YouTube description: The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board... continue reading

posted by Aard Vark (oritteropo) 6 years 11 months 3 weeks ago • 811 views • 3:23

YouTube description: Just as vinyl records have a pattern of grooves and ridges that contain the sound, talking tapes - which were originally developed in 1918 - work on the same principle. Along the... continue reading

posted by Aard Vark (oritteropo) 8 years 11 months 4 weeks ago • 688 views • 3:37