Author Archives: Brian Hayes

About Brian Hayes

I'm the blogger here.

Where’s My Petabyte Disk Drive?

Fourteen years ago I noted that disk drives were growing so fast I couldn’t fill them up. Between 1997 and 2002, storage capacity doubled every year, allowing me to replace a 3 gigabyte drive with a new 120 gigabyte model. … Continue reading

Posted in computing | 37 Comments

The Bug That Ate Thursday

As I was finishing up the previous post here at, I noticed something off-kilter about the appearance of a few mathematical expressions. Here’s an enlarged example: Notice the spacing around the minus sign. It’s too close to the argument … Continue reading

Posted in computing | 5 Comments

Number Factoids

The web sites and dish up a smorgasbord of facts about every natural number from 1 to 999,999,999,999,999. Type in your favorite positive integer (provided it’s less than 1015) and you’ll get a list of prime factors, a … Continue reading

Posted in computing, mathematics | 8 Comments

Carnival of Mathematics #130

Welcome to the 130th monthly Carnival of Mathematics, a roving blog organized by The Aperiodical. The previous edition was hosted by GanitCharcha. This month’s collection includes material appearing on the Web between December 10 and January 9 (with a bit … Continue reading

Posted in mathematics | 4 Comments

Ten years of bit-playing

Scribble, scribble, scribble. As if the world didn’t get enough of my writing already, with a bimonthly column in American Scientist, now I’m equipped to publish my every thought on a momen’t notice. That’s how it all began here on … Continue reading

Posted in meta | 5 Comments