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Wearable thermoelectric technology uses thin films to generate electricity from body heat

Seoul National University College of Engineering has announced that a research team led by Prof. Jeonghun Kwak of the Department of Electrical and Computer Engineering, with co-first authors Dr.

Generators are expensive. But is spending even more on an inverter model a better investment?

The answer is maybe. Here's how to find out if your power needs make it worth it.