Ultimately, a sodium-air fuel cell could power a regional jet carrying 50 to 100 passengers on flights as long as 300 miles, ...

Supersonic commercial flights were once the fastest way to fly, but Concorde jets have been out of service for more than two ...

How to Make a Jet Propane Torch at Home Using DC Motor ...

A Swiss village with about 300 residents evacuated when part of a nearby mountain began to crumble. A glacier collapsed, ...