The US carried out the Starfish Prime test by detonating a 1.4-megaton thermonuclear bomb about 400 kilometres above Earth.
A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...
Imagine a 150-kiloton nuclear bomb exploded in the city closest to you. Do you know how the city, its surrounding region, and its inhabitants would be affected? If you can't think of much more than "a ...
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