Yearly Archives: 2015

The long run

The other day I went over to Danehy Park in Cambridge, which has a fine 400-meter running track. I did four laps at my usual plodding pace. Here is my path, as recorded by an iPhone app called Runmeter: No, … Continue reading

Posted in computing, mathematics | 13 Comments

Lost in Translation

J. E. Littlewood told a cute story about a paper he supposedly published in the Comptes Rendus de l’Académie des sciences de Paris. The paper had three footnotes, which read, in French: I am greatly indebted to Prof. Riesz for … Continue reading

Posted in linguistics, problems and puzzles | 3 Comments

The writing on the wall

South wall. Hover to magnify. A place where thousands of people suffered and died makes an uncomfortable tourist destination, yet looking away from the horror seems even worse than staring. And so, when Ros and I were driving from Prague … Continue reading

Posted in off-topic | 4 Comments

Pumping the Primes

On your desktop is a black box. Actually it’s an orange box, because black boxes are usually painted “a highly visible vermilion colour known as international orange.” In any case, it’s an opaque box: You can’t see the whirling gears … Continue reading

Posted in computing, mathematics | 11 Comments

Gazing into the CodeMirror

Marijn Haverbeke is a programmer based in Berlin whose book Eloquent JavaScript is freely available on the Web and published in various other formats by No Starch Press. It’s a fine book, and I warmly recommend it. Buying a copy … Continue reading

Posted in computing | 2 Comments