A human tightrope walker is able to walk the rope only in one dimension, forward or backward. But an ant can access an ...

Disorder, exotic shapes and great uncertainty: while mathematicians understand phenomena in low and high dimensions very well, the 4D world raises many questions ...

Or is it that our brains are simply incapable of imagining additional dimensions—dimensions that may turn out to be as real ...

Nima Arkani-Hamed is searching exotic places for clues to questions about our universe’s construction and the gravitational glue that holds it together. Arkani-Hamed, a theoretical physicist who was ...

In a hypertorus model of the Universe, motion in a straight line will return you to your original location, even in an uncurved (flat) spacetime. The Universe could also be closed and positively ...