YouTube: Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules.
posted by PlayhousePals 7 years 4 months 4 weeks ago • 1,637 views • 7:09Videos (35) | Sift Talk (0) | Blogs (0) | Comments (102) |
Texas Border Volunteers founders Dr. Michael and Linda Vickers. Their experiences are a wake up call for the rest of the country. A non ending march of death turns up on their land everyday. Their life... continue reading
posted by bobknight33 7 years 6 months 4 weeks ago • 18 views • 5:32"One day YOU will pay for the wall." YouTube: You Fools! You forgot about planes! We always forget about planes!
posted by PlayhousePals 7 years 7 months 1 week ago • 783 views • 5:43YouTube description: Greenford, Middlesex. An item about the manufacture of wallpaper. C/U on stuffed birds. C/U of an artist painting the birds in a design. Various shots of artists designing... continue reading
posted by Aard Vark (oritteropo) 7 years 8 months 1 week ago • 446 views • 2:52I 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 1 week ago • 1,388 views • 4:32YouTube description: Dirt is probably the cheapest and simplest construction material out there, but it's not very strong compared to other choices. Luckily geotechnical engineers have developed a way... continue reading
posted by Aard Vark (oritteropo) 7 years 11 months 3 weeks ago • 930 views • 7:53YouTube description: Freezer burn, what's your deal? Why are you ruining our dinner plans? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ... continue reading
posted by Aard Vark (oritteropo) 8 years 1 week ago • 256 views • 1:47YouTube Description: What has the highest melting point known to us? Hank Green explains in this episode of SciShow. This episode is brought to you by Audible. Go to Audible.com/SciShow for a free 30-day trail. ... continue reading
posted by Aard Vark (oritteropo) 8 years 3 months 1 week ago • 524 views • 5:26I'd be looking out for a killer backhand! YouTube: San Quentin prison sits on a secluded bay just north of San Francisco and inside the walls hosts the largest death row population in the United States.... continue reading
posted by PlayhousePals 8 years 5 months 1 week ago • 148 views • 7:03YT-I built this tiled roof hut in the bush using only primitive tools and materials. The tools I used have been made in my previous videos. It should be pointed out that I do not live in the wild and that... continue reading
posted by newtboy 8 years 8 months ago • 1,709 views • 14:09As an ESL teacher I find this kind of stuff fascinating! Description (from You Tube): eBay Deals investigates Yale University economist Keith Chen's study on "The Effect of Language on Economic Behavior."... continue reading
posted by azukipie 1 decade 6 months 4 weeks ago • 762 views • 5:54"Grover gives one lucky person an outrageous home renovation! ..."
posted by ant 1 decade 1 year 1 month ago • 155 views • 4:52YouTube Description: When sunlight shines through a small hole, it casts an image of the sun on a wall some distance away. Therefore the size and shape of the hole have little effect on the size and... continue reading
posted by Aard Vark (oritteropo) 1 decade 1 year 2 months 1 week ago • 448 views • 3:32YouTube Description: Light is so common that we rarely think about what it really is. But just over two hundred years ago, a groundbreaking experiment answered the question that had occupied physicists... continue reading
posted by aaronfr 1 decade 1 year 2 months 1 week ago • 1,437 views • 7:40It's in French, but you get it. This method can be used with any material that distributes shock in a similar way. I recommend putting a cloth over the shoe first unless you like footprints on your wall.
posted by messenger 1 decade 1 year 8 months ago • 2,237 views • 1:36