In this video, Tim demonstrates a variety of Lenz's Law demonstrations. At its simplest, you can just drop a magnet down a metal tube, maybe made of copper or aluminium, and be surprised at how slowly... continue reading

posted by Mordhaus 6 years 6 months 3 weeks ago • 968 views • 6:01

YouTube description: View full lesson: https://ed.ted.com/lessons/what-really-happened-to-the-library-of-alexandria-elizabeth-cox 2,300 years ago, the rulers of Alexandria set out to fulfill a very... continue reading

posted by Aard Vark (oritteropo) 6 years 7 months ago • 826 views • 4:53

YouTube description: For thousands of years, the people of Hungary have soaked in the rich, thermal waters that lie below the country’s surface. From Roman emperors to Turkish kings, Budapest’s... continue reading

posted by Aard Vark (oritteropo) 6 years 8 months 3 weeks ago • 422 views • 2:45

YouTube: Deep in the forests of New Guinea there is a rich variety of life, each more bizarre than the last. One such spectacle is the male Bird of Paradise who appears to go to extraordinary lengths to... continue reading

posted by PlayhousePals 7 years 11 months 2 weeks ago • 245 views • 3:24

In this video I build a garden to grow Cassava and yams, two staple food crops. Cassava is a shrub that develops large edible roots. Yams are a climbing vine that produce large, edible underground bulbs... continue reading

posted by Mordhaus 8 years 2 weeks ago • 100 views • 6:27

El Caminito del Rey, the King's Little Pathway, is now a tourist attraction near Malaga, in southern Spain. But once, it brought adrenaline junkies here - sometimes fatally. Now it's safe: but the internet... continue reading

posted by Mordhaus 8 years 4 months 3 weeks ago • 762 views • 2:56

"These wormlike larvae use bioluminescence to attract their prey..."

posted by ant 8 years 6 months 2 weeks ago • 10 views • 55 secs

Have you ever wondered what happens when you bring a magnet near 5000 degree molten Iron? Does it attract? Or repel? Maybe it create cool shapes. But most importantly... DOES IT EXPLODE?! I set off... continue reading

posted by Mordhaus 8 years 7 months 3 weeks ago • 40 views • 5:21

YouTube: Ring tailed lemurs waft their special scent to attract females, but the very latest science suggest that his scent contains clues to a different strength...

posted by PlayhousePals 9 years 1 month 2 weeks ago • 19 views • 2:38

YouTube: Lots of plants make nectar to attract pollinators, but some make special, extra nectar pots outside their flowers to feed their bodyguards.

posted by PlayhousePals 9 years 3 months 3 weeks ago • 69 views • 3:29

Portion control

posted by PlayhousePals 1 decade 7 months 4 weeks ago • 1,034 views • 2:50

Some people consider them the best part of the movie going experience — the Movie Trailer. Take a look at the evolution of the "coming attractions" from simple silent film splices, through the template... continue reading

posted by randeepsamra 1 decade 11 months 2 weeks ago • 241 views • 14:59

YouTube Description: Sport Relief and the Sainsbury's Sport Relief Games: http://goo.gl/UAKUr2 Sport Relief interactive video: [See YouTube Description] Ruis Martins animation: [See YouTube Description] ... continue reading

posted by Janine V. (Lilithia) 1 decade 1 year 2 months ago • 269 views • 10:22

How many times is a CHARM? I've got a ways to go.

posted by PlayhousePals 1 decade 1 year 4 months ago • 332 views • 1:39

A Mobius strip is one of the best ways to demonstrate both the attractive as well as repulsive forces at work with superconducting magnets. Also one of the best explanations of superconducting magnets... continue reading

posted by nock 1 decade 1 year 8 months 2 weeks ago • 491 views • 7:30

The scientists of Sixty Symbols discuss the four fundamental forces - gravity, electromagnetic, weak and strong - for Valentine's Day.

posted by Skeeve 1 decade 4 years 4 weeks ago • 1,697 views • 8:17