At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading

posted by Mordhaus 7 years ago • 408 views • 7:08

YouTube description: Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He... continue reading

posted by Aard Vark (oritteropo) 8 years 9 months ago • 337 views • 6:34

YouTube Description: Tuning forks are wonderful tools for teaching physics. In this video and accompanying article, James Lincoln, Physics Teacher at Tarbut V Torah High School highlights 10 enriching... continue reading

posted by Aard Vark (oritteropo) 1 decade 3 months ago • 207 views • 5:16

YT: Water in rivers, in a glass, or falling from clouds obeys gravity. It's going to fall towards the ground because of the physical pull of the earth. But, what if we told you that you could turn a glass... continue reading

posted by Zawash 1 decade 5 months 2 weeks ago • 110 views • 1:06

... or how to soil a pristine lab coat! YouTube Description: Gav and Dan are in the GE lab using nanotechnology to show you cool liquid physics at 2500fps. The first experiment shows a superhydrophobic... continue reading

posted by PlayhousePals 1 decade 1 year 2 months ago • 1,101 views • 5:34

YouTube Description: What happens when single photons of light pass through a double slit and are detected by a photomultiplier tube? In 1801 Thomas Young seemed to settle a long-running debate about... continue reading

posted by Aard Vark (oritteropo) 1 decade 1 year 12 months ago • 251 views • 6:00