extra dimensions

The idea that spacetime has more than the familiar three dimensions, with consequences for particles and forces.

Articles about extra dimensions

Science
Wormholes: From Math to Stranger Things

Wormholes: From Math to Stranger Things
Stranger Things has pushed the wormhole back into the headlines — but what do physicists actually mean by a wormhole, how plausible are traversable tunnels through spacetime, and …
Physics
Portal to the Fifth Dimension? Not Yet

Portal to the Fifth Dimension? Not Yet
A viral headline claims researchers have found a 'portal' to a fifth dimension that solves dark matter. The underlying work is a mathematically rich theoretical model — promising,…