Power of Analogy

From time to time in this blog, I take a moment to celebrate fine writing. Here is an example I came across in an article in Smithsonian magazine from May 2014. The author, Corey Powell , was trying to explain how astronomers use gravitational “tug” to indirectly reveal the existence of planets. In other words, they can’t…

Influencing Young Minds

I really like teaching Duke undergraduates. They are an ambitious and intelligent group. But sometimes their ambition and intelligence get in the way of creative thinking, especially in regards to careers. They all want to remain high achievers, so they know they must either become doctors, lawyers, investment bankers or business consultants. Not infrequently I…

Sagan the Quipster

In 1996, a man wrote to Carl Sagan asking him the distance to heaven. Sagan was a very public agnostic. He replied brilliantly: “Thanks for your letter. Nothing like the Christian notion of heaven has been found out to about 10 billion light years. (One light year is almost six trillion miles.) With best wishes…”…

Science Writing Prodigy

I’ve been teaching college for four years now, at a pretty darn good college. But I’m not sure I’ve seen student writing quite as good as this undergraduate writing sample: There is a wide yawning black infinity. In every direction the extension is endless, the sensation of depth is overwhelming. And the darkness is immortal….