Helicopters are indispensable in many areas, from emergency rescue operations to security and transport missions. However, ...

A global team of researchers has demonstrated that active twisting of helicopter main rotor blades could help reduce noise ...

The mobility of helicopters is used in various fields regardless of military or civilian use, but due to the mechanism of breaking the air with a huge blade to generate lift, the noise becomes bigger ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Watch a helicopter fly, and the big spinning top rotor hogs the ...