[–] mey 10y ago ↗ Energy Density https://en.wikipedia.org/wiki/Energy_density_Extended_Refere...Compare Spring power to Lithium-ion (typical in rechargeable electronics, watches, laptops, phones etc)
[–] mchahn 10y ago ↗ > several individuals and groups have developed methods for adapting self winding gear techAnyone know where I can find out about this?
[–] Isomatik 10y ago ↗ http://www.wired.com/2014/08/could-you-charge-a-smartwatch-b...This guy did some napkin calculations which show this kind of energy generation can barely keep up with the energy needs of a smart watch, let alone any kind of phone.
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[ 3.5 ms ] story [ 11.7 ms ] threadCompare Spring power to Lithium-ion (typical in rechargeable electronics, watches, laptops, phones etc)
Anyone know where I can find out about this?
This guy did some napkin calculations which show this kind of energy generation can barely keep up with the energy needs of a smart watch, let alone any kind of phone.