- Other great sites
- El Irracional, un foro de matemáticas en español
- El Rincón Matemático, foros y consultas sobre matemáticas
- Gauss Facts
- Virtual Math Museum
- ShareLaTeX, online collaborative LaTeX editor
- The KnotPlot Site, a great tool to plot knots
- Worldwide center of mathematics. Has some great math resources
- The nature of code. A nice book about programming

Cornelis Escher was a famous Dutch artist whose pieces of art evoked some mathematical shapes. Surprisingly, Escher said that he knew very little about mathematics, and that all his work was motivated by purely aesthetic reasons. He did what he did just because it was beautiful.

One of the most famous Escher works is a litograph that depicts several reptiles coming out of a sheet of paper and crawling around over the table. You can see a colored version below, the origin...

[read more...]Beamer is a well known LaTeX package for presentations and slides. LaTeX is a typesetting program very popular amongst scientists, specially those that use a lot of mathematical formulas.

Beamer includes a bunch of themes and those can be combined with some color themes. The only problem is that, despite the big amount of possibilities, all of them look very similar. This is why some people have created their own Beamer themes.

The **Cuerna** Beamer theme...

There was once a man that claimed he could move the whole world if someone provided a place to stand. Amongst his adventurous achievements, it's said that he designed a system of mirrors to focus the power of the sun and burn down enemies ships, that he created a claw that would drive crazy the little green men, that he created a screw to pour the water out of a boat; and the most extreme of them all, that he ran across Syracuse completely naked yelling "Eureka!".

Archime...

[read more...]Napoleon Bonaparte (1769-1821) was one of the most brilliant military strategists in history. He was emperor of the French from 1804 to 1814 and is well know worldwide as a very short emperor (Actually, he wasn't that short).

There is a lesser known fact about Napoleon, he was very capable in mathematics. He was an excellent student and there's actually a theorem attributed to him.

The **Napoleon's Theorem** appeared for the first time in 1825 as a riddle
...

The next Thursday, as every year, the Ig Novel awards ceremony will be held in the Sanders Theatre at Harvard College. This seems like a good moment to remember the 2013 winners, which include scientist who swallowed shrews and drunk people who find themselves attractive.

Below, the list of the winner researches in each area:

**Probability**. For making two related discoveries: First, that the
longer a cow has been lying down, the more likely that cow will soon s...

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