| Charge Your Gadgets by Breathing! |
| Written by Hank Green | ||
| Monday, 05 November 2007 | ||
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Using some parts scavenged from an old CD-ROM drive, some dude at instructables has built a breath-powered USB charger. While he says that it's possible to get 1 W out of the device, he's only seeing 50 mW. Not so great, as it'd take about 24 hours of breathing to charge your cell phone. But let's be frank...you were planning on breathing anyway. More at Instructables
Comments
(5)
Interesting?
written by stands2reason , November 05, 2007
Smart Clothing
written by smwtcool , November 06, 2007
There's talk about smart clothing, you know the kind that has built in sensors or heating elements or stuff like that. Perhaps this would have an application there.
Wow.
written by trinah , November 06, 2007
If you were to go running and say, breathe faster than normal, would it charge quicker?
WOW me too.
written by celia , November 23, 2007
Or if you play a wind instrument? Or Swimming? Which begs the question, is it water-proof?
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Science, technology gadgets and...baby seals. We're in a bit of an eco-mess, but we've got the brains to lick any problem. And that's why EcoGeek.org publishes up to ten stories daily about innovations that are saving the planet.
And if that sounds interesting to you, then congratulations, you're an EcoGeek.
I'm willing to bet that everyone who reads this blog breathes. There's also a fairly good chance that you have a USB-powered gadget...I have about a dozen. So why waste all that energy expanding and contracting your rib cage when you could pump that energy straight into a gadget (or 
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A USB socket gives at least 500 mA * 5V = 2.5 Watts, and some dedicated chargers do more. Besides, if you want muscle power, why not use the arms? Although this could be useful for novelty applications (breath-powered flashlight?).