The Skeptics' Guide to the Universe
Scientific skepticism and pseudoscience takedowns; claims checkable
1:23:10Change One Law of Physics and Every Wish Backfires
A live thought experiment from Dragon Con: change just one law of physics to make science fiction real, and every wish gets taken apart for the consequences nobody counted — antigravity equals free energy, hyperspace travel equals handing the technology to every alien civilization.
2:13:49String Theory Doesn't Describe Our Universe, But It Isn't Dead
String theorists themselves admit it: string theory does not describe the universe we live in, and on that point there is no ambiguity. But it has been demoted from theory of everything to a tool in the theoretical physicist's toolbox — ADS-CFT means the 10-dimensional string theory and a 4-dimensional quantum field theory carry the same information, and a hard problem on one side is easy on the other.
1:55:06AI as questioner, not ghostwriter, is how it belongs in education
Use an LLM for steps 2 through 6 of the research process and let it only ask questions, never generate ideas — that way students aren't fooled by the illusion of intelligence; photography killed realistic painting, and AI will force out the part that is uniquely human.
1:54:01Wi-Fi signals can identify you, and you don't even need to carry a phone
Since Wi-Fi 5, the BFI that devices send back is unencrypted — anyone within RF range can set up a receiver and read it; identifying individuals by how their bodies perturb the signal hit up to 99.5% accuracy in experiments.