Environment & Energy

Yes magnets still exist and they still have a use, but induction motors and generators are more controllable and powerful than perm magnet ones. Plus magnets need to be refined from minerals that need to be mined, and those minerals have other uses. Including batteries, the nickel and cobalt have better uses.

The problem with solar is it gets dark out side half the day. Wind is good if your in an area that has lots of wind, and lots of land that nobody cares about. And yes the long term maintance of wind turbines is huge, and the end of life problems are even bigger.

Nuke power is really the answer, but first we need to leave the treaty that says we can not use the nuke waste to power reactors. It can be done and it burns up a lot more of the waste.