[Gadgets] Physicists have figured out how to search for wormholes to travel through time and between universes

[Draeno]

 

The wormhole is a feature of spacetime that represents a tunnel in space at each moment of time. It is compatible with Albert Einstein's general theory of relativity, but its existence is no more than a hypothesis that no one has been able to prove. The concept of a wormhole was first introduced by the American physicist John Archibald Wheeler.

Chinese scientists seem to have come up with a way to find wormholes. They believe that wormholes can be detected by circumstantial evidence, just like black holes. The latter completely absorb all light, so they cannot be seen. However, scientists are sure that black holes exist and are even able to study them.

Simulations by Chinese scientists have shown that wormholes can have enormous mass to refract light from objects behind them. In simple words, wormholes magnify and distort distant stars behind them. This is what black holes and galaxy clusters can do.

Scientists believe that the object behind the wormhole will appear in three magnified copies, one of which will be brighter than the others. In the case of black holes, the effect is different. A black hole produces not three, but four copies, but all of them are about the same level of brightness.

Despite this, the work of Chinese scientists can hardly be called a revolutionary discovery. Even if the simulations were really correct, finding a black hole would be as easy as hearing a man whispering at a rock concert. So says Andreas Karch, a physicist at the University of Texas at Austin. So there is still room for improvement.

 

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