No such thing-we are all just human and can only fly with aid of mechanical devices.
NASA used an F-8C for its Digital Fly-by-Wire Program-the first digital fly-by-wire aircraft to operate without a mechanical backup system.
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Only with mechanical help
Some do and have.
he invented the first mechanical calculator.
If you mean "the first plane that had a motor and propeller, and could fly" then it was the Wright Brothers. If you're not worried about the thing being able to fly, there were LOTS of guys who made propeller planes that couldn't fly.
There is no such thing as the 'rate of mechanical power', because power itself is a rate. There's also no such thing as 'mechanical' power as power is a rate, not something that is tangible.
A sheep, chicken, and a duck all at the same time
David Bushnell was the first mechanical engineer in the world.
It's the same thing. If you have a degree in Mechanical Engineering, you have a Bachelor of Science in Mechanical Engineering.
Well that is a shame, a fly is meant to fly so let the poor thing fly!