Background. Codman's paradox reveals a misunderstanding of geometry in orthopedic practice. Physicians often encounter situations that cannot be understood intuitively during orthopedic interventions ...
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A star moving at high speed could test the rotation of the black hole at the center of the Milky Way
The fastest star in the Milky Way reaches 25,000 km/s and could reveal how the central black hole spins. Sagittarius A* (Sgr ...
Time for another Fermi problem. There was a recent story in Science News that talked about the effects of the Chilean quakes on the Earth's rotation. The basic idea is that some ginmourmous amounts of ...
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