Gallery: Hothead Technologies for Football Helmets

A helmet that protects your body

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A Hothead helmet contains a thermometer that measures a player's skin temperature every 10 seconds and transmits it to a PDA monitored by a trainer on the sidelines. This ensures that football players get off the field before heat stroke sets in, a problem that's killed 39 players since 1995.

HotHead Technologies for Football Helmets Image 2

The thermometer is inside the helmet, and measures skin temperature near the player's temporal artery.

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An alarm sounds if the player's temperature crosses 102.5 degree Fahrenheit to ensure that coaches get to the player before he reaches 104 degrees, the point where organ systems begin to fail and it becomes more difficult to revive the athlete.

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A picture of the sensor that sits inside the helmet, shown alongside a quarter to give an idea of how small it is. The sensor measures skin temperature and transmits it to a PDA.