Magnetohydrodynamic thrust uses no moving parts in order to accelerate water. It has been known for half a century, but it may be possible that we're only now beginning to explore it for use in Marine... continue reading
posted by newtboy 7 months 2 weeks ago • 275 views • 12:11Videos (75) | Sift Talk (0) | Blogs (0) | Comments (1000) |
The F-15 was born from the difficult lessons learned during the Vietnam War. In the late 1950s, Air Force planners were confident that the advent of powerful new radars and long-range air-to-air missiles... continue reading
posted by eric3579 1 year 1 month 1 week ago • 83 views • 14:21UC Davis and other institutions have been experimenting with seaweed added to cattle feed to reduce methane emissions. Results are very encouraging, showing reductions in methane production from between... continue reading
posted by newtboy 1 year 4 months 2 weeks ago • 145 views • 1:31From YouTube, "A CSB safety video about the June 21, 2019, fire, explosions, and toxic hydrofluoric acid (HF) release at the Philadelphia Energy Solutions refinery in Philadelphia, Pennsylvania. A severely... continue reading
posted by w1ndex 1 year 6 months 3 weeks ago • 260 views • 18:02The magnificent Azorella compacta may look odd as hell, but this matter Seussian "rug" form is actually quite common among Alpine plants - plants from very high elevations or very high latitudes. It is... continue reading
posted by eric3579 1 year 9 months 2 weeks ago • 361 views • 2:59The world remains in a state of shock after spectacular satellite images of an undersea volcano erupting on the island of Tonga left a giant mushroom cloud in the Pacific region. With shocking visuals... continue reading
posted by eric3579 2 years 4 months ago • 42 views • 4:26Dorothea Lange’s photos of the incarceration of Japanese Americans went largely unseen for decades. US President Franklin D. Roosevelt passed Executive Order 9066 in February 1942 — two months... continue reading
posted by eric3579 2 years 4 months 1 week ago • 82 views • 14:39What is you could solve the shape puzzle with only one piece instead of 3? Modelling using Boolean Intersections may be rarely used, but the results are really interesting and well worth experimenting with!
posted by newtboy 2 years 6 months 2 weeks ago • 131 views • 6:44When a theory makes a prediction that disagrees with an experimental test, sometimes it means we should throw the theory away. But what if that theory has otherwise produced the most successful predictions... continue reading
posted by newtboy 2 years 7 months ago • 436 views • 12:36YouTube description: Insane Floating Tensegrity Chair If you have ropes and wood - you can build floating tensegrity chair based on tension! It was pretty difficult project, but result is amazing! ... continue reading
posted by Aard Vark (oritteropo) 3 years 7 months 3 weeks ago • 1,477 views • 4:40From 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 9 months 2 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 9 months 3 weeks ago • 930 views • 7:59From Youtube, "The launch of SpaceX's DM-2 mission taking NASA astronauts to the Space Station was the culmination of years of development, and more importantly years of political and management decisions... continue reading
posted by w1ndex 3 years 11 months 3 weeks ago • 45 views • 15:55In the debut episode of the Logistics of D-Day we explore the logic and planning that resulted in Normandy being chosen as the location for the largest amphibious invasion in the history of human kind. -yt
posted by eric3579 4 years 2 weeks ago • 803 views • 14:54Writing in the Geophysical Research Letters, NASA says a review of Voyager 2’s old data from 1986 showed that Uranus vented a giant blob of gas into space. This pocket of ionized gas, a plasma structure... continue reading
posted by newtboy 4 years 3 weeks ago • 1,135 views • 6:40YouTube description: The story of Apollo 13 goes beyond a tale of survival. The mission also successfully completed a science investigation that is still helping to inform our understanding of the Moon... continue reading
posted by Aard Vark (oritteropo) 4 years 1 month 2 weeks ago • 69 views • 2:46YouTube 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 8 months ago • 1,278 views • 2:37YouTube description: A short video of the result :) Thanks for watching! Like, comment, subscribe! Instagram: https://www.instagram.com/kris.temmerman/ check out the previous video: https://youtu.be/E_6e71BJOzM... continue reading
posted by Aard Vark (oritteropo) 5 years 1 month 2 weeks ago • 339 views • 2:51CBC Marketplace investigates the science and marketing behind popular DNA ancestry kits. Host Charlsie Agro and her identical twin sister Carly test five top brands. Find out why ancestry test kits are... continue reading
posted by eric3579 5 years 4 months ago • 1,656 views • 21:15YouTube description: Follow along as Julian Baumgartner of Baumgartner Fine Art Restoration in Chicago works to conserve and restore this icon of Ave Maria. This piece was likely created in a workshop... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months 2 weeks ago • 417 views • 11:31