YouTube description: We owe so much to diatoms! They help us make beer, paint, and kitty litter, and they're responsible for some of the air you're breathing right now!... continue reading
posted by Aard Vark (oritteropo) 4 years 8 months 2 weeks ago • 834 views • 7:44Videos (73) | Sift Talk (0) | Blogs (0) | Comments (1000) |
"... Step aboard Discovery and explore the space shuttle in 360. National Air and Space Museum and Google Arts & Culture have teamed up to bring a piece of Hubble’s history to life like never before.... continue reading
posted by ant 4 years 8 months 2 weeks ago • 18 views • 6:55YouTube description: Take a behind the scenes look at how these huge Supertankers are turned so quickly during the 'Camp' fire at McClellan Reload Base, Sacramento Ca. LINKS: http://globalsupertanker.com/ ... continue reading
posted by Aard Vark (oritteropo) 5 years 5 months 1 week ago • 180 views • 18:16"Brexit Britain is fed up with experts. These days we only listen to the bloke down the pub. So in this controlled experiment, we put three experts in a pub and recorded the results for your viewing pleasure. ... continue reading
posted by radx 5 years 8 months 3 weeks ago • 72 views • 58:34YouTube description: How do you cool a building without air conditioning? Using an approach called biomimicry, see how architect Mick Pearce harnessed the ingenuity of termites to design a natural cooling... continue reading
posted by Aard Vark (oritteropo) 5 years 11 months ago • 583 views • 3:42Summary: 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 4 months 4 weeks ago • 873 views • 10:03I 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 5 months 4 weeks ago • 454 views • 5:46youtube- TEDx Talks Published on Sep 7, 2017 Imagine a global "Hive Mind" that can tap the knowledge, wisdom, insights, and intuitions of millions of people, and produce a super-intelligence that is... continue reading
posted by Buck 6 years 7 months 1 week ago • 119 views • 15:59YouTube description: When dancer David Chanishvili is on stage, he believes that he can fly. Indeed, he appears to glide through the air with ease while performing for the traditional Sukhishvili Georgian... continue reading
posted by Aard Vark (oritteropo) 6 years 8 months 4 weeks ago • 1,315 views • 2:33I set up a magnetic levitation apparatus in a chamber with about 1/800th normal air pressure.
posted by Mordhaus 6 years 9 months ago • 183 views • 8:27YouTube: This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric... continue reading
posted by PlayhousePals 6 years 9 months 1 week ago • 582 views • 2:02This 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 10 months 2 weeks ago • 333 views • 5:31I 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) 6 years 12 months ago • 1,216 views • 8:51The Magnus effect is an amazing phenomena: It can lift rotating objects up into the air, seemingly defeating gravity. Bruce Yeany brought out a cool video showing how to make flyers from paper cups... continue reading
posted by Mordhaus 7 years ago • 583 views • 6:40YouTube description: Chemical weapon attacks aren’t the only reason to pay attention to Syria. When Syrian-American author and civil rights lawyer Alia Malek woke up to the images of Syrians dying... continue reading
posted by Aard Vark (oritteropo) 7 years 1 week ago • 279 views • 3:02