From Ethan Siegel

Jul 26, 2016

Sabine Hossenfelder

A visualization of a 3-torus model of space, where lines or sheets in series could reproduce a larger-dimensional structure. 1,403 more words

From Ethan Siegel

Jul 26, 2016

Sabine Hossenfelder

A visualization of a 3-torus model of space, where lines or sheets in series could reproduce a larger-dimensional structure. 1,403 more words

**Review of “Covariant Loop Quantum Gravity, an elementary introduction to quantum gravity and spinfoam theory” by Carlo Rovelli and Francesca Vidotto**

One of the central problems of contemporary physics is finding a theory that allows for describing the quantum behavior of the gravitational field. 1,133 more words

From: Danish researchers looking to crowdfund ‘Theory of Everything’

Never to be a jerk about it, but I’m already dissuaded, based upon the annotation under the main post image there… 1,504 more words

**Review of “The Singular Universe and the Reality of Time” by Roberto Mangabeira Unger and Lee Smolin**

*The Singular Universe* is effectively two separate books held together by some common ideas. 2,401 more words

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