I don't know about you guys, but if I had to carry an EXTRA piece it would be a spare battery, rather than this thingie. What this people wanted to do originally was to have a generator embedded INSIDE the phone. I showed them that it was physically impossible, due to the small size of today's devices, to generate enough mechanical power, so they moved towards these bulkier external chargers... It is a pretty common thing in clean tech: start with something compelling and impossible and then make a turn towards something possible but uninteresting...
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I don't know about you guys, but if I had to carry an EXTRA piece it would be a spare battery, rather than this thingie.
What this people wanted to do originally was to have a generator embedded INSIDE the phone. I showed them that it was physically impossible, due to the small size of today's devices, to generate enough mechanical power, so they moved towards these bulkier external chargers...
It is a pretty common thing in clean tech: start with something compelling and impossible and then make a turn towards something possible but uninteresting...