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It may sound a bit like an army barracks, but the truth of the matter is: there must be some time laid aside for arranging, time for working on either a book or an article - I've written two articles in the last four months for the New York Times book review section. ↗
Technically you need the extra dimensions. At first people didn't like them too much, but they've got a big benefit, which is that the ability of string theory to describe all the elementary particles and their forces along with gravity depends on using the extra dimensions. ↗