Reversible fabric for heating and cooling lowers the cost of indoor climate control and reduces CO2 emissions.
![Thermal management material a step towards zero-energy heating and cooling](https://www.advancedsciencenews.com/wp-content/uploads/2023/07/air-con2.jpg)
Reversible fabric for heating and cooling lowers the cost of indoor climate control and reduces CO2 emissions.
A battery-free wearable device wirelessly monitors health using body heat for continuous power.