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Physicists Spin Up Quantum Tornadoes

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The research, published in Nature , was conducted by a team of scientists affiliated with the MIT-Harvard Center for Ultracold Atoms and MIT’s Research Laboratory of Electronics. These wave-shaped clouds, seen over an apartment complex in Denver, Colo., exhibit what’s called Kelvin-Helmholtz instability. Rick Duffy/Wikipedia.

MIT 101
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The New Supersonic Boom

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Those objections added to the concerns environmentalists were raising about the ozone layer—a scenario seemingly justified a few years later by MIT researchers, who concluded that a future fleet of 500 supersonic airliners would deplete the ozone layer by 16 percent. Clearly, nobody would accept stone-fracturing sonic booms.