YT: 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 • 9:05Videos (182) | Sift Talk (0) | Blogs (0) | Comments (1000) |
"COSMOS is back with an all-new season! FOX and National Geographic TV’s Emmy-award winning event series returns with host Neil deGrasse Tyson in Spring 2019. The new season, COSMOS: Possible Worlds,... continue reading
posted by ant 6 years 3 months 2 weeks ago • 24 views • 21 secsFrom YT: 2014Footage of the rare event when the Space Station crosses the face of the Moon. The station flies at a speed of 30000km/h, meaning it takes about half a second to traverse the Lunar face.... continue reading
posted by Nephelimdream 6 years 5 months ago • 734 views • 1:12"... Read more about the concept of non-state spaces: https://goo.gl/UsgDDy For thousands of years, humans have drawn lines on the earth, dividing the planet into nations. But there are some parts of... continue reading
posted by ant 6 years 5 months 1 week ago • 22 views • 13:27I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading
posted by Mordhaus 6 years 6 months 1 week ago • 454 views • 5:46Last year LIGO announced the detection of gravitational waves from the merger of two black holes. The science world went a little crazy. Only a few weeks ago a new rumour emerged: that LIGO had, for the... continue reading
posted by Mordhaus 6 years 7 months 3 weeks ago • 151 views • 15:51Computers store text (or, at least, English text) as eight bits per character. There are plenty of more efficient ways that could work: so why don't we use them? And how can we fit more text into less... continue reading
posted by Mordhaus 6 years 7 months 3 weeks ago • 64 views • 6:31Destin and friends calculate where best to catch the ISS transitting the sun during the 2017 eclipse.
posted by nanrod 6 years 8 months 2 weeks ago • 754 views • 8:39This is very much not how I remember it being reported around the time of the repair mission. I'm sure that at the time it was incorrectly reported as being due to the effect of grinding the mirror under... continue reading
posted by Aard Vark (oritteropo) 6 years 9 months ago • 1,190 views • 7:52YouTube: This video is about the local and global geometry and curvature of space and spacetime, aka, is space flat? Negatively curved? Positively curved? etc.
posted by PlayhousePals 6 years 9 months 2 weeks ago • 317 views • 3:39Let'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 9 months 2 weeks 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 9 months 2 weeks ago • 582 views • 2:02YouTube description: The Park-Car was invented by Brooks Walker in the 1930s and patented in the 1950s. The car included a fifth wheel that allowed it to rotate in and out of parking spaces, as well... continue reading
posted by Aard Vark (oritteropo) 6 years 10 months 2 weeks ago • 500 views • 1:31YouTube: Some people can identify a pitch without even looking at sheet music. Is it something they're born with or can it be learned?
posted by PlayhousePals 6 years 11 months ago • 266 views • 2:56Humans 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 1 week ago • 107 views • 2:18Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading
posted by Mordhaus 6 years 11 months 2 weeks ago • 541 views • 8:11I couldn't find any info on any projects like this, so I thought I would have a try myself. I thought an oven would be the perfect platform, it already has a door, space for insulation, and comes with... continue reading
posted by Mordhaus 6 years 11 months 2 weeks ago • 15 views • 7:48Neil deGrasse Tyson sits down with Matt to discuss Ancestor Simulations.
posted by Mordhaus 6 years 12 months ago • 19 views • 16:28