A new underground facility called DUNE, which will accelerate particles for 800 miles between Illinois and South Dakota, ...

The idea, later refined by the Swedish mathematician Oskar Klein, was that space consisted of both extended and curled-up dimensions. The extended dimensions are the three spatial dimensions that ...

in addition to the familiar three dimensions of space, there exist extra spatial dimensions on the scale of micrometers (millionths of a meter). While tiny by everyday standards, such dimensions ...

Einstein's special relativity, established in 1905, unified space and time into a four ... Quantum gravity' In the proposed framework, three dimensions act as time dimensions, while one remains ...

In Einstein's theory of general relativity, which describes a universe with three dimensions of space (plus one of time), Hawking radiation would have caused all primordial black holes smaller ...

That instead of living in a universe with three dimensions of space and one of time, we live in one with either 9, 10 or 25 dimensions of space. These extra dimensions are then curled up so ...

There is one notable exception to this strict rule of quantum-state segregation. Restricted to just two dimensions, some ...