Holy crap. This strip’s been up for 800 seconds and it’s already the most controversial thing I’ve ever written, beating out comics about cunnilingus, the Obama endorsement, and my making 4chan tiny on the map of the internet. It turns out everyone and their mother has a fruit opinion, and every one of those opinions […]

The Laser Elevator

Solar sails suck. In a 2002 paper, Laser Elevator: Momentum Transfer Using an Optical Resonator (available at your local school/library, possibly electronically — J. of Spacecraft and Rockets 2002), Thomas R. Meyer et. al. talk about a neat way to get a lot more speed out of light reflection than with a regular solar sail. […]


Space has been a little disappointing for the last few decades. Since the moon, everything has turned out kind of barren. Every SETI-related result of the past 30 years has been disheartening — “there was once water on Mars” doesn’t really do it for me. There are two big exceptions. One is Jupiter and Saturn’s […]

Remember limericks? They were huge in the mid-20th century, but fell on hard times over the last couple decades. Now so many dirty limericks are a generation out-of-date, and the really clever ones lie neglected and un-retold. I want more limericks, and I want the cleverest ones collected somewhere. It strikes me that a certain […]