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

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 ...

POSSIBLY the question, What is the fourth dimension? may admit of an indefinite number of answers. I prefer, therefore, in proposing to consider Time as a fourth dimension of our existence ...

When the TARDIS lands on prehistoric Earth, both the Doctor and Susan are ... claims to have made up herself from ‘Time and Relative Dimension in Space’. Twenty-five years later, the Doctor ...

His first was 42 and he's also scripted episodes of Torchwood and Life on Mars. The Hungry Earth and the following episode, Cold Blood, formed block 4 of the new series production schedule.