Satellite orbiting Earth is guided by the spacetime curvature generated by the Earth's mass (Photo: NASA)
Schrodinger's Cat points out the strange paradoxes of quantum theory (Image: Doug Hatfield)
Hawking radiation results from the trapping of one member of a virtual particle-antiparticle pair inside the event horizon of a black hole (Image: B. Dodson)
Nothing can emerge from a classical black hole, and at the center lies a curvature singularity (Image: Alexandre Van de Sande as adapted by B. Dodson)
Quantum black hole study finds bridge to another Universe (Image: Shutterstock)
Physicists have long thought that the singularities associated with gravity (like the inside of a black hole) should vanish in a quantum theory of gravity. It now appears that this may indeed be the case. Researchers in Uruguay and Louisiana have just published a description of a quantum black hole using loop quantum gravity in which the predictions of physics-ending singularities vanish, and are replaced by bridges to another universe.
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