OpenStax
Free and flexible textbooks and resources.
Stained glass smash
Name that Nation
I’m embarrassingly bad at this.
Eagle POV flying over the Alps
Relativistic Spaceship
Offshore oil rig evacuation system
Terrifying and fun!
Mindsweeper Twist
Infinite Craft
neal.fun is at it again
Using iPhone’s panorama mode for creative photography
Plato Education
Educational YouTube. Gamified.