YouTube description: Terrified residents of Italian cities record messages to themselves 10 days ago, when the pandemic hadn't yet killed 1,809 people and infected more than 24,000 across the country.... continue reading
posted by Aard Vark (oritteropo) 4 years 1 month 2 weeks ago • 297 views • 3:31Videos (76) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading
posted by newtboy 4 years 4 months 3 weeks ago • 877 views • 3:16YouTube description: Hi :) I’m a student in Network & Systems Engineering (Robots, networks and programming and stuff) and I built a dinosaur in my spare time. I got the idea in my head, thought... continue reading
posted by Aard Vark (oritteropo) 4 years 7 months 2 weeks ago • 1,278 views • 2:37Learn about directing a film in Ron Howard’s first-ever online class. The two-time Academy Award winner has directed some of the most beloved movies of all time, including Splash, Parenthood, Apollo... continue reading
posted by BSR 4 years 10 months 2 weeks ago • 131 views • 1:59YouTube description: Dig in to the history of the Roman Empire’s staged gladiatorial naval battles and how they flooded the Colosseum to reenact famous battles. Starting in 80 CE, residents of... continue reading
posted by Aard Vark (oritteropo) 4 years 10 months 2 weeks ago • 428 views • 4:20YouTube description: Learn about the life and art of Mexican surrealist painter Frida Kahlo, who explored disability, relationships and Mexican culture in her work. -- In 1925, Frida Kahlo was... continue reading
posted by Aard Vark (oritteropo) 5 years 1 month 1 week ago • 152 views • 4:06YouTube description: A bisected grape in the microwave makes plasma. But how does it work? A grape is the right size and refractive index to trap microwaves inside it. When you place two (or two halves)... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months 2 weeks ago • 732 views • 8:16TOLKIEN explores the formative years of the orphaned author as he finds friendship, love and artistic inspiration among a group of fellow outcasts at school. This takes him into the outbreak of World War... continue reading
posted by newtboy 5 years 2 months 3 weeks ago • 18 views • 56 secsWhat do you get when you take a boxy little hatchback, replace the backseat with a high-performance engine, and add a turbo? You get one of the most badass pieces of automotive engineering thought up by... continue reading
posted by Joe Motion (lurgee) 5 years 2 months 3 weeks ago • 63 views • 13:02The Hunt-Lenox globe is the second-oldest surviving terrestrial globe and also the oldest known globe to depict the Americas. The globe is covered in hidden details, including the Latin phrase, HC SVNT... continue reading
posted by newtboy 5 years 3 months ago • 497 views • 2:26YouTube description: It takes blood, sweat, tears and a whole lot of long hours to be one of the best marching bands in the country. Just ask Abraham Duffie, Jr., head drum major for the Sonic Boom... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months ago • 808 views • 2:55YouTube description: Until the mid 1950’s, small short-range airliners like the twin engined IL-14 were really the only type the Soviet Union produced. And that meant flying across the country’s... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months 1 week ago • 426 views • 10:05YouTube description: A new technique is allowing researchers to study the inner workings of a cuttlefish brain by tracking colour changing cells in their skin. These cell are directly controlled by... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months ago • 462 views • 6:19YouTube description: View full lesson: https://ed.ted.com/lessons/what-really-happened-to-the-library-of-alexandria-elizabeth-cox 2,300 years ago, the rulers of Alexandria set out to fulfill a very... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months 3 weeks ago • 824 views • 4:53YouTube description: Fritz Lang directed an extremely innovated film in 1929 called Woman in the Moon. (Frau Im Mond in German). He hired rocket pioneer Hermann Oberth to be his technical director,... continue reading
posted by Aard Vark (oritteropo) 5 years 10 months 4 weeks ago • 339 views • 3:13YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 2 weeks ago • 308 views • 6:28Bill nominates, perhaps only provocatively, James Bosnack's cigarette machine as the invention with the greatest economic impact on the 20th century. Cigarettes, as compared to pipes and cigars, are and... continue reading
posted by bobknight33 6 years 2 months 3 weeks ago • 90 views • 2:41Copper has a unique effect with magnets. It is not magnetic itself but it will generate an electric field from a moving magnet and this field directly and immediately impacts the magnet.
posted by jmd 6 years 3 months ago • 236 views • 7:46YT: I built an A frame hut as a large work space for projects. First I made a celt hatchet to cut timber for the hut. The axe head was made of amphibolite and the handle was made of a species of wattle.... continue reading
posted by nanrod 6 years 3 months 2 weeks ago • 524 views • 9:05The landscape of Iceland has changed a lot in a thousand years. When the Vikings first arrived in the ninth century, the land was covered in 25 to 40 percent forest. Within a few centuries, almost all... continue reading
posted by newtboy 6 years 3 months 2 weeks ago • 801 views • 5:22