In this video I show you how magnetohydrodynamics work and how it can be used to make a real working device.
posted by newtboy 2 years 9 months 2 weeks ago • 431 views • 6:53Videos (462) | Sift Talk (1) | Blogs (0) | Comments (1000) |
Police video: Use of force incident at Walmart in East Syracuse NY
posted by bobknight33 2 years 9 months 3 weeks ago • 163 views • 6:44"The idea came to me in a dream I had this morning. I didn't really like how the classic Sesame Street "Ladybug's Picnic" song (a staple from my childhood) was performed on the new stop-motion version... continue reading
posted by ant 2 years 9 months 3 weeks ago • 33 views • 57 secsOne year ago, Spot graduated from its early adopter program and began shipping out to workplaces around the world. From construction sites and power plants to mines and universities, today Spot is up-and-running... continue reading
posted by newtboy 2 years 9 months 4 weeks ago • 117 views • 1:18You use those things pretty often but I bet you've never paid attention to some important detail. Here's a list of 65 everyday objects with hidden purpose most of us don't know.
posted by BSR 2 years 10 months ago • 23 views • 18:38YouTube description: Have you ever asked yourself what is going on when using a lighter? Let's go macro and see the process in detail with extreme slow motion. Filmed with Photron Fastcam at 20.000... continue reading
posted by Aard Vark (oritteropo) 2 years 10 months 3 weeks ago • 995 views • 1:23Imagine pole-vaulting across dangerous terrain, down steep slopes and ravines. "Salto del pastor"—translated from Spanish as "the shepherd's leap"—is just that. Now a folk sport and hobby, it was once... continue reading
posted by newtboy 2 years 12 months ago • 751 views • 3:53Beau explains why the strobe light the cop was using that shot Adam Toledo probably contributed to him firing on an unarmed child.
posted by w1ndex 3 years 1 week ago • 27 views • 4:11Here I describe direct biological connections between our breathing, our brain and our heart rate. This can be used to quickly de-stress or to increase energy and alertness. -yt
posted by eric3579 3 years 1 month ago • 566 views • 2:13What about the use of pumped hydro for energy storage?
posted by eric3579 3 years 2 months ago • 883 views • 16:53The EPIC OF GILGAMESH is the earliest great work of literature that we know of, and was first written down by the Sumerians around 2100 B.C. Ancient Sumer was the land that lay between the two rivers,... continue reading
posted by newtboy 3 years 3 months 4 weeks ago • 15 views • 3:56Zefrank looks at Army Ants and the beetles that co-exist with them. From Youtube, "Where to buy the Army Ants Book: https://amzn.com/067424155X True Facts Shirts: https://ze-true-store.myshopify.com/ ... continue reading
posted by w1ndex 3 years 4 months 1 week ago • 928 views • 9:28An amazingly thorough deep dive into the acoustic engineering, materials science, and construction of a beautiful pair of speakers. "We construct a pair of large Voigt speakers. I explain the principles... continue reading
posted by blacklotus90 3 years 5 months 3 weeks ago • 373 views • 52:56YouTube description: While clubs are practically synonymous with ankylosaurs, we’ve only started to get to the bottom of how they worked and how this unusual anatomy developed in the first place. ... continue reading
posted by Aard Vark (oritteropo) 3 years 6 months 2 weeks ago • 1,094 views • 9:31For anyone who doesn't want to watch to the whole thing, a useful thing I learned from the video: sour cream seems to be a poor choice.
posted by moonsammy 3 years 6 months 3 weeks ago • 67 views • 29:35YouTube description: The Roadmachines Mono-Rail may have been the only truly useful, fit-for-purpose monorail in the world. Of the hundreds that were built, most were never meant for passengers. But... continue reading
posted by Aard Vark (oritteropo) 3 years 7 months ago • 443 views • 3:24Does a green laser pointer stop working when it is cold? Or does it turn into an invisible laser? That is nice to know for safety reasons if you are using a green laser pointer to point out stars on a... continue reading
posted by blacklotus90 3 years 7 months 2 weeks ago • 811 views • 9:01From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading
posted by w1ndex 3 years 8 months 3 weeks ago • 55 views • 26:02https://www.iter.org/ In southern France, 35 nations* are collaborating to build the world's largest tokamak, a magnetic fusion device that has been designed to prove the feasibility of fusion as a... continue reading
posted by eric3579 3 years 8 months 4 weeks ago • 930 views • 7:59