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Archive for the ‘Physics’ Category

One year ago today, I was not in labor with Hudson (it was his due date, but you know how babies–and statistical distributions–are). But on this date 139 years ago, something very special happened right at the US Naval Observatory in Washington, DC.

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Last week, I was able to attend one of our major conferences of the year. This was the first time I have traveled for work since before Hudson was born and, other than my short hospital stay in January, the first time I have really been away from him at all. And apparently there were no baby steps getting back into it; I jumped right in by spending an entire week in the United Kingdom without Bart and Hudson. Thankfully, everything went incredibly well on both sides of the pond.

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Today around midnight Greenwich Mean Time (evening for us in the US), something remarkable will happen. I’ve gotten tons of questions from friends about the Leap Second, which is coming to a clock near you today, so I thought I’d take a moment to discuss the topic and hopefully shed a little light on why it’s interesting and why you should (or shouldn’t) care.

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Rocky Mountain hi

Thursday morning, Bart sent me this picture:

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