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Anti-Gravity

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Alex_Clarke
28703.  Fri Oct 28, 2005 5:18 pm Reply with quote

I am whats known in many realms of knowledge as an idiot.. but this has been floating around in my head for a number of years.. As gravity is caused by the rotation of the earths core, which is iron.. I think.. surely if you create an object with an iron core spinning in the opposite direction it would cause it to repel and thus float as it nulls the effect of the gravity produced from the earth..

Yay, Nay? What?

 
Flash
28704.  Fri Oct 28, 2005 5:21 pm Reply with quote

Ingenious, except that gravity isn't caused by rotation, of the core or anything else. Keep 'em coming, though - we like your thinking.

 
Caradoc
28715.  Fri Oct 28, 2005 10:44 pm Reply with quote

Flash wrote:
Ingenious, except that gravity isn't caused by rotation, of the core or anything else. Keep 'em coming, though - we like your thinking.


But if you do position yourself the correct distance between the Earth & the Moon (the big one not the invisible ones) then their respective gravitational forces will cancel each other out, these places are known as Lagrange points.

http://www.physics.montana.edu/faculty/cornish/lagrange.html

 
Gray
28777.  Sat Oct 29, 2005 1:28 pm Reply with quote

Quote:
these places are known as Lagrange points
These are only one of the five Lagrangian points - places where a body can be relatively stationary compared to its parent body:

http://en.wikipedia.org/wiki/Lagrangian_point

 

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