Leonardo da Vinci’s inventions - Aerial screw (around 1489)

Leonardo da Vinci’s inventions - Aerial screw (around 1489)

The polymath thought that if a screw-like structure can rotate fast enough, it will 'drill' into the air and fly.

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Aerial screw (around 1489)

One of the most interesting of Leonardo's sketches is the plan of an aerial screw. His plan was to build a structure that rises up in the air when it rotates. He studied the air and stated that it was compressible, therefore it had density; thus if a screw-like structure can rotate fast enough, it will 'drill' into the air and fly.

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