News

A day on Mars

August 18, 2012: NASA’s Curiosity Rover has landed on Mars. A lot of time an effort has gone in to scheduling what will be done there, when it will be done, how much time it will take, etc....

Time and medical care...

May 24, 2012: I was visiting a friend in the hospital a few months ago. She had a medicated IV drip line (an infusion pump) that allowed precise tuning of how much “stuff” was administered....

New atomic clock is 100x better...

March 10, 2012: A new clock is coming to town, an atomic clock, and it’s 100 times more stable than the best atomic clocks we have right now....

How long is a day?

December 22, 2011: I suspect very few people think about how long a day is, and of that number, fewer still wonder if the length of a day changes much, or what sort of things affect the length of the day....

Precise clocks...

September 13, 2011: I was looking for articles about really accurate clocks (OK, I’m using ‘accurate’ colloquially) and came across this one from late 2007, about How Super-Precise Atomic Clocks Will Change the World in a Decade and I was just intrigued by some of the things I saw in there....