Locative Lab

researching locative media

Pull-string charger eliminates the plug-in leash


Charge your cellphone by pulling the string for one minute. Wow, you could do that on a desert island, in a flash mob, or anywhere if you left your cord at home. These are the details from silicon.com:

You can now use muscle power to charge your electronics. Easy Energy at CES 2010 showed off the YoGen hand charger, which is now available for $40. When you pull the string, it turns a mini flywheel that produces a steady stream of power – up to five watts – for small, portable devices. One minute of pulling is enough to charge a mobile phone, according to the company.

Easy Energy is adapting the same flywheel alternator technology for a pedal-powered laptop, called the YoGen MaxT, which is still under development.

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Cityscape LocativeLab.org is Ronald Lenz's research website on locative & mobile media. This is mostly an archive of blogposts I find inspiring and interesting and an overview of my work. I'm a strategist, technologist and researcher in the field of Location-Based Mobile Services and work at Waag Society, a medialab in Amsterdam, The Netherlands where I head the Locative Media research program and at 7scenes, a platform for GPS games and tours as creative director. Picture 4 Find me at Twitter, LinkedIn or via ronald [at] waag [dot] org.

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