The box, also known as a hot box or sweatbox, is a method of solitary confinement used in humid and arid regions as a method of punishment. Anyone placed in one would experience extreme heat, dehydration, heat exhaustion, even death, depending on when and how long one was kept in the box. Another variation of this punishment is known as sweating: the use of a heated room to punish or coerce a person into cooperating with the torturers.
- The technique was used by prisons in the Southern United States until later in the 19th century.
- The technique, then known as the "sweat box", was used in the Union Army during the American Civil War.
- The North Vietnamese Army used the technique at the infamous Hanoi Hilton.
- It has been reported that the Chinese government has used "extreme heat" and "sweating" against dissidents.
- Use of a "sweatbox" has also been reported as a method of punishment in North Korean Concentration Camps, notably in Kang Chol-Hwan's book The Aquariums of Pyongyang.
- In 2008, it was revealed that the U.S. military was detaining Iraqi prisoners in wooden crates, arousing concern of their use as hotboxes.
- The Tarrafal camp, in Cape Verde, used a small windowless shack as a form of torture against prisoners, most of them convicted of conspiring against Salazar's regime in Portugal.
Hot box torture has been portrayed in numerous films and television shows, including Leadbelly, Life Is Beautiful, Cool Hand Luke, Stir Crazy, Take the Money and Run, Carbine Williams, The Longest Yard and its 2005 remake, Seven Days, The Bridge on the River Kwai, Von Ryan's Express, Prison Break, The X-Files, Firefly, Sullivan's Travels, My Name is Earl, The A-Team, Farscape, Burn Notice, Batman: The Animated Series, Bates Motel, Star Trek: Deep Space Nine, Django Unchained and Escape Plan. A parody of hot box torture was portrayed by a sandbox in Toy Story 3. Box torture was also used on Josh Groban in Muppets Most Wanted.
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- Reed, John D. Billings ; illustrated by Charles W. (1981). Hardtack and coffee, or, The unwritten story of Army life. [Alexandria, Va.]: Time-Life Bks. p. 146. ISBN 0-8094-4210-8.
- Moe, Tom. "Pure Torture" Archived December 22, 2005, at the Wayback Machine. (PDF version). Notre Dame Magazine, Winter 1995–96. Via the Internet Archive. Accessed 10 June 2009.
- Torture in Detention Centres and Labour Camps Archived March 27, 2006, at the Wayback Machine.. "China in Tibet - Striking Hard Against Human Rights", 1997 Annual Report, Human Rights Violations In Tibet. Tibetan Centre For Human Rights And Democracy, February 4, 1998. Accessed 10 June 2009.
- Starr, Barbara. "U.S. segregates violent Iraqi prisoners in crates". CNN, August 7, 2008. Accessed 10 June 2009.