YouTube description: This is Barsha Pump, it's a new water pump created by aQysta. "Barsha" means rain in Nepalese and the pumps are being made available across Nepal, Indonesia, Zambia and 9 other countries. ... continue reading
posted by Aard Vark (oritteropo) 6 years 2 months 3 weeks ago • 739 views • 3:19Videos (42) | Sift Talk (0) | Blogs (0) | Comments (1000) |
YT: I built an A frame hut as a large work space for projects. First I made a celt hatchet to cut timber for the hut. The axe head was made of amphibolite and the handle was made of a species of wattle.... continue reading
posted by nanrod 6 years 4 months 1 week ago • 524 views • 9:05I 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 7 months ago • 454 views • 5:46This is very much not how I remember it being reported around the time of the repair mission. I'm sure that at the time it was incorrectly reported as being due to the effect of grinding the mirror under... continue reading
posted by Aard Vark (oritteropo) 6 years 9 months 3 weeks ago • 1,190 views • 7:52YouTube 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 10 months ago • 1,315 views • 2:33YouTube description: From bee sting to cobra bites, we measure the deadliest substance known to mankind and see how much it takes to kill a person. Everything from the top 10 deadliest substance, most... continue reading
posted by Aard Vark (oritteropo) 6 years 11 months ago • 2,401 views • 3:24I recently had the idea for this new vacuum cannon design that many of you might be interested in. Since it hasn't been very long since my last vacuum cannon video I thought I would make this a more casual... continue reading
posted by Mordhaus 6 years 11 months 4 weeks ago • 16 views • 10:29How do you measure big forces accurately? By calibrating your force transducer on the worlds biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required... continue reading
posted by Mekanikal 7 years ago • 1,248 views • 5:45YouTube 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) 7 years 2 weeks ago • 188 views • 1:58The US signed the metre convention and bases all customary units on SI standards. As an aside, the Utah constitution from 1895 required the metric system to be taught in schools. This requirement was repealed... continue reading
posted by eric3579 7 years 2 weeks ago • 1,012 views • 8:52How we went from requiring 3 or more engines to cross the ocean to allowing twin engine planes to cross, and the increase in reliability, and ETOPS range of modern twin engine planes.
posted by RFlagg 7 years 2 weeks ago • 1,242 views • 8:57YouTube description: Earth is not flat. So, representing it on a flat surface can be challenging and always requires compromises. Hosted by: Hank Green (obligatory xkcd ref - https://xkcd.com/977/... continue reading
posted by Aard Vark (oritteropo) 7 years 2 months 3 weeks ago • 424 views • 4:34In 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 3 months ago • 99 views • 6:27for 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 5 months 3 weeks ago • 521 views • 5:25YouTube description: It’s probably the most well known peacetime battle between the USA and the Soviet Union, in both technological and ideological terms of the 20th century. Although the USA won... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months 1 week ago • 812 views • 14:23I 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 10 months ago • 1,388 views • 4:32I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading
posted by Mordhaus 8 years 1 month 3 weeks ago • 621 views • 5:54From OutdoorHub: "opens a Master Lock by simply applying tension and gently tapping it with a hammer. This is a particularly worrisome exploit for two reasons. First, this type of lock is one of the most... continue reading
posted by chicchorea 8 years 5 months 3 weeks ago • 1,617 views • 1:13An interesting riddle - can you sifters solve it, without resorting to the solution in the video (from 1:25)? iflscience: The following riddle is claimed to have been written by Einstein as a boy. It's... continue reading
posted by Zawash 8 years 8 months 2 weeks ago • 52 views • 5:08YouTube Description: Security expert Steve Gibson talks with Leo Laporte about CryptoLocker, a virus that encrypts all of your data and requires you to pay to get the key.For the full episode, visit... continue reading
posted by Grimm 1 decade 6 months 4 weeks ago • 1,108 views • 8:58