Accelerate the World's Transition to Sustainable Energy - to fight Anthropogenic Climate Change, page-32433

Magnetic like poles repulse.
Maglev has been a dream since my boy days reading comics.
Great to see the Chinese may have developed something that may work.
Not sure about the electromagnetic power requirements.
A 1000km long vacuum tube sounds awesome - is it practicable?
4000kph will break the sound barrier many times over - maybe not in a vacuum?

One of your more positive and interesting posts @pintohoo