Floating on air

You know the sounds trains make as they chug along the tracks, their wheels squealing and clanging against metal. Now, picture this — a train that has no wheels, floats above the track, and moves at lightning speed. It sounds like something from a futuristic sci-fi movie, doesn't it? Welcome to the world of maglev trains. This smart technology is already in place in three countries — China, Japan and South Korea.

But what are maglev trains? How do they move without even touching the tracks? Watch this video to find out.

Video: Canva