Might the mere fact of creating a time machine ensure its own elimination from history? That’s the disquieting suggestion of a new theoretical framework by Andrew Jackson, a research associate at the ...

(via Sabine Hossenfelder) In today’s video, I have a brief rundown of my 10 favorite physics paradoxes and big problems. If you have trouble sleeping at night, this will give you something to think ...

Have you ever lain awake at 3 AM, staring at the ceiling, wrestling with a thought so profound it makes your brain hurt? These aren't just ordinary ...