- Asteroid 2004 BL86 will pass close to earth on January 26. With a dark sky and a 4-inch telescope, you can watch it go by. This video will show you how.
- Make your own upside-down bat house
- Maillardet’s Automaton
- Hershey Fonts for gEDA
- Surface area of a sphere: Proof by clementine
- Escher-inspired cutting board
- Laser marking steel with plaster and alcohol
- This discrete-logic digital clock is a work of art
- From Gongkai to Open Source (Bunnie Studios)
- Laser-cut mint-tin watercolor palettes
- Gold embrittlement is a thing: Hazards of soldering with gold+tin+lead