Let’s drop a cliché. The Yo-Yo is a toy for children. If you assist one day at the World Yo-Yo Contest, you would know how much adults love this little bouncing disk.
But let’s drop another cliché. The Yo-Yo isn’t that simple. Check the ReGen Yo-Yo. It was designed to act as multimedia player, with a LCD display screen, Bluetooth headphones, and every whistle a top-notch player deserves. But the trick idea is that it can’t recharge manually, on the go, simply by yoyoing.
Here’s how it works: Fresh out of your hand, a dropped yo-yo has potential (or stored) energy. As the yo-yo falls, some of that potential energy turns into rotational kinetic energy, which whirls the Yo-Yo. As the disc nears the bottom of the string, it has converted all its potential energy into kinetic energy.
Ten to twelve throws would provide enough power for one hour, claims the ReGen team, who won the Core77 Human Power challenge (via ecogeek).
boris – September 27, 2006
Um, and how does one go about buying one?
Tut – September 27, 2006
It’s a project, Boris. No sure that besides the eventual prototype, you would ever find it somewhere. But it’s temporary, until they hook up with an industrial willing to spread this new kind of MP3 player.
panty – November 9, 2006
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