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Superconducting levitating model trains

Superconducting levitating model trains

(4:33) Is this the future of rail? Liquid nitrogen powered, superconducting, levitating trains trapped in a friction-free magnetic field. Science fiction and reality are drawing ever closer.

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Guest: (2614 days ago)
How do you stop then?
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How do you stop then?
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Caladon Caladon (2609 days ago)
These things called brakes. A wheel on a boom would only need to push against the "track".
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These things called brakes. A wheel on a boom would only need to push against the "track".
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Guest: Richard (2608 days ago)
Latest comment: The main advantage of maglev is stability, not drag reduction. For a high-speed train, drag from air outweighs that from the track.
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Latest comment: The main advantage of maglev is stability, not drag reduction. For a high-speed train, drag from air outweighs that from the track.
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Guest: (2614 days ago)
Very cool. Geddit? Liquid nitrogen? Cool? Oh, please yourselves.
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Very cool. Geddit? Liquid nitrogen? Cool? Oh, please yourselves.
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Guest: gulliver (2615 days ago)
if this reaches the main line railway, they will have to employ very big people with big spoons to pour the correct amount of juice back into the engine!
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if this reaches the main line railway, they will have to employ very big people with big spoons to pour the correct amount of juice back into the engine!
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Humpty Humpty (2614 days ago)
I hate (as if) to pop bubbles, but the energy used to cool the N2 that's needed to cool the superconductors is actually far greater than the energy that would have been used to propel the train via conventional means. Levitation is far from free.
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I hate (as if) to pop bubbles, but the energy used to cool the N2 that's needed to cool the superconductors is actually far greater than the energy that would have been used to propel the train via conventional means. Levitation is far from free.
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Guest: Argle (2608 days ago)
The goal is to find super-conductors that operate at room temperature (or nearly so). The problem currently is that nobody is quite sure how these N2 SCs work and that hampers progress.
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The goal is to find super-conductors that operate at room temperature (or nearly so). The problem currently is that nobody is quite sure how these N2 SCs work and that hampers progress.
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Guest: Fartpants (2614 days ago)
Hardly cutting edge science.
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Hardly cutting edge science.
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