The Star Wars franchise depicted the fictitious “Death Star,” a moon-sized space station capable of firing concentrated beams of radiation across space. Even something as menacing as the Death Star, however, is outmatched by a recently discovered super massive black hole, which is pumping out a stream of particles three times longer than the diameter […]
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Using a phenomenon where particles of light appear to travel quicker than light speed, researchers have demonstrated that light waves can appear to travel backwards in time. It is a common [...]
