Charcoal is the dark grey residue consisting of impure carbon obtained by removing water and other volatile constituents from animal and vegetation substances. Charcoal is usually produced by slow pyrolysis, the heating of wood or other substances in the absence of oxygen (see pyrolysis, char and biochar). The resulting soft, brittle, lightweight, black, porous material resembles coal.
Historically, production of wood charcoal in districts where there is an abundance of wood dates back to a very ancient period, and generally consists of piling billets of wood on their ends so as to form a conical pile, openings being left at the bottom to admit air, with a central shaft to serve as a flue. The whole pile is covered with turf or moistened clay. The firing is begun at the bottom of the flue, and gradually spreads outwards and upwards. The success of the operation depends upon the rate of the combustion. Under average conditions, 100 parts of wood yield about 60 parts by volume, or 25 parts by weight, of charcoal; small scale production on the spot often yields only about 50%, large scale was efficient to about 90% even by the seventeenth century. The operation is so delicate that it was generally left to colliers (professional charcoal burners).
The massive production of charcoal (at its height employing hundreds of thousands, mainly in Alpine and neighbouring forests) was a major cause of deforestation, especially in Central Europe. In England, many woods were managed as coppices, which were cut and regrew cyclically, so that a steady supply of charcoal would be available (in principle) forever; complaints (as early as the Stuart period) about shortages may relate to the results of temporary over-exploitation or the impossibility of increasing production to match growing demand. The increasing scarcity of easily harvested wood was a major factor for the switch to the fossil fuel equivalents, mainly coal and brown coal for industrial use.
The modern process of carbonizing wood, either in small pieces or as sawdust in cast iron retorts, is extensively practiced where wood is scarce, and also for the recovery of valuable byproducts (wood spirit, pyroligneous acid, wood tar), which the process permits. The question of the temperature of the carbonization is important; according to J. Percy, wood becomes brown at 220 °C, a deep brown-black after some time at 280 °C, and an easily powdered mass at 310 °C. Charcoal made at 300° is brown, soft and friable, and readily inflames at 380 °C; made at higher temperatures it is hard and brittle, and does not fire until heated to about 700 °C.
In Finland and Scandinavia, the charcoal was considered the by-product of wood tar production. The best tar came from pine, thus pinewoods were cut down for tar pyrolysis. The residual charcoal was widely used as substitute for metallurgical coke in blast furnaces for smelting. Tar production led to rapid deforestation: it has been estimated all Finnish forests are younger than 300 years. The end of tar production in the end of the 19th century meant also rapid re-forestation.
The charcoal briquette was first invented and patented by Ellsworth B. A. Zwoyer of Pennsylvania in 1897 and was produced by the Zwoyer Fuel Company. The process was further popularized by Henry Ford, who used wood and sawdust byproducts from automobile fabrication as a feedstock. Ford Charcoal went on to become the Kingsford Company.
Commercial charcoal is found in either lump, briquette, or extruded forms:
The characteristics of charcoal products (lump, briquette, or extruded forms) vary widely from product to product. Thus it is a common misconception to stereotype any kind of charcoal, saying which burns hotter, etc.
An application of wood charcoal was as a constituent of gunpowder. It was also used in metallurgical operations as a reducing agent, but its application has been diminished over the years by the introduction of coke, anthracite smalls, etc. However following Brazilian law changes in 2010, the use of charcoal is now increasing in the production of pig iron and steel to reduce carbon emissions after President Lula da Silva's commitment to make a "green steel". Charcoal may be used to smelt a variety of metals such as copper and iron as it burns at the necessary temperature: and acts as a reducing agent. A limited quantity is made up into the form of drawing crayons; but the greatest amount is used as a fuel, which burns hotter and cleaner than wood. Charcoal is often used by blacksmiths, for cooking, and for other industrial applications.
In many non-industrialized countries, charcoal is used for everyday cooking by a large portion of the population. This is a serious health problem when used indoors. Amy Smith reports that acute respiratory infection from indoor cooking fires is the number one cause of death in children under 5 in the third world. This represents nearly 2 million deaths per year. In addition, carbon monoxide (CO) is a combustion product. It also contributes to outside air pollution.
