Now the maker of the experimental personal aviation craft, the European start-up e-volo, is back with a revised "volocopter" ...

All helicopters are powered by a turboshaft engine, which is a type of jet engine, but it's different from those found in ...

Researchers have developed a real-time imaging system that can capture images of fast-spinning objects over long durations.

A groundbreaking new technology is allowing scientists to see inside spinning engines and tools with remarkable clarity, even ...

Safety standards require protecting the operator from the spinning blade in the event the saw kicks back. So guards don’t normally retract to where the operator can cut with the top of the blade.