From Youtube, "I bought 10,000 shade balls and tried to swim in them. They appear to act like a non-Newtonian fluid: rigid under high shear stress, but they flow like a liquid under low shear."

posted by w1ndex 5 years 9 months ago • 104 views • 10:42

This is such a 'guy' video

posted by PlayhousePals 6 years 8 months 2 weeks ago • 157 views • 10:27

Concrete's greatest weakness is its tensile strength, which can be less than 10% of its compressive strength. So, we often reinforce it to create a composite material strong against all types of stress.... continue reading

posted by Mordhaus 6 years 10 months 2 weeks ago • 362 views • 8:11

YouTube description: I broke my tractor in a field. Instead of getting upset, I decided to celebrate the marvel of shear pins. A friend called them "Mechanical Fuses".... continue reading

posted by Aard Vark (oritteropo) 7 years 8 months 3 weeks ago • 998 views • 1:33