Over 99.9% of atoms heavier than Helium-4 were formed via nuclear fusion inside stars. Other natural sources include spontaneous fission, big bang nucleosynthesis, cosmic ray spallation, radioactive... continue reading
posted by jwray 1 decade 6 years 6 months 2 weeks ago • 1,970 viewsFeynman!
Updated: 9 years 11 months ago
Views: 7,702
This famous speech was given by Sir Winston just before the battle of Britain.
posted by rasch187 1 decade 6 years 5 months 2 weeks ago • 2,436 viewsCERN employees dropping knowledge.
posted by eric3579 1 decade 6 years 3 months 3 weeks ago • 8,052 views • 4:49Duration 5 mins 47 seconds. The late Robert Anton Wilson has an interesting take on explaining quantum physics. There seem to be a number of his talks spliced together and he speaks eloquently on the... continue reading
posted by Deano 1 decade 6 years 2 months 4 weeks ago • 10,039 viewsStephen Hawking's theory of black holes and Richard Gott's theory of cosmic strings give hope to those seeking a route to time travel. (From YouTube)
posted by Zifnab 1 decade 6 years 2 months 2 weeks ago • 2,337 views1. The Law of Falling Bodies (1604) Galileo Galilei overturns nearly 2,000 years of Aristotelian belief that heavier bodies fall faster than lighter ones by proving that all bodies fall at the same rate. ... continue reading
posted by Kulpims T'dna (kulpims) 1 decade 6 years 4 months 4 weeks ago • 8,623 viewsNeil DeGrasse Tyson shares an important piece of wisdom.
posted by guitarwolf 1 decade 5 years 10 months 2 weeks ago • 8,446 views • 57 secsLecture from Princenton Astrophysicist, neil tyson about density, and some of the most dense objects in the universe. From the 'My Favorite Universe' series. Other videos: On being rarefied ... continue reading
posted by mauz15 1 decade 5 years 7 months 2 weeks ago • 1,722 views • 32:32Leonard Susskind studies theoretical physics, particularly the field of string theory and quantum field theory, and he is widely recognized as one of the fathers of the String Theory model of particle... continue reading
posted by Kulpims T'dna (kulpims) 1 decade 5 years 5 months 2 weeks ago • 2,803 viewsPhysicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT
posted by cybrbeast 1 decade 5 years 4 months 3 weeks ago • 17,344 views • 2:27We've all heard of Schrödinger's Cat, but do you know what it is?
posted by arvana 1 decade 5 years 4 months 1 week ago • 19,278 viewsItem of interest if you like physics; contains updated nuclear models.
posted by Sagemind 1 decade 5 years 4 weeks ago • 5,145 viewsAired 11-3-09 on the BBC. Playlist: http://www.youtube.com/view_play_list?p=58211B49FA51CBF3 "Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart... continue reading
posted by Nonbrainwashed 1 decade 5 years 2 weeks ago • 4,511 viewsOrigins Symposium with Brian Greene from Columbia University and Lawrence Krauss from Arizona State University
posted by Kulpims T'dna (kulpims) 1 decade 4 years 11 months 4 weeks ago • 2,274 viewsRichard Feynman comments on the sloppiness of Social Scientists
posted by Crake 1 decade 6 years 4 months 2 weeks ago • 7,874 viewsNobel Prize-winning philosopher/mathematician, Bertrand Russell, explains why he does not believe in God.
posted by Duckman33 1 decade 4 years 10 months 4 weeks ago • 3,662 views