The need to help spread democracy and the ability to do that will be much greater if we break this addiction to oil, which gives the oil princes and sultans the power in the Mideast. ↗
The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to minus 271.3*C - not much good for defrosting the pizza, let alone cooking it. ↗
I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming. ↗