The executive desk toy is alright for about 25 seconds. But what if it went a little bit faster? Nothing that a compressed air cannon can't solve while Gav and Dan film it 4000 times slower than you can see. ... continue reading
posted by BSR 2 years 1 month 1 week ago • 135 views • 12:17Videos (21) | Sift Talk (0) | Blogs (0) | Comments (1000) |
It's hard to know if she actually had a coherent point to make here--it sure didn't look like it. At the least, she was poorly served by her staff, which didn't educate her, didn't program her questions,... continue reading
posted by SFOGuy 2 years 9 months ago • 1,835 views • 2:12From Youtube, "A brief overview of this ingenious method of compressing air using only the power of water. The way a trompe harnesses the power of water to generate compressed air with no moving parts... continue reading
posted by w1ndex 4 years 4 months ago • 1,217 views • 8:50Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading
posted by newtboy 4 years 5 months ago • 877 views • 3:16What if a Passenger was the ONLY one left to land the plane? Could a passenger theoretically do it, without ANY previous knowledge or training? In todays Special video, I will go through the required... continue reading
posted by BSR 4 years 6 months 4 weeks ago • 25 views • 31:56YouTube 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 9 months 1 week ago • 834 views • 7:44YouTube 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 3 weeks ago • 583 views • 3:42I 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 3 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 8 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 9 months 3 weeks ago • 1,315 views • 2:33YouTube: 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 10 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 11 months 2 weeks ago • 333 views • 5:31The 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 1 month ago • 583 views • 6:40I built this pottery kiln and some pottery from termite mound clay to test an alternative clay source to my usual one from the creek bank. I started by making a large grate from ordinary clay. It was just... continue reading
posted by Mordhaus 7 years 1 month 3 weeks ago • 419 views • 11:27I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading
posted by Mordhaus 7 years 9 months 3 weeks ago • 1,388 views • 4:32YouTube description: in this video i will try to explain how a bladeless fan works. is a bit difficult do it in english. if you can do it better please use comment box below. the space between the... continue reading
posted by Aard Vark (oritteropo) 7 years 10 months 1 week ago • 1,002 views • 4:53YouTube description: Sometimes flight recorders are the only way the victims' families will know what happened to the plane. Immediately following an airplane crash anywhere in US territory, the... continue reading
posted by Aard Vark (oritteropo) 7 years 11 months 1 week ago • 229 views • 5:31YouTube description: I made a batch of charcoal using the mound method then stored it in baskets for later use. Charcoal is a fuel that burns hotter than the wood it's made from. This is because the... continue reading
posted by Aard Vark (oritteropo) 8 years 3 months ago • 1,003 views • 5:31YouTube Description: Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don't they all die?
posted by PlayhousePals 1 decade 3 months 3 weeks ago • 536 views • 2:49... or how to soil a pristine lab coat! YouTube Description: Gav and Dan are in the GE lab using nanotechnology to show you cool liquid physics at 2500fps. The first experiment shows a superhydrophobic... continue reading
posted by PlayhousePals 1 decade 4 months 2 weeks ago • 1,101 views • 5:34- 1
- »