Why hasn't gravity been solved for space flight

AI Thread Summary
The discussion centers on the challenges of manipulating gravity for space flight, emphasizing that gravity is solely an attractive force, unlike electromagnetism which has both attractive and repulsive charges. Participants note that without multiple types of gravitational "charges," it is nearly impossible to control gravity effectively. The use of particle accelerators is questioned, with the consensus being that they would not contribute to solving gravity-related issues in space flight. The conversation highlights the inherent limitations of gravity compared to other fundamental forces. Understanding these complexities is crucial for advancements in space exploration.
Nelli
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I am no smart person like the rest of you, but I find it fascinating about how physics works. I am deeply motivated to know about how we would solve this problem about gravity and space flight. Would a particle accelerator be used to help solve this problem or am I way off base?
 
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Nelli said:
I am no smart person like the rest of you, but I find it fascinating about how physics works. I am deeply motivated to know about how we would solve this problem about gravity and space flight. Would a particle accelerator be used to help solve this problem or am I way off base?

Welcome to Physics Forums! Your question isn't very clear. Could you describe the gravity problem you're referring to?
 
Nelli said:
Would a particle accelerator be used to help solve this problem
What way were you expecting that it could be used?
 
Nelli said:
I am deeply motivated to know about how we would solve this problem about gravity and space flight.

The problem is that gravity isn't repulsive, it's solely attractive. Without multiple types of "charges", like the EM force has, it is essentially impossible to manipulate gravity in any way except in the trivial manner of moving stuff around to increase or decrease gravity somewhere. But even that is severely limited by the extremely weak strength of gravity compared to the other fundamental forces.

Nelli said:
Would a particle accelerator be used to help solve this problem or am I way off base?

It would not.
 
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