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Einstein’s theory of general relativity has made countless correct predictions and yet physicists are constantly trying to prove it wrong. Why? What would it be good for to prove Einstein wrong? And how could it be done? In this video I go through the most promising experiments that physicists currently work on which could prove Einstein wrong.

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The new constraints from gamma ray bursts:
https://arxiv.org/abs/2109.07850

The new Afshordi paper on black hole echoes
https://arxiv.org/abs/2201.00047

Aspelmeyer et al's quest for massive superpositions
https://www.nature.com/articles/s41586-021-03250-7

Using entanglement to look for quantum gravity
https://journals.aps.org/pra/a....bstract/10.1103/Phys

Adelberger et al's most precise measurement of the one-over-R-squared law https://journals.aps.org/prl/a....bstract/10.1103/Phys

Test of the equivalence principle with different Rubidium atoms:
https://journals.aps.org/prl/a....bstract/10.1103/Phys

0:00 Intro
0:22 Why might Einstein have been wrong?
3:10 Experiment 1: Speed of light
5:08 Experiment 2: Speed of gravitational waves
6:27 Experiment 3: Black hole echoes
9:16 Experiment 4: Superpositions of masses
10:39 Experiment 5: 1 over R-squared law
11:40 Experiment 6: Equivalence principle
12:40 What would it be good for?
13:40 Sponsor message