Charcoal may be activated to increase its effectiveness as a filter. Activated charcoal readily adsorbs a wide range of organic compounds dissolved or suspended in gases and liquids. In certain industrial processes, such as the purification of sucrose from cane sugar, impurities cause an undesirable color, which can be removed with activated charcoal. It is also used to absorb odors and toxins in gases, such as air. Charcoal filters are also used in some types of gas masks. The medical use of activated charcoal is mainly the adsorption of poisons, especially in the case of suicide attempts in which the patient has ingested a large amount of a drug. Activated charcoal is available without a prescription, so it is used for a variety of health-related applications. For example, it is often used to reduce discomfort (and embarrassment) due to excessive gas in the digestive tract.
Animal charcoal or bone black is the carbonaceous residue obtained by the dry distillation of bones. It contains only about 10% carbon, the remainder being calcium and magnesium phosphates (80%) and other inorganic material originally present in the bones. It is generally manufactured from the residues obtained in the glue and gelatin industries. Its decolorizing power was applied in 1812 by Derosne to the clarification of the syrups obtained in sugar refining; but its use in this direction has now greatly diminished, owing to the introduction of more active and easily managed reagents. It is still used to some extent in laboratory practice. The decolorizing power is not permanent, becoming lost after using for some time; it may be revived, however, by washing and reheating. Wood charcoal also to some extent removes coloring material from solutions, but animal charcoal is generally more effective.
Charcoal is used in art for drawing, making rough sketches in painting and is one of the possible media for making a parsemage. It must usually be preserved by the application of a fixative. Artists generally utilize charcoal in three forms: Vine charcoal is created by burning sticks of wood (usually willow or linden/Tilia) into soft, medium, and hard consistencies.
Red colobus monkeys in Africa have been observed eating charcoal for the purposes of self-medication. Their leafy diets contain high levels of cyanide, which may lead to indigestion. So they learned to consume charcoal, which absorbs the cyanide and relieves indigestion. This knowledge about supplementing their diet is transmitted from mother to infant.
Also, see Activated charcoal, medicinal applications.
Category:Art materials Category:Fuels Category:Carbon forms Category:Soil improvers Category:Barbeque Category:Pyrotechnic fuels Category:Biofuels Category:Solid fuels
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Name | Megan Fox |
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Caption | Megan Fox at the George V hotel in Paris, for a promotion of , June 12, 2009 |
Alt | Megan Fox looking over her shoulder. |
Birthname | Megan Denise Fox |
Birth date | May 16, 1986 |
Birth place | Oak Ridge, Tennessee, U.S. |
Occupation | Actress, model |
Yearsactive | 2001–present |
Spouse | Brian Austin Green (m. 2010–present) |
Fox is considered a sex symbol and frequently appears in men's magazine "Hot" lists. She was listed #18, #16, #2, and #5 on Maxim magazine's yearly Hot 100 list in 2007, 2008, 2009, and 2010 respectively, while FHM readers voted her the "Sexiest Woman in the World" in 2008. She ranked number one on Moviefone's "The 25 Hottest Actors Under 25" in 2008. In 2004, Fox began dating Brian Austin Green, of Beverly Hills, 90210 fame, after reportedly having met on the set of Hope & Faith. They were involved in an on-again, off-again relationship, before finally marrying in June 2010.
Fox reprised her role as Mikaela Banes in the Transformer sequel, . There was some controversy surrounding Fox's appearance while filming the sequel of Transformers when Michael Bay, the movie's director, ordered the actress to gain 10 pounds. Transformers: Revenge of the Fallen premiered on June 8, 2009 in Tokyo, Japan. The movie was released worldwide on June 24, 2009. Fox had her first lead role playing the title character in Jennifer's Body, written by Academy Award-winning screenwriter Diablo Cody. She played Jennifer Check, a mean-girl cheerleader possessed by a demon who begins to feed off the boys in a Minnesota farming town. The film was released on September 18, 2009, and co-stars Amanda Seyfried and Adam Brody.
co-stars Josh Brolin and Michael Fassbender at the 2009 San Diego Comic Con on July 28, 2009, promoting the film.]] In April 2009, Fox began filming Jonah Hex, in which she portrayed Leila, a gun-wielding beauty and Jonah Hex's (Josh Brolin) love interest. The film was released on June 18, 2010 and co-starred Will Arnett; Fox has described her role in the film as being a cameo. In early April, 2009 Fox signed on to star as the lead female role in the upcoming 2011 film The Crossing, about a young couple who get caught up in a drug trafficking scheme during their vacation to Mexico. In March 2009, Variety reported that Fox was set to star as the lead role of Aspen Matthews in the film adaption of the comic books Fathom which she will also co-produce with Brian Austin Green. Fathom is currently in pre-production. Fox will not reprise her role as Mikaela Banes in . Fox appeared with Dominic Monaghan in the music video for Eminem and Rihanna's single "Love the Way You Lie".
