- “Do we want to get to the moon or not?” John C. Houbolt was responsible for the Lunar-Orbit Rendezvous plan
- A video comparison of different laser marking compounds for use with CO2 lasers
- Figures in the Sky: How cultures across the World have seen their myths and legends in the stars
- A wonderful little <$10 video game: A Short Hike
- Papercraft models of classic computers
- John Pound, the creator of Garbage Pail Kids is also a generative artist (via)
- Springer has made a set of books and articles available at no cost to help those affected by coronavirus lockdowns
- A clever linkage for a mechanical elbow (via Matt Siegel)
