Bracelets regulate body temperature

A group of American students recently created a bracelet that can increase or decrease the body temperature as desired.

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The bracelet was made by a Massachusetts Institute of Technology student group called Wristify. Equipped with a lithium polymer battery, the Wristify bracelet has an operating time of up to 8 hours and a variable body temperature of 0.4 degrees Celsius per second.

Wristify wrist watches can monitor the air temperature and human skin, then shoot heat waves into the wrist to cool or warm the user according to need. The prototype bracelet is a bronze heat sink with an automatic control system that manages the intensity and duration of the heat pulse. A thermometer is also included to measure the ambient temperature and body temperature for proper adjustment.

Wristify wristbands are used effectively in practice. (Photo: Mit.edu)

With the desire to save energy in regulating the temperature in high-rise buildings today, the idea is to control the body temperature effectively in each individual. The team estimates that if a Wristify bracelet is used in a building that adjusts to a 1 degree Celsius temperature range, it will save about 100kWh per month.

"Our wristbands can promote human sensitivities and maintain the body temperature while reducing the need for energy," said MIT News quoted Sam Shames, student in the study group, said.

During the study, the student group found that human skin was very sensitive, and rapid changes in temperature would affect the whole body. After 15 attempts, the team has released a final product designed to be a wristwatch that is capable of adjusting the temperature.

The invention has helped the student group win a $ 10,000 prize from the Massachusetts Institute of Technology's Material Design Competition. With this bonus, the team intends to continue the prototype, using advanced algorithms to better automate thermal pulses before putting and using in practice.