Maybe, this teenager from Minsk, Belarus has a solution for this problem.
So, how does this work?
He said: With each rotation of your hand, the rotor speed increases significantly and generates more power.
The average speed of the rotor is 5,000rpm.
We translate the mechanical energy you put in into electrical energy and this means you might charge your equipment.
Mr Vaga said this is perfect for those are away for a long time from power source.
Source:Telegraph
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source: www.techworm.net
