Chinese scientists have detected a dozen ultra-high-energy (UHE) cosmic accelerators within the Milky Way, a find that could overturn humanity's understanding of the galaxy. It could help reveal the origin of cosmic rays, which have puzzled scientists for a century....
Did you know that the temperature of a tennis ball affects its performance? Inside each tennis ball is a hollow core - a rubber, coated space containing gas. As the temperature of the ball changes, the pressure of the gas...
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