Can we have negative dimensions like negative time or negative Lenght &breadth like -10minutes or -10metres?

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  • Yes,

    In short if we can EVER travel faster than light, then curvature of space time will allow us to travel back in time, so -10minutes is possible with respect a fixed earth time which always moves forward.

  • Yes.

    there is a veeeeery lengthy explanation that you can look up or wait until university physics.

  • Might be in some other planets ….they follow different dimensions and calculations

  • If it’s ever possible, you can place a gigantic mirror on the moon.

    You can use a gigantic microscope to point at the mirror on the moon.

    It takes roughly 1,28 seconds for the light of the moon to reach Earth, so if I’m correct you might be able to see yourself 1,28 seconds ago.

    Tada!

    -1,28 seconds

    Source(s): Brain.

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  • Great question. Who knows what is possible?

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