Electrons moved in two dimensions when influenced by a magnetic field, hinting at how a similar effect would occur in the fourth dimension.

Einstein's special relativity, established in 1905, unified space and time into a four-dimensional continuum. It relies on two core principles: Galileo's relativity and the constancy of light's speed.

In the Randall-Sundrum braneworld model, the fourth dimension of space changes how gravity operates on small scales, which changes the rate at which small black holes form and evaporate.

From 3-D to 4-D It's difficult for us to accept ... To extend the curled-up space to include these added dimensions, imagine that spheres replace the Kaluza-Klein circles. Instead of one added ...

He would eventually become the series’ producer towards the end of the Fourth Doctor’s era. Prolific actor Jack May plays Space Corps General Hermack. He had recently had the regular role of ...

One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

Having been touched by the time winds, K-9 can now only function in E-Space. When Romana decides not to return with the Doctor to the normal universe, the Doctor gives K-9 to her to help in her ...