Prime Parking

Southeast Regional Library‎ Gilbert AZ The primes have gotten some good press this year. In January, a mathematician found a prime number with over 17 million digits.[2] He was participating in GIMPS, the Great Internet Mersenne Prime Search. Sort of like SETI, but these folks unleash the power of their personal computer on a search … Continue reading Prime Parking


Barton Springs Pool Austin TX 2013/06/02 There are so many books, articles, websites, poems and cartoons about π; I considered not chalking it. I have been working on an upcoming post on Taylor series, but π just keeps saying, “Hey, after all I have done for you, will you please just spend some time with me?” … Continue reading π

When 1 + 1 = 10

Austin, TX 2013/03/09 My esteemed colleague, Kelley, loves space, outer space in particular along with stars, NASA, telescopes0, and all space exploring accouterments. About a month ago, she was telling me about a special map, a pulsar map. A map like this was sent into outer space on the Voyager as a message to potential … Continue reading When 1 + 1 = 10

Long Division

The Alamo San Antonio, TX 2013/03/06 Often the bane of elementary school students, long division tends to have a bad reputation. Hearing “I used to like math… until long division” is not uncommon. It is as if long division was out there on the playground, turning kids upside down and skating them down for lunch … Continue reading Long Division

Angular Velocity

Space Needle, Seattle WA 12/23/2011 Sitting in a coffee shop in 1959, Edward E. Carlson was imagining and sketching a tower of the future to stand tall above the 1962 World’s Fair in Seattle. After many iterations and the input of architect John Graham, the flying saucer-inspired shape we know (and, at least some of … Continue reading Angular Velocity