A helicopter is a very special aircraft. It can hover in the air, fly backward, and even move sideways. But how was the helicopter invented?

People tend to think that a helicopter drops from the sky like a stone when the engine fails. But that is not the case.

Treasures From The Pioneer Era, reported by Ernie Tanner: Helicopters are basically very safe aircraft. I can affirm that from my vast...

I was waiting for help at the abandoned airfield for the second day already. Around noon, I suddenly heard an engine noise in the...