Summary: Fluidized beds are used in industry for various reasons. They also happen to be really cool to play with and swim in. I made a liquid sand hot tub by adding air in just the right way. MUSIC- ... continue reading

posted by newtboy 6 years 11 months 3 weeks ago • 873 views • 10:03

YouTube description: Frances Glessner Lee created dollhouses with dead dolls. In this episode of Vox Almanac, Vox's Phil Edwards explains why. Frances Glessner Lee's "Nutshell Studies of Unexplained... continue reading

posted by Aard Vark (oritteropo) 7 years 2 weeks ago • 717 views • 8:16

YouTube description: Our image of dinosaurs has been constantly changing since naturalists started studying them about 350 years ago. Taken together, these pictures can tell us a whole lot about just... continue reading

posted by Aard Vark (oritteropo) 7 years 2 weeks ago • 1,293 views • 12:21

YouTube description: IMPORTANT NOTE I'm not saying that this is the best or only way. I have lots of friends who go to 100% every time and they are extremely prolific and effective creators. And they... continue reading

posted by Aard Vark (oritteropo) 7 years 2 weeks ago • 1,346 views • 3:57

There’s a saying in the sea, 'If it’s a cone, leave it alone'. Although they look pretty harmless cone nails are pretty deadly. They're a chemical making factory that travels around an a giant sticky... continue reading

posted by Mordhaus 7 years 2 weeks ago • 790 views • 3:48

YouTube description: In Calipatria, California, the town is below sea level -- but their flag pole isn't. But what does "sea level" mean? Is it just theory, or is there more behind it?... continue reading

posted by Aard Vark (oritteropo) 7 years 3 weeks ago • 495 views • 2:58

I swear, it's just my allergies....

posted by Nephelimdream 7 years 3 weeks ago • 123 views • 3:07

YouTube description: On the river Rhine in Switzerland, there are reaction ferries: boats with no engine, no paddles, no onboard motive power at all. Here's how they work -- and a question about what... continue reading

posted by Aard Vark (oritteropo) 7 years 1 month 1 week ago • 601 views • 2:30

YouTube description: In civil engineering, quicksand is more than just a puddle of mud! The "quick condition" occurs when seepage reduces the effective stress of a soil. This can lead to some dangerous... continue reading

posted by Aard Vark (oritteropo) 7 years 1 month 2 weeks ago • 1,490 views • 5:15

Mutiny on the SS Global Warming, Perpetrated by the Top Ranked "Sailors on that vessel"

posted by bobknight33 7 years 1 month 2 weeks ago • 65 views • 5:01

I made a brick mold that makes bricks 25 x 12.5 x 7.5 cm from wood. A log was split and mortise and tenon joints were carved using a stone chisel and sharp rocks. The mold was lashed together with cane... continue reading

posted by Mordhaus 7 years 1 month 3 weeks ago • 1,024 views • 10:47

In this video, you'll find out the most common ways planes drop bombs, but also about a not so conventional way called the "idiot's loop" which was tested, just not utilized.

posted by Mordhaus 7 years 2 months ago • 279 views • 2:23

"School may have taught you a wide array of lessons, whether it's things that are actually useful or algebra; but SOME are just straight up not true..."

posted by ant 7 years 2 months ago • 69 views • 4:54

YouTube: We live in an era of self driving cars, autonomous drones, deep learning algorithms, computers that beat humans at chess and go, and so on. So it’s natural to ask, will artificial superintelligence... continue reading

posted by PlayhousePals 7 years 2 months 2 weeks ago • 297 views • 4:14

Dialect coach Erik Singer takes a look at idiolects, better known as the specific way one individual speaks. To best break down this concept, Erik analyzes some actors playing real people. Just how close... continue reading

posted by Mordhaus 7 years 2 months 3 weeks ago • 429 views • 29:11

Petscop, is a seemingly harmless, PS One game that never made it to market. But dig a little deeper, and you'll find there is no game. Just fake let's plays, of a fake game, telling a very REAL and traumatic... continue reading

posted by Mordhaus 7 years 2 months 3 weeks ago • 71 views • 17:59

Ewww Ewww EWWW!!! YouTube: When predators attack, daddy longlegs deliberately release their limbs to escape. They can drop up to three and still get by just fine.

posted by PlayhousePals 7 years 2 months 3 weeks ago • 884 views • 4:05

Turns out Christopher Columbus wasn't brave, he was just really bad at math.

posted by Mordhaus 7 years 2 months 3 weeks ago • 639 views • 5:44

I'm at the top of Mount Evans, more than 14,000 feet - 4.3km - above sea level. This is definitely a mountain: but why doesn't the smaller summit next to it also count? Let's talk about prominence. (Just... continue reading

posted by Mordhaus 7 years 3 months ago • 152 views • 2:46

I have always pondered this. Abbott's Flatland was just the departure point.

posted by oblio70 7 years 3 months ago • 58 views • 27:07