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Warm heart / 1.02 Sports / Leisure

Warm heart
Warm heart

In the evening,feet become cold easily,especially in the
elderly.“Warm heart”is a pair of shoes can heat during the day when you walk on the soles or put pressure on the kinetic energy produced by the sun according to the sun to generate heat , can be converted into electrical energy stored up,you put it on the night , the stored energy is converted to heat, warm your feet.

University

Central South University

Central South University
Hunan, China

Minling Peng,
Central South University