When grown-up jellyfish love each other very much, they make huge numbers of teeny-tiny potato-shaped larvae. Those larvae grow into little polyps that cling to rocks and catch prey with their stinging... continue reading
posted by newtboy 1 month 2 weeks ago • 38 views • 4:39Videos (51) | Sift Talk (0) | Blogs (0) | Comments (1000) |
What 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 5 months 3 weeks ago • 131 views • 6:44"What different clouds mean, explained for kids. Welcome to our first-ever week of programming for kids! If you’re standing outside and you look up, you’ll likely see something familiar above... continue reading
posted by ant 3 years 7 months 3 weeks ago • 67 views • 8:03YouTube description: People use boats for all kinds of reasons, and in the same way, there are all kinds, shapes, sizes, and ages of locks used for waterway navigation across the world. Freight is big... continue reading
posted by Aard Vark (oritteropo) 4 years 2 weeks ago • 248 views • 10:37YouTube description: I got to see an Ocean Sunfish (Mola mola) up close and personal at the Monterey Bay Aquarium recently and I fell in love. These things are the superlative of superlatives. They... continue reading
posted by Aard Vark (oritteropo) 4 years 9 months 3 weeks ago • 1,838 views • 3:58"... The eyes are often the first thing we see when we look at someone. And when you look at them up close, everyone’s eye color is a kaleidoscope of shapes and hues. How does eye color work? The answer... continue reading
posted by ant 4 years 11 months 1 week ago • 543 views • 6:21According to a new report from the United Nations, our planet is in worse shape than at any other time in human history. The Trump Administration has done everything they can to do nothing about climate... continue reading
posted by newtboy 4 years 11 months 3 weeks ago • 1,059 views • 3:01YouTube description: Dams serve a wide variety of purposes from hydropower to flood control to storage of water for municipal and industrials uses. But when a dam’s useful purpose fades away, the... continue reading
posted by Aard Vark (oritteropo) 5 years 1 month ago • 1,291 views • 8:40YouTube description: Meet Z6, the portable and foldable robot for use in professional environments. With a very compact form factor, this robot can be easily and quickly carried in a backpack to... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 2 weeks ago • 307 views • 1:21--- Do earwigs climb into your ear? The quick answer is no. Earwigs are not interested in climbing into your ear to lay their eggs or otherwise. They’re no more likely than any other bug to accidentally... continue reading
posted by Mordhaus 5 years 6 months 1 week ago • 151 views • 4:21Real Engineering talks about a new wheel developed by NASA.
posted by w1ndex 5 years 7 months ago • 487 views • 9:23YouTube description: For the past 30 years, Paul Francis has been crafting the perfect sound, honing his skills at a company that has been in the business of making cymbals for 400 years. Making cymbals... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months 3 weeks ago • 831 views • 2:41"It’s more than just dancing around. ... If you’ve ever seen an orchestra perform you’ve probably had a difficult time looking away from the person dead center on the stage – the conductor. It’s... continue reading
posted by ant 5 years 9 months 1 week ago • 16 views • 4:42YouTube description: Amazing high resolution photos of the Earth should show that the earth is oblate, but it's hard to see because the difference is about 0.3%. So here's a quick demo highlighting the difference. ... continue reading
posted by Aard Vark (oritteropo) 5 years 10 months 3 weeks ago • 620 views • 1:43At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading
posted by Mordhaus 6 years 1 month 3 weeks ago • 406 views • 7:08YT: 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 1 week ago • 524 views • 9:05YT - Primitive Culture Published on Jan 18, 2018 My Video Show about Make the Kind of fish trap in the shape of a basket with a hole at the small end. the wide end is dropped over a school of fish to... continue reading
posted by Buck 6 years 3 months 1 week ago • 332 views • 10:58