Found this via Thingiverse.com
The site has instructions for making it if you are interested. I think I might make one.
Things - Adam Mayer Digitally Designed Geared Business Cards from Bre Pettis on Vimeo.
Implantable Battery Charges Itself
-
Battery technology is the major limiting factor for the large-scale
adoption of electric vehicles and grid-level energy storage. Marginal
improvements hav...
2 hours ago