Using usual movement to charge batteries

Everybody knows those gadgets you put in your belt which make use of you movements while walking to tell you the distance you have walked. Everybody also knows watches who take your movement energy to work.

Why not making a gadget to charge batteries, mobile phones, PDAs, just by using your movements while walking?
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4 comentarios

  • smithdelabarca
    22 de noviembre 15:37

    Now, that is a good idea! I wonder if this gadget hasn't been invented yet... I will investigate and let you know. =)

  • nikita
    22 de noviembre 15:34

    Good idea!

  • paula
    13 de mayo 19:17

    That's a good idea, although I think people like you could never charge them... I mean, you don't walk a lot because you are always working or crushing cars :P

    (just joking, don't take it the wrong way!)

  • echeva
    07 de mayo 01:21

    Here I've found a similar though more elaborated idea:

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