Add new comment

Permalink Submitted by Marianne on November 26, 2015

The explanation is in the last paragraphs of this article. It is connected to the irrationality of phi.

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Maths in a minute: Equal temperatures

At any point in time there are two points on the Earth's equator with the same temperature.
Emmy Noether: Against the odds

A brief look at Emmy Noether's challenging journey to become one of the twentieth century's great mathematicians.
Ramanujan: Dream of the possible

A hundred years ago Ramanujan was elected FRS. Here is a look at the maths that gained him the title.
Emmy Noether and the power of symmetry

2018 is the centenary of a mathematical result that changed the character of physics.
Maths in a minute: Higher dimensions

In normal life higher dimensions smack of science fiction, but in mathematics they are nothing out of the ordinary.