It doesn't matter whether you can or cannot achieve high temperature superconductivity or fuel cells, they will always be on the list because if you could achieve them they would be extremely valuable.
“I was very good at sitting. But I just read so much research about how horrible sitting is for you. It's like, it's really bad. It's like Paula-Deen-glazed-bacon-doughnut bad. So I now move around as much as possible.”