Today I am so happy and grateful that my body can heal when it is injured, otherwise every injury that I every had would leave a permanent mark.
I was wondering earlier how we would store power that was generated by renewable sources when we generate more then we need. Two solutions came to my head, one is to use weights to pull down on a pulley connected to gears with a high turn ratio, the weight would be lifted up when excess power is generated and released when the power supply is low a bit like in an old grand father clock, instead of turning a clock hands it turns a dynamo. The other idea is to fill a cylinder with compressed gas when power is high and push it through a cylinder engine when the power is low.