A crash course in changing the world.
When we create a new source of power we should not only think about creating energy but also put into account what else it can do.
I thought of a pen. With this special pen you can place two AA or AAA size rechargeable batteries inside the shaft so that when you write the motion of the ball at the tip will recharge the batteries.
I have not come across anything like this. Please let me know if you do.
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