Mathematics gives us the truth of physics, but is it the only truth?

## The Power Of Balance

Group theory is an abstract concept, but it lies at the heart of physical reality.

## A World Of Pure Imagination

Imaginary numbers are strange, but their application to physics is very real.

## Slings And Arrows

Newton’s laws are a story of arrows. It’s a story that leads us to an understanding of electricity and magnetism.

## Sacred Geometry

Euclid started us down the path of geometry, which led us to the understanding that geometry is the key to the Universe.

## An Elegant Weapon

Mathematics is the language of science. In this series we’ll talk about just what that means.

## A Slice Of Pi

Today is pi day, which means an obligatory post on that most famous of irrational numbers.

## Turing the Universe

My research area is computational astrophysics. This means I use computers to analyze astronomical data or model astrophysical systems. Most of my work is done through an application known as Mathematica, which is a powerful computational program. Like any application, Mathematica has advantages and disadvantages, but it has one property that is absolutely essential: it is Turing complete.

## Cosmic Pi

Today is March 14, which many celebrate as Pi Day since the month and day mark 3.14, which is approximately pi.It is also Albert Einstein’s birthday, so it seems fitting to ask whether π can exist in a universe as Einstein described it. Just for fun, I’m going to outline why the answer is no.

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