The concept is simple: take a yoyo, and place a small lithium-ion battery that juices up whenever you play with the yoyo. Add a USB power port, and you’ve got yourself a portable charger! Questions remain about the viability of the “iYo”, especially how many yoyo play sessions it would take to fully charge the battery. And, why the iPhone focus? Does the concept designer realize that the iPhone isn’t the only gadget out there?!? (dvice.com)

Post from: The Gadget Blog