I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 6 years 6 months 1 week ago • 454 views • 5:46

YouTube: Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even... continue reading

posted by PlayhousePals 6 years 9 months 2 weeks ago • 659 views • 5:15

Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading

posted by Mordhaus 6 years 11 months 2 weeks ago • 541 views • 8:11

YouTube description: Why so many languages invented words for colors in the same order. Subscribe to our channel! http://goo.gl/0bsAjO In 1969, two Berkeley researchers, Paul Kay and Brent Berlin,... continue reading

posted by Aard Vark (oritteropo) 6 years 11 months 3 weeks ago • 634 views • 6:45

YouTube description: Google Earth is the most photorealistic, digital version of our planet. But how?! Where do the images come from? How are they they put together? And how often are they updated?... continue reading

posted by Aard Vark (oritteropo) 7 years 1 week ago • 678 views • 8:09

Prisons are a very dangerous place. And since prisoners have a lot of free time they come up with different ways to hurt their cellmates or parole officers. The weapons we are gonna show you in this video... continue reading

posted by Mordhaus 7 years 1 month 1 week ago • 183 views • 4:50

YouTube description: Meet Professor Jamie Seymour, he milks stuff. But nothing that moos, has hooves, wool or fur. He prefers to live life on the edge, milking the venom from the most venomous animals... continue reading

posted by Aard Vark (oritteropo) 7 years 1 month 3 weeks ago • 176 views • 4:26

From NYT: "...a really big drain called a spillway. And once you see it full of spiraling water, it is hard to take your eyes off it. For the first time in a decade, January and February have brought... continue reading

posted by chicchorea 7 years 2 months 1 week ago • 1,883 views • 1:31

YouTube description: In the high-speed world of rally car racing, you’re only as good as your co-driver. As these racers speed around hairpin turns on unpaved, narrow roads, drivers must rely on the... continue reading

posted by Aard Vark (oritteropo) 7 years 2 months 4 weeks ago • 540 views • 4:06

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

Tucked away in a valley in the Allegheny Mountains in West Virginia, is this: the Green Bank Radio Telescope, the largest steerable radio telescope in the world. And there are some rather special rules... continue reading

posted by Mordhaus 7 years 7 months ago • 589 views • 5:50

YouTube: At some point, you’ve probably learned about the five senses: sight, sound, smell, taste, and touch. However, the classic list doesn't account for all the sensations we experience and use to... continue reading

posted by PlayhousePals 7 years 7 months 1 week ago • 571 views • 4:34

YouTube description: For much of human history, people made art by trying to represent the world as it appeared around them. Until about 100 years ago, when a bunch of artists stopped trying to do that.... continue reading

posted by Aard Vark (oritteropo) 7 years 9 months 1 week ago • 508 views • 9:18

As urban populations continue to rise, innovators are looking beyond traditional farming as a way to feed everyone while having less impact on our land and water resources. Vertical farming is one solution... continue reading

posted by Mordhaus 7 years 10 months ago • 832 views • 3:38

The Coexist logo is famous on bumper stickers and around the world — but it's also at the center of quite a few battles. When Piotr Mlodozeniec designed the first Coexist logo, he had no idea how... continue reading

posted by Mordhaus 7 years 10 months 4 weeks ago • 504 views • 5:33

YouTube: Eyes have been around for a long time, like... half a billion years or so... and in that time, animals have evolved lots of crazy and amazing ways to observe the world around them!

posted by PlayhousePals 8 years 3 weeks ago • 403 views • 8:42

YouTube Description: And how it got its name. Subscribe to our channel! http://goo.gl/0bsAjO El Niño is a weather phenomenon that occurs irregularly in the eastern tropical Pacific every... continue reading

posted by Aard Vark (oritteropo) 8 years 4 months 2 weeks ago • 1,145 views • 2:59

IFLScience: Still baffled by Einstein’s theory of relativity, or even the parts in the movie Interstellar when everyone experiences time differently? Well, this teenager’s explanation of special relativity... continue reading

posted by Zawash 8 years 5 months 2 weeks ago • 1,541 views • 7:34

YT: Daniel Kish has been blind since he was 13 months old, but has learned to "see" using a form of echolocation. He clicks his tongue and sends out flashes of sound that bounce off surfaces in the environment... continue reading

posted by Zawash 9 years 1 month ago • 208 views • 13:08