YouTube description: Why does shaken soda explode? Does ice melt first in fresh or salt water? This video features experiments that have been shown to me by science teachers over the years. Does... continue reading

posted by Aard Vark (oritteropo) 5 years 3 months 2 weeks ago • 999 views • 13:59

This successful test of the upgraded and now human rated Dragon capsule is the first step towards the USA being able to send astronauts to the ISS without hitching a lift on Russian Soyuz spacecraft. ... continue reading

posted by Aard Vark (oritteropo) 6 years ago • 516 views • 4:57

YouTube description: Amazing high resolution photos of the Earth should show that the earth is oblate, but it's hard to see because the difference is about 0.3%. So here's a quick demo highlighting the difference. ... continue reading

posted by Aard Vark (oritteropo) 6 years 9 months 1 week ago • 624 views • 1:43

Watch this complex object get 3D printed in less than 15 minutes. Sean and Norm visit Carbon, the makers of the M1 3D printer, to get a demo of this new super fast 3D printing technology working in real-time.... continue reading

posted by Mordhaus 8 years 9 months 1 week ago • 384 views • 24:31

Hilarious Westjet Flight Attendant Safety Demo Leaves Passengers In Stitches

posted by newtboy 9 years 7 months ago • 8,793 views • 2:28

"As a grad student, Cynthia Breazeal wondered why we were using robots on Mars, but not in our living rooms. The key, she realized: training robots to interact with people. Now she dreams up and builds... continue reading

posted by ant 9 years 8 months ago • 22 views • 14:04

Mississippi's new sex education law prevents teachers from showing teens how to use condoms. However, they CAN show kids how to protect their feet through correct and consistent sock use. -yt

posted by eric3579 1 decade 1 month 2 weeks ago • 1,268 views • 1:52

A guide demonstrates what you can do with a real image from a giant concave mirror at the San Francisco Exploratorium.

posted by eric3579 1 decade 8 months 3 weeks ago • 1,855 views • 2:17

YouTube: Dan Burns explains his space-time warping demo at a PTSOS workshop at Los Gatos High School, on March 10, 2012.

(Description via YouTube) In a robot lab at TEDGlobal, Raffaello D'Andrea demos his flying quadcopters: robots that think like athletes, solving physical problems with algorithms that help them learn.... continue reading