Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components.

Engineers have built a modern Stirling engine that quietly turns the cold of outer space into steady mechanical power, using ...

What if you could draw energy from the night sky without effort? That's the question that researchers at the University of ...

Researchers have created a device that generates mechanical power at night by harnessing the natural temperature difference between warm ground and the cold of outer space. Engineers at the, Davis, ha ...

The engine is capable of producing hundreds of milliwatts per square meter, and scientists are already working on practical ...

For the hot end, an aluminium mount was pressed into soil, transferring the Earth’s ambient heat to the engine’s bottom plate ...

E-bikes and motorcycles are great, but what if there were another way to get moving? What if there were a motor that didn't require the combustion of Odin's juice to get moving? Well, there are plenty ...