Although a typical mathematical task has a single correct answer, in some cases, the assumptions of a proposition determine its truth. Such relativity of truth plays a major role in the development of ...

Einstein’s theories of relativity reshaped physics, but some of their implications are stranger than even he anticipated.

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Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far enough back toward ...

I’ve been getting lots of emails and tweets about a young man named Jacob Barnett, a 12-year-old who is apparently a math genius. He’s been getting a lot of press lately because he’s tackling some ...

Noether discovered that for every continuous symmetry of a system, there is a conserved quantity—that is, a quantity that ...

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In this paper-covered pamphlet of eighty pages, which is sold for saxpence, Prof. Rice sets forth the doctrine of relativity: and not only this, but also (as prelimiriaries to it) the principles of ...