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 2 weeks ago • 1,637 views • 7:09

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 2 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 6 months 4 weeks ago • 783 views • 5:43

YouTube 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 ago • 446 views • 2:52

I 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 8 months 4 weeks ago • 1,388 views • 4:32

YouTube 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 1 week ago • 930 views • 7:53

YouTube 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 ago • 256 views • 1:47

YouTube 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 2 months 4 weeks ago • 524 views • 5:26

I'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 4 months 4 weeks ago • 148 views • 7:03

YT-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 7 months 3 weeks ago • 1,709 views • 14:09

As 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

"Grover gives one lucky person an outrageous home renovation! ..."

posted by ant 1 decade 1 year 3 weeks ago • 155 views • 4:52

YouTube 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 1 month 4 weeks ago • 448 views • 3:32

YouTube 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 ago • 1,437 views • 7:40

It'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 7 months 3 weeks ago • 2,237 views • 1:36