Reaching the Andromeda Galaxy in Just a Minute! Brian Cox discusses the concept of time and distance contraction at speeds close to the speed of light. He explains that for objects moving near light... continue reading
posted by BSR 4 days 15 hours 39 minutes ago • 88 viewsVideos (29) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Neil deGrasse Tyson Explain What Happen If Earth Stopped Rotating
posted by BSR 6 months 1 week ago • 64 views • 1:01From YouTube, "The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions... continue reading
posted by w1ndex 2 years 1 week ago • 354 views • 11:59This month a paper came out that honestly chilled me. It was about tipping points in climate - a well-known concept that the climate can change abruptly if certain conditions are met in certain elements... continue reading
posted by newtboy 2 years 1 month 1 week ago • 78 views • 11:01“Most of us can’t imagine what it will be like when the whole ocean system collapses,” says Colin Angus, CTO and cofounder Open Ocean Robotics, a tech startup that makes autonomous boats. The... continue reading
posted by newtboy 2 years 7 months 4 weeks ago • 295 views • 8:44Physicist Professor Brian Cox breaks down what would ACTUALLY happen if a gigantic comet really was hurtling towards planet Earth.
posted by eric3579 2 years 10 months ago • 281 views • 14:23From Youtube, "Let us explore the scientific mystery of what would happen to you if Earth suddenly turned into gold! The “Midaspocalypse”, based on the ancient tale of King Midas who was cursed so... continue reading
posted by w1ndex 3 years 7 months 3 weeks ago • 80 views • 9:17Red 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 4 years 3 months ago • 985 views • 2:32YouTube 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 9 months 2 weeks ago • 808 views • 11:36YouTube description: Something about the Apollo missions always confused me, sure, the step off of the lunar lander’s 91 cm footpad was a small step, but the step just before that was actually enormous! ... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 2 weeks ago • 483 views • 14:48The Pan Galactic Gargle Blaster is considered by the Hitchhiker's Guide To The Galaxy to be the "best drink in existence". While almost impossible to make on planet Earth, I needed to see if its effects... continue reading
posted by Mordhaus 7 years 1 month 1 week ago • 24 views • 6:55What if the Sun was here on Earth?
posted by w1ndex 7 years 1 month 3 weeks ago • 657 views • 7:01YouTube: Go see if Eons is for you: http://www.youtube.com/eons Other cool things about Trilobites People have been collecting them for at least tens of thousands of years, as they've been found in... continue reading
posted by PlayhousePals 7 years 4 months ago • 105 views • 3:39Most of us think about erosion on the surface of the earth, but erosion can occur in the subsurface as well. In fact, scientist and engineers have a very creative name for just such a process: internal... continue reading
posted by Mekanikal 7 years 4 months ago • 105 views • 6:41Humans 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 7 years 5 months ago • 107 views • 2:18YouTube description: Google Earth is the most photorealistic, digital version of our planet. But how?! Where do the images come from? How are they they put together? And how often are they updated?... continue reading
posted by Aard Vark (oritteropo) 7 years 6 months 1 week ago • 678 views • 8:09If 100 people lived on Earth ...
posted by Warren E. Hale (MrFisk) 7 years 7 months 1 week ago • 396 views • 2:19YouTube description: In Bremen, Germany, there's a tower more than a hundred metres high: it's called the Fallturm, or the Drop Tower. If you want a cost-effective way to test an experiment in microgravity... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months 2 weeks ago • 299 views • 4:02- 1
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