We may receive a commission on purchases made from links. Imagine having the power of the sun in the palm of your hand. In ...

This human powered cell phone charger is a great example. Using just a few ordinary around the house items, [The King of Random] turned a cordless electric drill into a human powered electrical ...

You can see above that he’s added photovoltaic solar cells to the back case of what looks like an old smart phone. He grabbed ... one used for this inductive charger hack.