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Sunday Science: A New Test for Quantum Gravity

Sabine Hossenfelder Sabine Hossenfelder
After countless attempts to develop a theory of quantum gravity, physicists are now trying their hand at measuring it through various experiments. This week we have a new proposal for an experiment, and it's a quite clever idea. Let’s have a look.

Sunday Science: How Does Gravity Escape a Black Hole?

Sabine Hossenfelder Sabine Hossenfelder
If nothing gets out of a black hole, how does gravity do it? Something with virtual gravitons? Is this really necessary? It's tricky question, but this is what I can say without resorting to equations.
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