YouTube description: In the last 20 years it's been surprisingly common for space probes to end missions early because reaction wheels have failed, moreover there's been a large number of failures associated... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months 1 week ago • 565 views • 7:10Videos (38) | Sift Talk (0) | Blogs (0) | Comments (1000) |
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 1 month 3 weeks ago • 739 views • 3:19YouTube description: The Park-Car was invented by Brooks Walker in the 1930s and patented in the 1950s. The car included a fifth wheel that allowed it to rotate in and out of parking spaces, as well... continue reading
posted by Aard Vark (oritteropo) 6 years 10 months 1 week ago • 500 views • 1:31YouTube: When President Trump's White House revealed its proposed budget recently. A lot of things got cut, and much public outrage was expressed about cuts to funding for Meals on Wheels. White House... continue reading
posted by PlayhousePals 7 years 3 weeks ago • 396 views • 5:12Tadashi Tokieda is back. This time talking about stability, instability and train wheels.
posted by Mordhaus 7 years 1 month 2 weeks ago • 200 views • 7:25I 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 ago • 1,388 views • 4:32Tuck and roll baby! YouTube: Experts like Dr. Ruth explore how the car played an unlikely role in the sexual revolution.
posted by PlayhousePals 7 years 9 months 3 weeks ago • 44 views • 2:17I made a rough type of textile from bark fibre. This is the same tree I use for making cordage though I don’t know its name. It has been raining a lot here lately (the video also shows how well the hut... continue reading
posted by Mordhaus 7 years 12 months ago • 639 views • 4:48Destin livin' and lovin' life! YouTube: GET SMARTER SECTION Watch all the Smarter Every Day videos about helicopters: https://www.youtube.com/watch?list=PL... Tail Number CGYYW is a 2011 Robinson R44 II ... continue reading
posted by PlayhousePals 7 years 12 months ago • 650 views • 9:12Derek Muller from Veritasium lifts a gyroscopic fly wheel above his head.
posted by nock 1 decade 1 month 1 week ago • 1,170 views • 5:42"This video is a part of a lecture from MIT open courseware. The teacher is Prof. Walter Lewin. He is Dutch origin astrophysicist. But at 1966 he went to MIT and stayed there." From http://www.reddit.com/r/videos/comm... continue reading
posted by ant 1 decade 7 months 1 week ago • 3,779 views • 3:13This is taken from a radio show called Science Friday. This is about a couple who were inspired to design and build their own tiny house with mobility because they were tired of paying 1200 monthly in... continue reading
posted by Issykitty 1 decade 9 months 2 weeks ago • 5,391 views • 4:37Youtube Description: This 50 minutes long BBC documentary film is aired in the year 2011. The BBC film says it is the first and the most technological advance in the world, ancient chariot racing, the... continue reading
posted by oohlalasassoon 1 decade 1 year 2 weeks ago • 556 views • 48:32Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT
posted by cybrbeast 1 decade 4 years 10 months ago • 17,336 views • 2:27