The multiverse hypothesis or theory holds that a group of multiple universes (possibly infinite universes) comprise everything that exists: The entirety of space, time, matter, energy, information, and... continue reading

posted by BSR 1 month 4 weeks ago • 132 views • 10:03

YouTube description: There’s no telling what you can do when you put your mind to it. Take Richard Hull, he built a small-scale fusion reactor—in a shed, in his backyard. A retired electronics engineer,... continue reading

posted by Aard Vark (oritteropo) 1 year 8 months 3 weeks ago • 1,455 views • 3:32

From Youtube, "Anti-gravity is one of those controversial subjects that some say is more in the realm of science fiction than science fact with many physicists saying it's just not theoretically possible... continue reading

posted by w1ndex 1 year 8 months 3 weeks ago • 112 views • 14:25

Kablooey YouTube: Theoretical Physicist Brian Greene explains supernovas and demonstrates how a star like ours eventually dies. Oh, and he breaks a world record, too

posted by PlayhousePals 5 years 2 months ago • 693 views • 5:30

YouTube Description: British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to explain the rules of quantum mechanics in just a minute. Brian succeeds;... continue reading

posted by Aard Vark (oritteropo) 6 years 10 months ago • 1,278 views • 1:25

YouTube Description: Theoretical physicist Alan Lightman suggests that our universe is one of many possible variations, leaving physicists at a cosmological dead end. Directed / Produced by Jonathan... continue reading

posted by Janine V. (Lilithia) 7 years 4 months 3 weeks ago • 197 views • 3:19

YT: "The concept of nothing is as old as zero itself. How do we grapple with the concept of nothing? From the best laboratory vacuums on Earth to the vacuum of space to what lies beyond, the idea of nothing... continue reading

posted by Fletch 8 years 4 months 1 week ago • 208 views • 1:54:00

YouTube Description: Light is so common that we rarely think about what it really is. But just over two hundred years ago, a groundbreaking experiment answered the question that had occupied physicists... continue reading

posted by aaronfr 8 years 5 months ago • 1,430 views • 7:40

Feynman Diagrams help physicists understand what happens when particles collide.

posted by GenjiKilpatrick 9 years 3 months 2 weeks ago • 3,324 views • 9:01

From YT: A lecture theatre at Trinity College, Dublin, is named in honour of Erwin Schrödinger. It was in Dublin that the physicist gave his famous lectures: "What is Life?"

posted by Skeeve 9 years 11 months 1 week ago • 827 views • 9:04

The Sixty Symbols group are asked what confuses them.

posted by Skeeve 1 decade 5 months 1 week ago • 2,039 views • 3:38

An explanation of what temperature is as it relates to the energy of a molecule, and the process of how physicists use lasers to cool atoms of gas.

posted by reiwan 1 decade 1 year 8 months 1 week ago • 3,500 views

Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT

posted by cybrbeast 1 decade 2 years 1 month ago • 17,299 views • 2:27