April 26, 2010
Physicists have been considering the possibility that there are dimensions additional to those three. (How many is unknown.) Those extra dimensions clearly are not visible in everyday life, but would play a role on tiny scales.
At extremely close distances, the quantum level, the concept of dimension may break down. Additional dimensions could be curled up in rings or spheres; and the closer we zoom in, the more detail we see.
Photo by Astronomy: Roen Kelly
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