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

We get a rare insight into the Doctor’s and Susan’s travels before they came to London in 1963 when Susan identifies a picture on the TARDIS scanner as being the planet Quinnis in the fourth ...

Paul Steinhardt. The key insight that enabled their explanation was that quasicrystals were, in fact, periodic—but in a higher dimension than the one in which they exist physically. Using this ...

However, as well as the addition of the Fourth Doctor’s face ... all the exterior location scenes were recorded on video rather than being shot on film as had always been the case in the ...