Fox said of being a popular media topic that, though she is not on the same level as Jennifer Aniston, Britney Spears, or Lindsay Lohan, she does find it difficult and that there have been times when people have avoided being around her because they do not want to end up in the media's spotlight. "I need to behave in a way and handle myself in a way that will cause people to take me seriously," she said, "[and] you can be sexy and be intelligent and be taken seriously, or you can be sexy and you can be out at clubs every night and not be [taken seriously]" but that she has not gone "completely insane". in 2008, the list had grown to include Cosmo Girl, Paw Print, Jack (ITALY), FHM (UK), and GQ. In 2009, the list includes, USA Weekend, Esquire, Empire, Maxim, GQ (UK), Entertainment Weekly and ELLE. AOL's man-blog Asylum dubbed August 4, 2009 "A Day Without Megan Fox" with the promise that the site would not mention or feature her on this day; they asked other men's sites to copy this stance, and several (such as AskMen.com, Just a Guy Thing, and Banned in Hollywood) complied. "Listen, we love Megan," Eric Rogell of TheBachelorGuy.com told New York Daily News. "She's responsible for driving more eyeballs to our sites — just by getting photographed walking down the street in a white T-shirt — than any other celeb alive. [But] it's time to give another young actress a shot at the attention." and Coedmagazine calling the boycott a "publicity stunt" and "hypocritical", saying that they were the home of "The Megan Fox Boycott Boycott". The British newspaper The Sun declared August 4 to be "Megan Fox Day", saying that "She deserves a day dedicated to her". In response to the boycott, Fox told magazine Nylon, in a September 2009 interview, that "the media blitz" for Transformers resulted in an over-extension of her welcome in the media. "I was part of a movie that [the studio] wanted to make sure would make $700 million, so they oversaturated the media with their stars," she said. "I don’t want to have people get completely sick of me before I’ve ever even done something legitimate."
Fox has often been compared to actress Angelina Jolie, with the media dubbing her as the "next Angelina Jolie". Fox has been compared to Jolie because they each have a "tattoo collection", and status as a "built in sex-symbol". Fox commented that the comparisons indicate a lack of creativity on the part of the media, and are simply due to the dark hair and tattoos that she and Jolie have, and that both have been in action movies. There were several unconfirmed rumors that Fox was to replace Jolie in the next Lara Croft film. Fox also said of the comparisons that: "I am a brunette with tattoos, I curse and I have made mention of sex before. I joked about it which people find outrageous so they want to constantly compare that to her." Fox remarked, "I'm sure she has no idea who I am. But if I were her, I'd be like, 'Who the fuck is this little bullshit brat who was in Transformers that's going to be the next me?' I don't want to meet her. I'd be embarrassed."
Fox has eight known tattoos, including her husband's name "Brian" on her lower hip, a picture of Marilyn Monroe's face on her right forearm, and a crescent moon overlapping a five-pointed star above her right ankle. This tattoo is the only known colored tattoo that Fox has.
In 2009, Fox was targeted by a group of fashion-motivated criminals known as "The Bling Ring", who robbed Green's home because she was living with him.
in September, 2009.]] Fox is good friends with Jennifer Blanc, Kellan Rhude, Jennifer's Body co-star Amanda Seyfried, Michael Biehn and Transformers co-star Shia LaBeouf. She is a fan of comic books, anime, and video games. Fox's favorite artist is Michael Turner whose Fathom comic she describes as a longtime obsession. Fox has two dogs, including a Pomeranian named after Sex Pistols bassist Sid Vicious.
