Could we manipulate gravity? © Getty Images

Could we manipulate gravity?

Manipulating gravity isn’t the challenge, it’s how it could be used.

Asked by: Samuel Chaabane, Brighton and Hove

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Gravity is easy to manipulate: it’s just a matter of moving masses around. The challenge lies in achieving anything useful by doing it, as gravity is incredibly feeble. Even so, NASA has succeeded many times, by waiting until planets are in specific locations before launching probes, and using the gravity of the planets to hurl the probes to precise locations.


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