149 What is Trump talking about here with the magnets? (twitter.com) 🫡 THE GREAT AWAKENING 🔆 posted 1 year ago by lsdQ 1 year ago by lsdQ +151 / -2 101 comments share 101 comments share save hide report block hide replies
I thought about reverse polarity magnets instead of wheels on a roller coaster when I was a kid. Thought it would hover on the track.
Yes. That is what magnetic levitation ("maglev") systems do. You can achieve the effect either from electromagnets or permanent magnets. The Chinese are running trains based on this principle.
I coulda been rich!!!! Stupid 10 year old.