YoGen: Efficient Human-Powered Cell and Laptop Chargers
May 5th, 2009 | by Derek Markham
Our culture is rapidly becoming a mobile one, with virtually every other person carrying a cell or smartphone, plus maybe [&hellip
May 5th, 2009 | by Derek Markham
Our culture is rapidly becoming a mobile one, with virtually every other person carrying a cell or smartphone, plus maybe [&hellip