Pilots rev up engines before takeoff, but why? The answer lies in a fascinating dance of air, fire, and spinning blades.

With their capability to fly higher, farther, and more efficiently, jet engines have transformed air travel since their introduction. From its origins in the 1930s, the jet engine was a substantial ...

It's still a jet engine that burns fuel but that's in a dedicated gas turbine that operates solely as a turbogenerator to create electricity at subsonic speeds. Since that's all it does, its ...