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String theory and multiple dimensions

Here is a ted talk with physicist Brian Greene who explains the string theory in a very accessible way. The video is recorded in 2005, before CERN in Switzerland was built. 315 more words

Okategoriserade

The Little Book of String Theory

This post is essentially a quick recommendation for a book. For some reason (I am not sure if error or intentional) the book seems to have been made available online… 353 more words

Science

“In essence, String Theory describes space and time, matter and energy, gravity and light, indeed all of God’s creation… as music.”-Roy H. Williams

Mr. Nobody

β€œIt is a riddle, wrapped in a mystery, inside an enigma.” –Winston Churchill on the inability to forecast the actions of Russia in 1939… 1,046 more words

Movie Review

From Quanta: "String Theory Meets Loop Quantum Gravity"


Quanta Magazine

January 12, 2016
Sabine Hossenfelder

Eight decades have passed since physicists realized that the theories of quantum mechanics and gravity don’t fit together, and the puzzle of how to combine the two remains unsolved. 1,902 more words

Basic Research

Warmth in the darkest of places

Black holes have been a source of fascination for physicists and science generalists for years. There is no way to actually observe what happens in a black hole, due to the fact that light cannot escape the pull of a black hole; we can theorise as much as we like but we cannot actually know. 509 more words

Three Ways with Totally Positive Grassmannians

This week I’m down in Canterbury for a conference focussing on the positive Grassmannian. “What’s that?”, I hear you ask. Roughly speaking, it’s a mysterious geometrical object that seems to crop up all over mathematical physics, from scattering amplitudes to solitons, not to mention quantum groups. 531 more words

Math