AI could prove that reality doesn’t exist, physicists say -- and other science news of the week

This is our weekly ad-free compilation of science news. 00:00 - Why Bill Gates’ New Natrium Reactor is a Big Deal 4:57 - Physicists Claim They Can Send Particles Into the Past 11:06 - AI could prove that reality doesn’t exist, physicists say 17:42 - Time Ran Slower in the Past, Physicists Find