The Wristify thermoelectric bracelet being put to the test at MIT's MADMEC (Photo: Franklin Hobbs)
Wristify uses a copper heatsink to heat or cool the skin on the wrist, which can affect the thermal comfort of the entire body
Most bracelets aren't likely to alter your temperature too much either way, but the Wristify isn't most bracelets. Developed by four MIT engineering students, the Wristify works on the principle that heating or cooling the skin on one part of the body can make the entire body feel warmer or colder. By creating a personal heating and cooling device, the Wristify team ultimately hopes to cut the amount of energy currently used to heat or cool entire buildings.
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