05/10/2016

X-ray telescopes find evidence for wandering black hole

Astronomers have used NASA's Chandra X-ray Observatory and ESA's XMM-Newton X-ray observatory to discover an extremely luminous, variable X-ray source located outside the center of its parent galaxy. This peculiar object ...

Nobel: Big hopes rest on tiny machines

Molecular machines, which earned their inventors the Nobel Chemistry Prize on Wednesday, are a fraction of the width of a human hair but strong enough to move things 10,000 times their size.

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