An unlikely change in the theory of quantum mechanics would lead to bizarre new conclusions. Our guest talks us through non-linear quantum mechanics, and how physicists like him are testing it. For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe Support the show