I set up a magnetic levitation apparatus in a chamber with about 1/800th normal air pressure.

posted by Mordhaus 6 years 9 months 1 week ago • 183 views • 8:27

YouTube description: With a population of over 18 million people, Mumbai is one of the world’s largest megalopolises. To put it mildly, the city can be unpredictable. But amid the chaos, Mumbai has... continue reading

posted by Aard Vark (oritteropo) 6 years 9 months 1 week ago • 660 views • 2:48

Humans emit roughly 30 to 40 billion tons of the greenhouse gas, carbon dioxide, into the atmosphere each year. If we keep it up, Earth will continue to heat up and ultimately devastate our way of life. ... continue reading

posted by newtboy 6 years 11 months ago • 107 views • 2:18

The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading

posted by Mordhaus 6 years 11 months 2 weeks ago • 136 views • 10:14

YouTube description: It was fall of 1918. The Allied military’s tactical movements were jeopardized by the German military’s superior espionage capabilities. Not only were the Germans tapping Allied... continue reading

posted by Aard Vark (oritteropo) 6 years 11 months 3 weeks ago • 188 views • 1:58

I built a water powered hammer called a “Monjolo”. I started by making a water spout from half a hollow log to direct water from the creek. This was set up in the creek and water flowed through it.... continue reading

posted by Joe Motion (lurgee) 7 years ago • 1,216 views • 8:51

Breaking Bad is celebrated as one of the best TV shows of all time—but every series has to start somewhere. This video looks at how the structure of the pilot episode sets up everything the audience... continue reading

posted by bobknight33 7 years 3 weeks ago • 162 views • 11:41

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 ago • 99 views • 6:27

YouTube description: Here's a great resource that allows you to search and organize all of Trump's tweets: http://www.trumptwitterarchive.com/ SOURCES & FURTHER READING: http://varianceexplained.org/r/trump-twe... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months ago • 645 views • 6:46

YouTube description: What if you had to grow 20 pounds of bone on your forehead each year just to find a mate? In a bloody, itchy process, males of the deer family grow a new set of antlers every year,... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months 3 weeks ago • 318 views • 3:46

for Workers, Employers, and Pretty Much Everybody YouTube: Maybe the person working near you, the one who dragged himself to work and is now coughing and sneezing, couldn’t afford to stay home. Each... continue reading

posted by PlayhousePals 7 years 4 months 3 weeks ago • 521 views • 5:25

After installing the Windows Anniversary Update for Windows 10 it would seem we picked up a lot more than we bargained for. There is a feature now that allows Microsoft to quietly install popular games... continue reading

posted by Mordhaus 7 years 5 months 1 week ago • 81 views • 13:57

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized... continue reading

posted by Mordhaus 7 years 5 months 2 weeks ago • 36 views • 4:00

In Sanlúcar de Guadiana, in Spain, there's a zip line called Límite Zero: the only cross-border zip wire in the world, landing in Alcoutim, Portugal. You land about an hour before you set off.

posted by Mordhaus 7 years 6 months 1 week ago • 155 views • 2:03

Over the past few days, the optical illusion posted by Akiyoshi Kitaoka has made the rounds on the internet, and today I'm explaining how the 12-dot optical illusion works. It is driven by two key features:... continue reading

posted by Mordhaus 7 years 7 months 2 weeks ago • 23 views • 3:16

In this video we show Safety Matches lit with Sulfuric acid. Concentrated sulfuric acid found in drain cleaner may be used. What's happening is the sulfuric acid reacts with potassium chlorate to produce... continue reading

Aharon Rabinowitz sets out to make a video in the style of one of our favorite YouTube channels: Action Movie Kid!

posted by BSR 7 years 8 months 2 weeks ago • 12 views • 6:59

The Perseid meteor shower is set to illuminate the night sky with hundreds of falling stars on early Friday morning. Experts are saying that this year's show will be especially stunning with up to 200... continue reading

posted by newtboy 7 years 8 months 3 weeks ago • 19 views • 1:09

The wildfire in this video is actually an azeotropic mixture of trimethyl borate and methanol. Trimethyl borate burns with an intense green flame that looks very much like wildfire from "Game of Thrones". ... continue reading

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 7 years 9 months 1 week ago • 40 views • 5:21