Author Archives: Brian Hayes

About Brian Hayes

I'm the blogger here.

Divisive factorials!

The other day I was derailed by this tweet from Fermat’s Library: The moment I saw it, I had to stop in my tracks, grab a scratch pad, and check out the formula. The result made sense in a rough-and-ready … Continue reading

Posted in computing, mathematics | 5 Comments

A Room with a View

On my visit to Baltimore for the Joint Mathematics Meetings a couple of weeks ago, I managed to score a hotel room with a spectacular scenic view. My seventh-floor perch overlooked the Greene Street substation of the Baltimore Gas and … Continue reading

Posted in technology | 1 Comment

Glauber’s dynamics

Roy J. Glauber, Harvard physics professor for 65 years, longtime Keeper of the Broom at the annual Ig Nobel ceremony, and winner of a non-Ig Nobel, has died at age 93. Glauber is known for his work in quantum optics; … Continue reading

Posted in computing, physics | 1 Comment

Empty nest season

I am past the stage of life when the kids go off to school in the fall, but nonetheless the house is feeling a bit desolate at this time of year. My companions of the summer have gone to earth … Continue reading

Posted in biology | Leave a comment

Another technological tragedy

One Thursday afternoon last month, dozens of fires and explosions rocked three towns along the Merrimack River in Massachusetts. By the end of the day 131 buildings were damaged or destroyed, one person was killed, and more than 20 were … Continue reading

Posted in computing, technology | 22 Comments