Joined: Feb 16, 2007 Posts: 3538 Location: New Orleans
Posted: Sat Nov 07, 2009 11:55 pm Post subject:
The group that was leading in the elevator races said they thought the real use was power transmissin where there were no wires.
There was also mention of Carbon nanotubes making up a cable. The weight of anything 25,000 miles long, climate, ice forming, storms, path for lightning, leaves lots of problems.
Joined: Aug 26, 2009 Age: 29 Posts: 461 Location: Piedmont Region, NC, USA
Posted: Mon Nov 09, 2009 2:59 pm Post subject:
Asmodeus wrote:
Coil guns are pretty awesome, although they're not the same as railguns, they're magnetic based guns.
Both are technically magnetic guns, they just go about the principle differently. Railguns use conductive rails that channels the current through the armature (think of it as the part of a slingshot that holds the shot until released), which is built into the shot itself, to propel the projectile. A coilgun (also called Gauss/Gaussian gun) uses pulsing electromagnetic field(s) to pull and accelerate the shot. Granted, a railgun is more about current driving the shot as opposed to a strict magnetic field. _________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe."
"We can't solve problems by using the same kind of thinking we used when we created them."
-Albert Einstein
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