About Garrett


I'm concise.

TED Conference


I'm passionate about

everything, because I'm half Italian -- but I'm also half English, so I repress it.

Talk to me about

anything other than your personal Theory of Everything.

People don't know I'm good at

playing the piano. And there's a reason for that.

Comments & conversations

Garrett Lisi
Posted almost 7 years ago
Garrett Lisi: An 8-dimensional model of the universe
Hi John, thanks for the helpful comment. I think you got it exactly right -- these Lie groups are best thought of as moving over spacetime, not in it, and don't have a size associated with them. There has been some progress with this E8 Theory in the last year, though nothing major. But a friend and I did make a visualization tool for the elementary particle charges: <a href="http://deferentialgeometry.org/epe/">Elementary Particle Explorer</a>