In this video, Vaclav will teach you how to read Prague Astronomical Clock, step by step. You will learn how to read the Old Czech Time, Old German Time, Babylonian Time, and Vaclav will also tell you... continue reading

posted by BSR 1 year 4 months 2 weeks ago • 28 views • 6:26

I show you what the delayed choice experiment looks like in real life

posted by newtboy 1 year 8 months 2 weeks ago • 75 views • 5:40

The world remains in a state of shock after spectacular satellite images of an undersea volcano erupting on the island of Tonga left a giant mushroom cloud in the Pacific region. With shocking visuals... continue reading

posted by eric3579 2 years 3 months 3 weeks ago • 42 views • 4:26

It's time the news organizations began questioning the actions of police.

posted by dedstick 2 years 5 months ago • 418 views • 13:45

The Nenet reindeer herders need to move their tent every few days throughout most of the year. Every time they migrate they must pack the whole tent away, drag it across the tundra on sledges, and erect... continue reading

posted by blacklotus90 3 years 2 months 2 weeks ago • 499 views • 32:14

"With the first documentary from MinnMax, we travel back to 1971 to tell the surprising story of how a college project from Bill Heinemann, Paul Dillenberger, and Don Rawitsch was donated to the state... continue reading

posted by ant 3 years 6 months 3 weeks ago • 8 views • 23:08

Each season has its own distinctive flowers, and in Japan early May sees the wisteria blossom. Many people travel at that time to see fine examples of wisteria, a spreading vine that can be arranged over... continue reading

posted by newtboy 3 years 11 months ago • 388 views • 4:28

YouTube description: Joe Barnard left his background in videography and music production to launch his life of amateur rocketry, and he shares his DIY adventures in building rockets on his YouTube channel... continue reading

posted by Aard Vark (oritteropo) 5 years 5 months ago • 915 views • 9:36

YouTube description: Ever wondered how they film a tank shell in flight for over 100m meters like it was travelling at walking speed or the instant of a nuclear explosion. In this video, I look at... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months 4 weeks ago • 1,678 views • 7:14

This is probably the biggest loophole in German gun law: Because this arrow shooting airgun does not shoot a projetile THROUGH a barrel but OVER a barrel, the BKA (highest German authority on gun assessments)... continue reading

posted by Mordhaus 6 years 11 months ago • 333 views • 5:31

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 7 years 2 months 2 weeks ago • 99 views • 6:27

What if you went back in time and killed your own grandfather? Would you still be born? Or would you have thus killed yourself?

posted by Mordhaus 7 years 11 months 3 weeks ago • 150 views • 2:48

YT-I built this tiled roof hut in the bush using only primitive tools and materials. The tools I used have been made in my previous videos. It should be pointed out that I do not live in the wild and that... continue reading

posted by newtboy 8 years 8 months 1 week ago • 1,709 views • 14:09

"Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The... continue reading

posted by ant 1 decade 1 year 1 month 3 weeks ago • 47 views • 2:52

Compression of time during travel near the speed of light has some interesting and significant consequences.

posted by messenger 1 decade 1 year 2 months ago • 446 views • 8:37