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Science

(45,358 posts)

4. As crazy as this sounds, it still doesn't sound as crazy as a space elevator.

Mon Mar 12, 2012, 09:36 PM

Mar 2012

Of course building such a thing would be a major problem. There are no 12 mile high cranes.

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Startram - maglev train to low earth orbit [View all] bananas Mar 2012 OP

This is an interesting idea, but... johnd83 Mar 2012 #1

Right, that is why it makes sense on the moon. johnd83 Mar 2012 #3

What am I missing here quakerboy Mar 2012 #5

They plan on cooling 20km of superconducting cable how? Angleae Mar 2012 #6

Doc Brown's plutonium? tridim Mar 2012 #8

They intend on generating 1 million amps... ElboRuum Mar 2012 #12

Research continues apace on warm superconductors.. Fumesucker Mar 2012 #13

With superconductors the voltage drop is essentially zero caraher Mar 2012 #14

a small version for payloads might be practical Motown_Johnny Mar 2012 #10

"This new requirement begs the question..." ElboRuum Mar 2012 #11

Don't worry about it... Dead_Parrot Apr 2012 #18

Simple question regarding this concept: caraher Apr 2012 #16

OK, I found what I think is the answer... caraher Apr 2012 #17