Category Archives: computing

The Mind Wanders

On my walk to the Berkeley campus this morning I brushed my fingers through the leaves of an aromatic shrub, and then inhaled the familiar fragrance. I do this every day, and every day the first word that stands up … Continue reading

Posted in biology, computing, neuroscience | 4 Comments

The Threats to the Net

My first glimpse of the World Wide Web came in 1993 on a visit to Fermilab, the physics playground near Chicago. Tom Nash, head of the computing division, showed me a screenful of text with a few highlighted phrases. When … Continue reading

Posted in computing, modern life | 3 Comments

Approximately Yours

Today, I’m told, is Rational Approximation Day. It’s 22/7 (for those who write dates in little-endian format), which differs from π by about 0.04 percent. (The big-endians among us are welcome to approximate 1/π.) Given the present state of life … Continue reading

Posted in computing, mathematics | 10 Comments

Counting Your Chickens Before They’re Pecked

It started with a brief story in the New York Times about Luke Robitaille, a 13-year-old student from Euless, Texas, who won the Raytheon Mathcounts National Competition by correctly answering the following question: In a barn, 100 chicks sit peacefully … Continue reading

Posted in biology, computing, featured, mathematics, problems and puzzles, statistics | 8 Comments

The short arm of coincidence

James Tanton tosses off number theory problems the way John D. Rockefeller handed out dimes. I wrote about one of Tanton’s problems back in January. Then a few weeks ago this tweet about factorials and squares snagged my attention, and … Continue reading

Posted in computing, featured, mathematics, problems and puzzles | 14 Comments