As urban populations continue to rise, innovators are looking beyond traditional farming as a way to feed everyone while having less impact on our land and water resources. Vertical farming is one solution... continue reading
posted by Mordhaus 7 years 10 months ago • 832 views • 3:38Videos (114) | Sift Talk (0) | Blogs (0) | Comments (1000) |
I built this grass hut up on a ridge. It's roughly parallel with the tiled hut and wattle and daub hut that are a couple of hundred meters away down in a valley. I built it on a ridge to get away from... continue reading
posted by Mordhaus 7 years 10 months ago • 567 views • 4:17YouTube: 'SIMON’S CAT LOGIC' CREDITS: Directed by: Chris Gavin Producer: Emma Burch Cat Expert: Nicky Trevorrow Animation & Graphics: Simon Tofield Junior Designer: Liza Nechaeva Production... continue reading
posted by PlayhousePals 7 years 10 months 3 weeks ago • 397 views • 6:24YouTube description: Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He... continue reading
posted by Aard Vark (oritteropo) 7 years 10 months 3 weeks ago • 337 views • 6:34YouTube description: Engineers that work with fluids need a solid understanding of how they behave, and there’s one branch of fluid mechanics that plays a role in areas all across our lives. Whether... continue reading
posted by Aard Vark (oritteropo) 7 years 10 months 3 weeks ago • 116 views • 10:07The Coexist logo is famous on bumper stickers and around the world — but it's also at the center of quite a few battles. When Piotr Mlodozeniec designed the first Coexist logo, he had no idea how... continue reading
posted by Mordhaus 7 years 11 months ago • 504 views • 5:33This very odd one-off pistol first appeared in a 1958 Golden State Arms catalog, with no description of its history or mechanical design. I have often seen it referred to as an automatic revolver, but... continue reading
posted by Mordhaus 8 years ago • 155 views • 8:30I 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 ago • 621 views • 5:54YouTube description: Remember the childhood hours of fun spent blasting your friends with neon-tinged water cannons? You can thank a NASA scientist for that. In 1982, Lonnie Johnson designed the Super... continue reading
posted by Aard Vark (oritteropo) 8 years 1 month ago • 504 views • 2:31500ish were made and around half were sold outside the US before the company went under. It isn't mentioned in the video, but the chambers were specially engineered with a taper ream so that smaller cartridge... continue reading
posted by Mordhaus 8 years 1 month 3 weeks ago • 710 views • 5:15YT: Bill reveals the engineering design of a NERF blaster, including how it shoots only one dart at a time using a novel air restriction mechanism.
posted by Fantomas 8 years 5 months 2 weeks ago • 762 views • 2:52When I was a preschooler I walked face first into a spider web. Hence my lifelong fear of the eight legged creepers. YouTube: Spiderwebs are designed to trap bug-sized creatures. So how come spiders... continue reading
posted by PlayhousePals 8 years 7 months 4 weeks ago • 27 views • 3:06There's no "undo" command.
posted by nock 8 years 9 months 3 weeks ago • 337 views • 11:29(yt description) 5 designs guaranteed to win 1st place or your money back. I hope you enjoy the video and learn something new like I did when I made it. Feel free to share with any one who likes to learn... continue reading
posted by Magicpants 8 years 11 months 1 week ago • 1,108 views • 9:49Bill details the engineering choices underlying the design of a beverage can He explains why it is cylindrical, outlines the manufacturing steps needed to created the can, notes why the can narrows near... continue reading
posted by eric3579 9 years 3 weeks ago • 1,673 views • 11:39Lack of ability to cry was why I didn't gel with antidepressants. Horrid. YouTube: Dr. Julie Holland argues that women are designed by nature to be dynamic and sensitive – women are moody and that... continue reading
posted by PlayhousePals 9 years 4 weeks ago • 302 views • 6:51YouTube Description: In 1991, Cuba's economy began to implode. "The Special Period in the Time of Peace" was the government's euphemism for what was a culmination of 30 years worth of isolation. It... continue reading
posted by Aard Vark (oritteropo) 9 years 4 months 1 week ago • 1,569 views • 8:30One more example of why you should not answer questions posed by cops...anything you say WILL be used against you (even if they have to lie about what you said, or what they heard, or what they thought... continue reading
posted by newtboy 9 years 6 months 4 weeks ago • 1,857 views • 2:08Dr. Mike Evans is founder of the Health Design Lab at the Li Ka Shing Knowledge Institute, an Associate Professor of Family Medicine and Public Health at the University of Toronto, and a staff physician... continue reading
posted by cricket 9 years 7 months 1 week ago • 229 views • 9:13