I once wondered the same thing, and I stopped very soon as I considered something as simple as a 60W light bulb. 60W is 60J per second. 60J is about the energ

I once wondered the same thing, and I stopped very soon as I considered something as simple as a 60W light bulb. 60W is 60J per second. 60J is about the energy it takes to weigh 6kg up one meter. So basically to keep a 60W light bulb lit, you'd have to raise 6kg one meter high every single second. No way.