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A thermoelectric bracelet that helps people maintain a comfortable body temperature takes home $10,000 from MIT’s annual materials-science design competition.

Read: 'Cool' Invention Wins First Place at MADMEC

The team estimates that if the device stops one building from adjusting its temperature by even just 1 degree Celsius, it will save roughly 100 kilowatt-hours per month.

GeckoLight member Ritchie Chen demonstrates his team's lights that can stick to any surface as another entry for the MADMEC prize. GeckoLight won the second place prize of $6,000.
 
Photo: Franklin Hobbs
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