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17 小时
Einstein's Theory of General Relativity Faces Challenge
Gravitational distortions produced by distant galaxies show a slight—but notable—disagreement with Einstein's predictions.
1 天
Why does the Earth appear flat, if it is proven to be spherical
Ever wondered why Earth looks flat even though it's a sphere? The planet's massive size makes its curvature nearly impossible ...
Scientific American
2 天
How Geometry Revealed Quantum Memory
Berry used mathematical means to investigate what would happen to the neutron if the direction of the magnetic field changed slowly. According to the so-called adiabatic theorem, which was introduced ...
2 天
The space tourism dream is inching closer to reality – and China is at the forefront
Space travel is back in the headlines, with news that two Chinese buyers have snapped up the country’s first ever commercial ...
3 天
Why does everything look flat even though the Earth is round?
Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...
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