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Old 08-24-08, 10:35 AM   #28
UnderseaLcpl
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Quote:
Originally Posted by SUBMAN1
Gravity man. Gravity. Grey run on Gravity. Control gravity, not only could you turn 90 degrees on a dime, but you would also avoid crushing the occupants of said craft.

-S
I've always been a proponent of that type of propulsion for ftl. I once asked a physics professor what the speed of gravity was;

"9.8 meters per second"

"No, sir, that's acceleration due to gravity on Earth in a vacuum. What is the speed of gravity itself?"

"I don't take your meaning."

"If we have an earth-sized object in a pure vacuum, and instantly introduce another earth-size object 100,000 miles away, how long would it take for their gravitational pulls to effect each other?

"Well, instantly, I suppose"

"What makes you say that?"

"Last I checked, we were working on inertia, why can't you ever ask topical questions?"


Maybe I like the sound of gravitic propulsion because I don't understand gravity, which makes as good an excuse as any for a sci-fi propulsion source.
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