I'd never heard of moiré effect beacons until I got an email asking me about them. It seemed like a really clever idea - but it was really hard to research. Or at least it was, until I stumbled upon one... continue reading
posted by Mordhaus 6 years 1 month 3 weeks ago • 1,223 views • 3:54Videos (88) | Sift Talk (0) | Blogs (0) | Comments (1000) |
I 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 5 months 4 weeks ago • 454 views • 5:46YouTube description: On the river Rhine in Switzerland, there are reaction ferries: boats with no engine, no paddles, no onboard motive power at all. Here's how they work -- and a question about what... continue reading
posted by Aard Vark (oritteropo) 6 years 6 months 3 weeks ago • 601 views • 2:30In Crawfordsville, Indiana, there's a rotary jail: an invention that, with hindsight, should probably never have been built. But it was, here and in other towns across the United States. It might have... continue reading
posted by Mordhaus 6 years 7 months 1 week ago • 753 views • 3:17The future of train transportation might be pneumatic tubes and magnets. Meet the 89-year old entrepreneur who wants to disrupt the railroad with a modern twist on a very old train idea.
posted by Mordhaus 6 years 9 months 2 weeks ago • 591 views • 4:35Uhoh YouTube: Prescription drugs are pretty awesome. They improve lives all the time. But it is possible to take too many. Over time, as patients are prescribed more an more ongoing medications, it's... continue reading
posted by PlayhousePals 6 years 10 months ago • 80 views • 6:59I 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 10 months 3 weeks ago • 16 views • 10:29Humans emit roughly 30 to 40 billion tons of the greenhouse gas, carbon dioxide, into the atmosphere each year. If we keep it up, Earth will continue to heat up and ultimately devastate our way of life. ... continue reading
posted by newtboy 6 years 10 months 4 weeks ago • 107 views • 2:18The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading
posted by Mordhaus 6 years 11 months 1 week ago • 134 views • 10:14YouTube description: Why so many languages invented words for colors in the same order. Subscribe to our channel! http://goo.gl/0bsAjO In 1969, two Berkeley researchers, Paul Kay and Brent Berlin,... continue reading
posted by Aard Vark (oritteropo) 6 years 11 months 2 weeks ago • 634 views • 6:45Star Talk host, Hayden Planetarium director, and astrophysicist extraordinaire Neil deGrasse Tyson has a brilliant knack for breaking down big scientific ideas to the masses. But can he keep his facts... continue reading
posted by Mordhaus 6 years 11 months 2 weeks ago • 96 views • 26:04YouTube: You probably know where to pump the cheapest gas and how to get price comparisons online in seconds for headphones and cars. But how would you find the best deal on an M.R.I. or a knee replacement?... continue reading
posted by PlayhousePals 6 years 11 months 2 weeks ago • 82 views • 6:09Brilliant Earth has scammed thousands of customers They claim to: 1) Provide their customers with the exact origin of their diamonds, and 2) Track their diamonds from mine to consumer- making sure... continue reading
posted by Mordhaus 6 years 12 months ago • 1,739 views • 5:02I've always wondered what would happen if you lined up 10 megaphones in a row and yell into them, today I put that idea to the test!
posted by Mordhaus 7 years ago • 119 views • 7:13The Magnus effect is an amazing phenomena: It can lift rotating objects up into the air, seemingly defeating gravity. Bruce Yeany brought out a cool video showing how to make flyers from paper cups... continue reading
posted by Mordhaus 7 years ago • 583 views • 6:40YouTube description: Should we double down or give up and go our separate ways? This video will probably not make everybody happy. Probably for completely opposite reasons. Some people want less... continue reading
posted by Aard Vark (oritteropo) 7 years 1 week ago • 458 views • 7:42John Oliver is not afraid to put his money where his mouth is. Back in February, realizing that President Trump gets most of his ideas from cable news, the Emmy-winning Last Week Tonight host purchased... continue reading
posted by newtboy 7 years 2 weeks ago • 601 views • 1:37No idea what this is from, but I wish this would happen every time someone selfishly cuts a line thinking their time is more important than everyone else's.
posted by newtboy 7 years 3 weeks ago • 2,882 views • 52 secsFrom YouTube: "SAFETY FIRST!!!!! Extremely Dangerous Experiment, I hold no responsibility for your actions!!!!! DEAD SHORTING A BATTERY IS NOT GOOD!!!!!!!! BE CAREFUL!!!! This is an extremely easy... continue reading
posted by chicchorea 7 years 1 month ago • 22 views • 10:01We love wood here at The Slingshot Channel. It is our most important raw material by a great margin. When we found this 20" piece of European Dogwood (Cornus Sanguinea) while cleaning up the shed, we immediately... continue reading
posted by Mordhaus 7 years 1 month ago • 203 views • 13:07