Transatlantic TrainLondon to New York - under the sea - 5000km long - 8000kmph - 54minutes
It takes 18minutes to accelerate to top speed, a person would feel little effect.
The tunnel is a vacuum so there's no air resistance.
The train hovers and moves by electromagnetism so there's no friction.
It can carry 1000people at a time, will cost the world hundreds of billions of dollars to build and take almost 20 years!
Ooo!
Check it out in detail on the Discovery Channel website
(Picture taken by me from the Rockafeller Centre, Sept 07)
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