In September 2008, Fox alluded to being bisexual; in an interview with GQ magazine, she said that when she was 18 years old she fell in love with and sought to establish a relationship with a female stripper. She used this experience to illustrate her belief that "all humans are born with the ability to be attracted to both sexes" and additionally showed interest in Olivia Wilde. In May 2009, she confirmed her bisexuality. In the June 2009 issue of ELLE, however, she stated that she somewhat distorted the events of her relationship with the stripper, saying she has given certain male writers "an amped-up version" of her past. "They’re boys; they’re easily toyed with," she said. "I tell stories and have them eating out of my hand. Not all of it is true. In fact, most of it is bullshit." Fox said, "I never said she was my girlfriend! I just said that I loved her, and I did love her. The real story is more sobering. It’s not a sexy, fun-time, fantasy story. But that’s not the story you tell GQ." and has additionally been open about her insecurities and self-harming, acknowledging that she has low self-esteem:
...I don't want to elaborate. I would never call myself a cutter. Girls go through different phases when they're growing up, when they're miserable and do different things, whether it's an eating disorder or they dabble in cutting. I'm really insecure about everything. I see what I look like, but there are things that I like and things that I dislike. My hair is good. The color of my eyes is good, obviously. I'm too short. But overall, I'm not super excited about the whole thing. I never think I'm worthy of anything... I have a sick feeling of being mocked all the time. I have a lot of self-loathing. Self-loathing doesn't keep me from being happy. But that doesn't mean I don't struggle. I am very vulnerable. But I can be aggressive, hurtful, domineering and selfish, too. I'm emotionally unpredictable and all over the place. I'm a control freak.
Fox has a fear of flying; she said she developed this about the time she turned 20. She has had to come up with ways to deal with it in order to avoid having panic attacks when getting onto a plane, most notably by listening to Britney Spears songs. In addition, she has expressed a distrust of "all boys-slash-men" in general, as well as women in the industry. "I just don’t like them or trust them," stated Fox of her usual feeling toward males.
{| class="wikitable sortable" |+ Television |- ! Year ! Title ! Role ! class="unsortable" | Notes |- | 2002–2003 | Ocean Ave. | Ione Starr | Lead role |- | 2003 | What I Like About You | Shannon | "Like a Virgin (Kinda)" (Season 2, Episode 5) |- | 2004 | Two and a Half Men | Prudence | "Camel Filters and Pheromones" (Season 1, Episode 12) |- | 2004 | The Help | Cassandra Ridgeway | "Pilot" (Season 1, Episode 1)"Ollie Shares" (Season 1, Episode 2)"Dwyane Gets a Cold" (Season 1, Episode 5) |- | 2004–2006 | Hope & Faith | Sydney Shanowski | Recurring role |}
Category:1986 births Category:21st-century actors Category:Actors from Florida Category:Actors from Tennessee Category:American child actors Category:American female models Category:American film actors Category:American television actors Category:American people of Irish descent Category:American people of French descent Category:American people of Native American descent Category:Bisexual actors Category:LGBT people from the United States Category:Living people Category:Native American actors Category:People from Oak Ridge, Tennessee
This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Name | Charcoal Filter |
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Background | group_or_band |
Origin | Tokyo, Japan |
Genre | Rock, pop |
Years active | 1996 - 2007 |
Label | Powerpop Records.com (1999 - 2000) Columbia Music Entertainment (2001 - 2003) Warner Music Japan (2003 - 2004) Nippon Crown (2006 - 2007) |
Url | Official Website |
Current members | Takahiro Konagawa, Yuzo Otsuka, Yuki Yasui, Shintaro Takano |
, also known as Charcofil or to their fans, is a Japanese male rock band. Its members are Takahiro Konagawa, Yuzo Otsuka, Yuki Yasui, and Shintaro Takano. They met each other and formed Charcoal Filter in their high school days. After graduation from high school, they came out with the song "I start again" in 1999. They are known for creating the song "Tightrope", used as the ending theme of the anime series Gensōmaden Saiyūki, back in 2000. From 2002 to 2004 they were produced by Seiji Kameda. They disbanded in 2007.
In 1995 Konagawa, Yasui and Takano formed a band. The next year they incorporated Otsuka as a vocalist, and named the band Charcoal Filter. At first they played Green Day’s songs, which they like, and then they began to play their own songs composed by themselves.
In early 1999 they recorded several songs in New York for debut. In September of the same year the indie album Gimme a light was released. Two months later they came out with the debut single I start again. The next year they created the song Tightrope, used as the ending theme of the anime series Gensōmaden Saiyūki.
The year 2002 the turning point in their career came. The eighth single Brand-New Myself ~Boku ni Dekiru Koto was a hit. Following this single, the album MADE IN Hi-High took the sixth place in weekly Oricon chart, as obtained them a reputation.
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Private Web Sites BURNING
This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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