- published: 17 Nov 2014
- views: 4721380
A thermal column (or thermal) is a column of rising air in the lower altitudes of Earth's atmosphere. Thermals are created by the uneven heating of Earth's surface from solar radiation, and are an example of convection, specifically atmospheric convection. The Sun warms the ground, which in turn warms the air directly above it. Dark earth, urban areas, and roadways are good sources of thermals.
The warmer air near the surface expands, becoming less dense than the surrounding air. The lighter air rises and cools due to its expansion in the lower pressure at higher altitudes. It stops rising when it has cooled to the same temperature as the surrounding air. Associated with a thermal is a downward flow surrounding the thermal column. The downward-moving exterior is caused by colder air being displaced at the top of the thermal.
The size and strength of thermals are influenced by the properties of the lower atmosphere (the troposphere). Generally, when the air is cold, bubbles of warm air are formed by the ground heating the air above it and can rise like a hot air balloon. The air is then referred to as unstable. If there is a warm layer of air higher up, an inversion can prevent thermals from rising high and the air is said to be stable.
Actors: Ed Shearmur (composer), Roy Lee (producer), Alfred Molina (actor), Ilia Volok (actor), Doug Davison (producer), Maria Bello (actress), Taylor Lautner (actor), Jason Isaacs (actor), Roger Guenveur Smith (actor), Dermot Mulroney (actor), Ken Arnold (actor), Sigourney Weaver (actress), Michael Nyqvist (actor), John Singleton (director), Ruth E. Carter (costume designer),
Plot: Nathan, a teen, along with his friend, Karen, finds a website that has photos of children who are missing or believed to have been abducted. They decide to age one of the photos and discover that it is of Nathan as a child. He contacts the person who placed the photo to find out what's going on. The person on the other end only wants to know info about Nathan, so Nathan hangs up. That person then contacts someone in Europe and shows him a photo of the one who called. He then heads for the U.S. Nathan then wonders if it's true he was abducted. He tells his "mom" who then tells him she and his "father" will tell him. But before they can, two men claiming to be cops show up wanting to talk to Nathan, and when he isn't found they pull guns and demand Nathan be given to them. His parents fight them but are killed. Nathan runs but remembers that he asked Karen to come over and one of them tries to get rough with her but Nathan saves her and they escape just as the house blows up. They go to the hospital so that Karen can be treated. Nathan calls 911 to report what happened but finds himself talking to a man named Burton who says he's with the CIA and that his parents were, too. He tells Nathan to wait for some people he is sending to pick him up, but Nathan's therapist shows up telling him that they have to go. She tells him that she and his parents were asked by his real father to take care of him. She warns him not to trust Burton. She tells him to go an apartment in Virginia. When he gets there, he sees the kind of person his father is. When Karen tries to call her relatives, her call is again intercepted by the CIA. Nathan decides to get out and sets out to find his mother whose address he found in his father's apartment.
Keywords: abduction, action-hero, airport, ambush, armed-guard, assassin, assassination-attempt, bare-chested-male, baseball-game, black-beltPredator vision. http://bit.ly/YTbuzzfeedblue1 "Thermal camera provided by FLIR Learn more at http://www.flir.com/instruments/display/?id=62960." #seetheheat Music: Lament Of The Droids Warner // Chappell Production Music Couple: Anita Kalathara YouTube.com/anitabeme Jacob Matthews YouTube.com/churchgirlscomedy GET MORE BUZZFEED: www.buzzfeed.com www.buzzfeed.com/video www.youtube.com/buzzfeed www.youtube.com/buzzfeedvideo www.youtube.com/buzzfeedyellow www.youtube.com/buzzfeedpop www.youtube.com/buzzfeedblue www.youtube.com/cnnbuzzfeed BUZZFEED BLUE Tasty short, fun, inspiring, funny, interesting videos from BuzzFeed. From incredible science facts to amazing how-to's and DIYs, BuzzFeed Blue will entertain, educate, spark conversation about all the little things that matter in life....
Do people fart in public? And how do they act? Watch it on thermal camera! Special thanks to http://www.workswell.cz/ thermal cameras rental. This video was shot on FLIR thermal camera, farts are edited digitally. SUBSCRIBE PLEASE! https://www.youtube.com/channel/UC9nL8eOaoGT0T-nE9Iou6Gg Please comment and share! LIKE US ON FACEBOOK: https://www.facebook.com/factorybanana/ CHECK OUR NEXT VIDEO! https://goo.gl/HQXdaG
What's the use of a thermal camera? There are many applications, but finding a cold spot where there's a ghost is at the bottom of the list. It would be pretty cool if you Support ElectroBOOM at Patreon: http://patreon.com/electroboom Read more articles at: http://www.electroboom.com/?p=763 Follow me on Facebook: http://www.facebook.com/ElectroBOOM For the cool SEEK Thermal camera, visit: http://www.thermal.com Don't forget to use the promo code is you want to get one. Also make sure to visit http://circuitspecialists.com for lab equipment like Mine. For Zus charger and car locator from nonda, visit: http://www.nonda.co/products/nonda-zus-smart-car-charger And special thanks to my sponsors and patrons: http://www.electroboom.com/?page_id=727 Below are my Super Patrons with...
Help us to make future videos for you. Make LE's efforts sustainable. Please support us at Patreon.com ! https://www.patreon.com/LearnEngineering The operation of a thermal power plant is explained in a logical manner with help of animation in this video. Starting from the very basic question a conceptual overview of Rankine cycle is provided here. Topics such a Generator, Steam turbine, condenser, feed water pump, boiler are illustrated at this stage. The basic Rankine cycle is modified and use of super hearing, reheating and feed water heating (deaerator) is explained there after. Voice-over artist :https://www.fiverr.com/mikepaine
Can a thermal camera tell the difference? Thermal camera provided by FLIR Learn more at: http://www.flir.com/ #seetheheat Check out more awesome BuzzFeedBlue videos! http://bit.ly/YTbuzzfeedblue1 MUSIC Euphoria Generator Licensed via Warner Chappell Production Music Inc. SOURCES http://www.flir.com/thermography/americas/us/view/?id=55706 GET MORE BUZZFEED: www.buzzfeed.com www.buzzfeed.com/video www.youtube.com/buzzfeed www.youtube.com/buzzfeedvideo www.youtube.com/buzzfeedyellow www.youtube.com/buzzfeedpop www.youtube.com/buzzfeedblue www.youtube.com/buzzfeedviolet www.youtube.com/cnnbuzzfeed BUZZFEED BLUE Tasty short, fun, inspiring, funny, interesting videos from BuzzFeed. From incredible science facts to amazing how-to's and DIYs, BuzzFeed Blue will entertain, educate, spark conv...
In this episode, the Roswell Flight Test Crew demonstrates the capabilities and limitations of thermal imaging cameras through a series of simple experiments. These reveal that, contrary to depictions on film and television, thermal imaging cannot be used to see through walls. Indeed, even glass windows are opaque to thermal imaging. They also prove that metal containers reflect the thermal properties of their surroundings rather than the temperature of their contents, and that while thermal imaging sees clearly through smoke, it is not able to penetrate fog. The video also explains how thermal imaging addresses the infrared spectrum in much the same way conventional cameras and the human eye perceive the visible light spectrum.
Kill shots and some Slow Motion of wild boar hunting with thermal scopes in Georgia pecan orchards!
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