Nothing can go faster than light. It’s a rule of physics woven into the very fabric of Einstein’s special theory of relativity. The faster something goes, the closer it gets to its perspective of time freezing to a standstill.
Go faster still, and you run into issues of time reversing, messing with notions of causality.
But researchers from the University of Warsaw in Poland and the National University of Singapore have now pushed the limits of relativity to come up with a system that doesn’t run afoul of existing physics, and might even point the way to new theories.
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