Watch Modern Marvels online: Episode 21 Torture Devices

For more than 3,000 years, emperors and generals, dictators and police, criminals, clerics, and even medical doctors have created and used a vast array of torture devices--everything from the ancient Greeks' Brazen Bull, which slowly barbecued the victim, to the elaborate mechanical apparatuses of the Spanish Inquisition. A medical doctor who specializes in victims of torture reveals how the human body responds to their use--from the earliest excruciating contrivances to the more modern.

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