Tesla turbines are far more efficient than bladed turbines and take less maintenance.
posted by newtboy 8 months ago • 310 views • 1:00Videos (57) | Sift Talk (0) | Blogs (0) | Comments (1000) |
The Rio Las Vacas in Guatemala is one of the most polluted rivers on earth. This small river is estimated to contribute 2% of the total plastic pollution we dump in the oceans yearly. The Ocean Cleanup... continue reading
posted by newtboy 10 months ago • 111 views • 52 secsThe 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 3 weeks ago • 83 views • 14:21Beau talks about the actual benefits of paying for Americans' education... - adds value and strength to our nation - higher quality of applicants (for everything) - improves capitalism (see above) ... continue reading
posted by luxintenebris 1 year 9 months 1 week ago • 241 views • 6:30Beau talks about America's waning military recruiting base and possible reasons why young Americans are deciding to not be all they can be.
posted by luxintenebris 1 year 10 months 1 week ago • 55 views • 9:32The Smithsonian Natural History Museum houses 147 million specimens — everything from pickled animals to priceless gems to dinosaur bones. But less than 1% of it's on display. The rest is hidden behind... continue reading
posted by eric3579 2 years 3 weeks ago • 59 views • 12:15The Omega 1 is not only much more powerful than existing technology, but it is also much more efficient. The Omega 1’s rotary mechanism is very efficient because it has very little friction and fluid... continue reading
posted by newtboy 2 years 3 months 1 week ago • 481 views"I’m vaccinated. I’m boosted. And I still got infected with the omicron variant of COVID-19. Here’s what I learned, and what it means for the possible end of this pandemic. References and sources:... continue reading
posted by ant 2 years 4 months 1 week ago • 106 views • 17:55The 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 2 weeks ago • 42 views • 4:26Penn state sociology prof tells students 'white people are dumb' and to 'be less white'.
posted by bobknight33 2 years 11 months 1 week ago • 74 views • 1:15“I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I... continue reading
posted by Joe Motion (lurgee) 4 years 12 months ago • 168 views • 20:41YouTube description: Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It's really effective, easy to use, and the price is great. Check out SimpliSafe... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months 3 weeks ago • 1,004 views • 12:52This successful test of the upgraded and now human rated Dragon capsule is the first step towards the USA being able to send astronauts to the ISS without hitching a lift on Russian Soyuz spacecraft. ... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months 4 weeks ago • 516 views • 4:57As America becomes more and more multicultural, Rich Benjamin noticed a phenomenon: Some communities were actually getting less diverse. So he got out a map, found the whitest towns in the USA — and... continue reading
posted by Ashenkase 5 years 7 months 1 week ago • 582 views • 13:02YouTube description: Inventor Manu Prakash thinks you can’t understand Earth’s big problems without looking at the (really) tiny things. So he created Foldscope: an origami microscope that brings... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months 3 weeks ago • 138 views • 2:56YouTube description: At 30-years-old, Yu Kikuchi was tired of his job. Working in an assembly line that made turbines, he was aching to find a new lease on life. So when he heard about 80-year-old master... continue reading
posted by Aard Vark (oritteropo) 5 years 7 months 3 weeks ago • 303 views • 2:46YouTube description: Less than 2 percent of the ocean floor has been explored by scientists. “Every time we go to the deep sea, we find new species of organisms,” explains geobiologist Victoria... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months ago • 129 views • 9:46The nutrient content of food is declining. Is it because of soil depletion, selective breeding, or... something else?
posted by nanrod 5 years 9 months 2 weeks ago • 580 views • 7:30Walt Disney World is smack dab in the middle of a swamp in a state that is, more or less, a big swamp itself. So with that in mind, why isn’t Walt Disney World swarming with mosquitoes?
posted by Mordhaus 5 years 11 months 3 weeks ago • 497 views • 6:29"Pill bugs. Doodle bugs. Potato bugs. Wood Shrimp. Whatever you call them, there’s something less creepy about these critters than other insects. Maybe it’s because they’re not insects at all..." ... continue reading
posted by ant 6 years 1 month ago • 519 views • 3:30