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by FoxE

Last Post 172 days Ago


This whole idea of spreading the energy from one source out to as many things possible has always fascinated me. I suppose this goes back to the things I've learned as a child, like leaving your oven open after you've cooked something so the oven can be a heat source for the room as it cools down. 

But who would have thought the energy from walking could also be used to charge a cell phone?

I first read about this on BBC NewsThey say the adapted knee brace called Knee Dynamo can generate enough energy to power a mobile phone for 30 minutes from one minute of walking.



It looks real clunky now, but after some time with development, it could not be detected on your leg.  In the article, they mentioned the first to benefit could be amputees who are being fitted with increasingly sophisticated prosthetics. 

So, there's medical research behind it, I'm sure. But appealing to a mass market would be great.  Then
my Blackberry would never get a low battery now if I have my Knee Dynamos on.

Patrick O'Brien
myFOXstl.com
My blog
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Member Comments Total Comments: 2
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Stlouisgreen read my blog view my photos
Feb 19, 2008 | 8:00 AM

The law of conservation of energy states that you can not create or destroy energy but only transfer it from one state to another. So that being said. It makes sense that kinetic energy can be coverted to stored energy through rechargers attached to the leg. Great Idea I hope to see it become mainstream and affordable for all.
Technology put to the right uses can benefit us all. Great post!!!

stephan read my blog view my photos
Feb 19, 2008 | 8:19 AM

I love those subjects and this is great idea. Great blog post!
I do the open oven after baking also. Keep sharing these great ideas.

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