Blogs

The Reverend Thomas Bayes died 250 years ago this month. His grave, located near epidemiological centre of excellence St Mary's College, remains a point of pilgrimage for statisticians (of both Bayesian and Frequentist stripes) visiting London to this day.

This afternoon, the Revolution team was jolted by a minor (3.4 magnitude) earthquake at our Palo Alto offices. A startling jolt, nothing more. It did get me wondering how close the San Andreas fault was to our building, though. Not too far, as it turns out: this page at geology.com lets you follow the fault via Google Maps.

As literate creatures, we humans commucate with symbols: letters, numbers, characters, marks. Every language and culture has its own. If you wanted to take a look at all of the symbols we use around the world, how long do you think it would take? Well, if you convert all 49571 of the Unicode system into a movie running at 24 frames per second, it takes over 33 minutes.

With Tax Day fast approaching here in the US, there's been a lot of discussion about tax policy and in particular the tax rates paid by the highest income earners. Like in many countries, here the income tax system is bracketed: