced Brazil twins parallel to the basal plane, , has only been reported from impact structures. Experimental formation of basal-orientated Brazil twins in quartz requires high stresses and high strain rates, and it seems probable that such features in natural quartz can also be regarded as unique impact indicators.
Wiz Science™ is "the" learning channel for children and all ages.
SUBSCRIBE TODAY
Disclaimer: This video is for your information only. The author or publisher does not guarantee the accuracy of the content presented in this video. USE AT YOUR OWN RISK.
Background Music:
"The Place Inside" by Silent Partner (royalty-free) from YouTube Audio Library.
This video uses material/images from https://en.wikipedia.org/wiki/Shock+metamorphism, which is released under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . This video is licensed under Creative Commons Attribution-Share-Alike License 3.0 http://creativecommons.org/licenses/by-sa/3.0/ . To reuse/adapt the content in your own work, you must comply with the license terms.
- published: 04 Sep 2015
- views: 148
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0:33
Stishovite Meaning
Video shows what stishovite means. A fine-grained mineral, SiO2, that is a polymorphic for...
published: 27 Apr 2015
Stishovite Meaning
Stishovite Meaning
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- published: 27 Apr 2015
- views: 33
2:35
Meteorite impact turns silica into stishovite in a billionth of a second
The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metr...
published: 13 Oct 2015
Meteorite impact turns silica into stishovite in a billionth of a second
Meteorite impact turns silica into stishovite in a billionth of a second
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- published: 13 Oct 2015
- views: 64
0:59
Nanosecond Stishovite Crystallization
Supplementary video for the article published in Nature Materials
"Nanosecond homogeneous...
published: 07 Oct 2015
Nanosecond Stishovite Crystallization
Nanosecond Stishovite Crystallization
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- published: 07 Oct 2015
- views: 11286
3:36
Dear Nephilimfree: you are wrong about water
Please would someone show this to Nephilimfree for me!
Sorry this video is kind of boring...
published: 06 Feb 2011
Dear Nephilimfree: you are wrong about water
Dear Nephilimfree: you are wrong about water
- Report rights infringement
- published: 06 Feb 2011
- views: 1359
0:12
Nano second timer timing shutter lag
Using a home built nano second timer to timer the delay between shutter activation and shu...
published: 14 Oct 2015
Nano second timer timing shutter lag
Nano second timer timing shutter lag
- Report rights infringement
- published: 14 Oct 2015
- views: 204
0:18
How to Pronounce Spherulitic
This video shows you how to pronounce Spherulitic
published: 02 Jun 2015
How to Pronounce Spherulitic
How to Pronounce Spherulitic
- Report rights infringement
- published: 02 Jun 2015
- views: 2
0:21
Nanoscience – Learning from nanocrystal growth
Researchers used in situ liquid scanning transmission electron microscopy to directly imag...
published: 20 Jan 2016
Nanoscience – Learning from nanocrystal growth
Nanoscience – Learning from nanocrystal growth
- Report rights infringement
- published: 20 Jan 2016
- views: 174
1:46
Exp X10 How to induce crystallization
how to scratch glassware and with nucleation induce crystal formation
published: 24 Nov 2014
Exp X10 How to induce crystallization
Exp X10 How to induce crystallization
- Report rights infringement
- published: 24 Nov 2014
- views: 214
0:41
Spherulites (melting and cooling polymers)
Toying with our IFM- LIMI (Alicona Infinitive Focus):
Step 1 – mount a heating / cooling ...
published: 22 Jan 2016
Spherulites (melting and cooling polymers)
Spherulites (melting and cooling polymers)
- Report rights infringement
- published: 22 Jan 2016
- views: 95
2:04
Shock metamorphism - Video Learning - WizScience.com
"Shock metamorphism" or "impact metamorphism" describes the effects of shock-wave related ...
published: 04 Sep 2015
Shock metamorphism - Video Learning - WizScience.com
Shock metamorphism - Video Learning - WizScience.com
- Report rights infringement
- published: 04 Sep 2015
- views: 148
Stishovite Meaning...
Meteorite impact turns silica into stishovite in a...
Nanosecond Stishovite Crystallization...
Dear Nephilimfree: you are wrong about water...
Nano second timer timing shutter lag...
How to Pronounce Spherulitic...
Nanoscience – Learning from nanocrystal growth...
Exp X10 How to induce crystallization...
Spherulites (melting and cooling polymers)...
