When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...
Tiny tubes of carbon that emit single photons from just one point along their length have been made in a deterministic manner ...
Interesting Engineering on MSN
Santa at Mach speed: How the US Air Force reimagined the Christmas sleigh
An astrophysicist estimated that Santa would need to travel at roughly Mach 3,000 to visit an estimated 91.8 million children ...
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