Science: Gravity & Magnetism

A challenging item in the unfinished business of science is to find some connection between magnetism and gravitation. The universe is shot through & through with electromagnetism; gravitation is everywhere too. Physicists have long been convinced that the two must be related somehow, but try as they would (and the most talented have tried), they could establish no basic connecting law.

Last fortnight Britain's famed, curly-haired Professor Patrick Maynard Stuart Blackett of Manchester University told the Royal Society how the problem might be (perhaps has been) solved.

As everyone knows, said Blackett, the earth has a magnetic field, but no one has figured...

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