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› Forums › Geocaching in Wisconsin › General › Here is a device that will run your GPSr while on the trail
Here ya go. Now you can run your GPSr while hiking to that cache.
http://green.yahoo.com/news/ap/20080208/ap_on_sc/power_walking.html
Cool!
We have been harnessing “wasted” energy to power self-winding watches for over 50 years now, and they don’t weigh 3+ pounds. Thanks for the info. Tje gizmo is certainly interesting, anyway.
If they can get the weight of these down, we could strap a couple dozen onto a 10-year old and generate enough power to light a small home. 😆
@Trudy & the beast wrote:
We have been harnessing “wasted” energy to power self-winding watches for over 50 years now, and they don’t weigh 3+ pounds. Thanks for the info. Tje gizmo is certainly interesting, anyway.
If they can get the weight of these down, we could strap a couple dozen onto a 10-year old and generate enough power to light a small home. 😆
or city