Peltier modules, or thermoelectric modules, are thermal control devices that provide both heating and cooling effects, maintaining the surface temperature at a set target. These modules are ...

So something like this heat-powered stove-top fan can come in handy. Such fans, which use Peltier devices to power a small electric motor, are readily available commercially. [bongodrummer ...

The small Peltier “solid-state heat pump” module in the lantern acts as a thermoelectric generator, converting heat from the candle into electricity for the LEDs. The genius of the device is ...