The 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 • 4:26Videos (28) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Red sprites, secondary jets and newly discovered green afterglow called "ghosts" triggered by red sprites. A dozen vibrant red sprites were recorded on this evening and only two events had the green afterglow.... continue reading
posted by newtboy 3 years 9 months 3 weeks ago • 985 views • 2:32From Youtube, "This video is part of a series about climate change supported by Breakthrough Energy – a coalition founded by Bill Gates, that is working to expand clean-energy investment and support... continue reading
posted by w1ndex 3 years 10 months 1 week ago • 82 views • 10:36NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has discovered “layers” and “rifts” in the electrically charged part of the upper atmosphere (the ionosphere) of Mars. The phenomenon... continue reading
posted by eric3579 4 years 3 months 1 week ago • 341 views • 2:19YouTube description: The history of the Earth from its formation to present day, covering major events throughout its 4-billion-year history. Estimates of average temperature, atmospheric composition,... continue reading
posted by Aard Vark (oritteropo) 4 years 4 months ago • 807 views • 11:36They're not the only ones. YouTube: On the 4th of July, Americans like to celebrate the things that make the United States unique, and a lot of those things have to do with our geography. That remarkable... continue reading
posted by PlayhousePals 5 years 11 months 4 weeks ago • 561 views • 3:49The European Space Agency (ESA) is part of an international effort to monitor and – ultimately – tackle space debris. This junk – accumulated in orbit since the dawn of the space age sixty years... continue reading
posted by newtboy 6 years 2 months 3 weeks ago • 136 views • 3:37Let's say you're traveling at 17,500 miles per hour (28,000 km/h) in low earth orbit, your main engines are out of fuel, and it's your job to guide the spaceship through a fiery re-entry without burning... continue reading
posted by Ashenkase 6 years 10 months ago • 114 views • 17:49YouTube: This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric... continue reading
posted by PlayhousePals 6 years 10 months ago • 582 views • 2:02The 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 10 months 1 week ago • 591 views • 4:35Humans 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 11 months 3 weeks ago • 107 views • 2:18"View full lesson: http://ed.ted.com/lessons/a-brief-history-of-goths-dan-adams What do fans of atmospheric post-punk music have in common with ancient barbarians? Not much ... so why are both known... continue reading
posted by ant 7 years ago • 25 views • 5:31Exploring a few innovations in nuclear power generation that could make new plants much safer...if we were still making new plants.
posted by newtboy 7 years ago • 629 views • 8:11Strangely makes me want a sweetened kids cereal now.
posted by Mordhaus 7 years 2 months 3 weeks ago • 494 views • 3:05Follow up to this video... https://videosift.com/video/Cold-Welding-in-Atmosphere He tests a couple of theories for it in a vacuum chamber.
posted by NaMeCaF 7 years 3 months ago • 27 views • 15:47"This is crazy cool."
posted by PlayhousePals 7 years 8 months 3 weeks ago • 252 views • 4:20YouTube: Radiation is all around us, and when you travel by plane, you’re exposed to cosmic radiation. So what does this mean for our health? Does air travel expose us to unsafe radiation levels? Check... continue reading
posted by PlayhousePals 7 years 9 months 1 week ago • 51 views • 2:29With all of the global warming a new threat has emerged, the release of methane gas, trapped in methane hydrates on ocean floors. It's release is often referred to as the 'methane bomb'. The last time... continue reading
posted by Mordhaus 7 years 9 months 3 weeks ago • 966 views • 8:37In the U.S., apple picking season is between August and November. The apples then go into atmosphere controlled cold storage where they hibernate for up to 12 months before being sold. (via digg)... continue reading
posted by Aard Vark (oritteropo) 7 years 10 months ago • 763 views • 5:18- 1
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