- Great black-and-white photos from his “Quadrants” series at Marcel’s.
- And lest we forget that volcano with its unpronounceable name, here’s a video with shockwaves (via Bad Astronomy)
- Marcel’s got some fantastic photos of skyscrapers in vertical perspective.
- Great spring photos at The Big Picture
- Understanding Christianese: Lesson 1, Lesson 2, Lesson 3, Lesson 4 (via Friendly Atheist)
- Die Ergebnisse des UFO-Bilder-Fälscherwettbewerbs.
- The theory of relativity as a song: (via Astrodicticum)
- Guess everyone’s seen this video of the already, but anyway: