A team of researchers including Princeton computer scientists has developed a new tool that simplifies the process of animating still images, such as this diagram of an external combustion engine.

A Stirling engine is an external combustion engine that runs on the expansion and contraction of gas within a sealed system. In this video, we break down how it works, from heating and cooling cycles ...

The steam engine is an external combustion engine. Its development goes back as far as the first century, however, the development of the first piston steam engine didn’t occur until 1690. Invention ...

The quest for alternative fuel sources has captivated the automotive industry, and Toyota's recent patent for a water-cooled hydrogen combustion engine throws open a new chapter in this dynamic ...