From YouTube, In this lab, they use different flow visualization techniques to help detect contraband and residues and develop trace particle detection methods... Thanks to Rich Press and NIST for... continue reading
posted by w1ndex 1 year 3 months 3 weeks ago • 202 views • 21:48Videos (22) | Sift Talk (0) | Blogs (0) | Comments (1000) |
How Does Kodak Make Film Light Sensitive? (How Film is Made, Part 2) I had no idea Kodak uses LAMINAR FLOW to make film. Imagine my surprise when I walked in and saw this beautiful waterfall and realized... continue reading
posted by BSR 1 year 9 months ago • 32 views • 59:57In the fast-flowing streams of eastern Tennessee, Emilly Nolan is working hard to reestablish a population for a strange looking animal with an even stranger array of nicknames. The Eastern hellbender—aka... continue reading
posted by newtboy 4 years 3 months ago • 151 views • 6:51Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading
posted by newtboy 4 years 4 months ago • 877 views • 3:16From Youtube, "I bought 10,000 shade balls and tried to swim in them. They appear to act like a non-Newtonian fluid: rigid under high shear stress, but they flow like a liquid under low shear."
posted by w1ndex 4 years 10 months 1 week ago • 104 views • 10:42YouTube description: Engineers need to be able to predict how water will behave in order to design structures that manage or control it. And fluids don’t always behave the way you’d expect. On this... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months 2 weeks ago • 752 views • 8:43Romans used sealed aquaducts to span valleys too large for raised aquaducts.
posted by newtboy 5 years 7 months ago • 1,045 views • 1:36YouTube description: It’s an 1980s pop music cliche that dates back to 1910. If you listen to the first few seconds of Bruno Mars’ “Finesse” (hint: listen to the Cardi B remix) you’ll hear... continue reading
posted by Aard Vark (oritteropo) 5 years 11 months 1 week ago • 594 views • 9:26YouTube description: The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board... continue reading
posted by Aard Vark (oritteropo) 5 years 11 months 2 weeks ago • 808 views • 3:23YT: 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 2 months 4 weeks ago • 524 views • 9:05https://youtu.be/3ykkyTgLocA A geologist describes the types of lava flows found on Hawaii, including pahoehoe and aa, shows what happens when wood is introduced into pahoehoe lava, and shows why lava... continue reading
posted by Aard Vark (oritteropo) 6 years 4 months ago • 841 views • 8:41Visualizing traffic flow in different simulated junctions.
posted by Ashenkase 6 years 4 months 2 weeks ago • 1,703 views • 6:08I 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 5 months 3 weeks ago • 454 views • 5:46I built a water powered hammer called a “Monjolo”. I started by making a water spout from half a hollow log to direct water from the creek. This was set up in the creek and water flowed through it.... continue reading
posted by Joe Motion (lurgee) 6 years 11 months 3 weeks ago • 1,216 views • 8:51I built this pottery kiln and some pottery from termite mound clay to test an alternative clay source to my usual one from the creek bank. I started by making a large grate from ordinary clay. It was just... continue reading
posted by Mordhaus 7 years 3 weeks ago • 419 views • 11:27From NYT: "...a really big drain called a spillway. And once you see it full of spiraling water, it is hard to take your eyes off it. For the first time in a decade, January and February have brought... continue reading
posted by chicchorea 7 years 1 month 3 weeks ago • 1,883 views • 1:31This video is about why entropy gives rise to the arrow of time, and also how the initial low-entropy condition of the universe is responsible for the fact that we experience time right now, and how ultimately... continue reading
posted by Mekanikal 7 years 6 months 3 weeks ago • 42 views • 3:24"One day YOU will pay for the wall." YouTube: You Fools! You forgot about planes! We always forget about planes!
posted by PlayhousePals 7 years 6 months 3 weeks ago • 783 views • 5:43I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading
posted by Mordhaus 7 years 8 months 3 weeks ago • 1,388 views • 4:32YouTube: Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
posted by PlayhousePals 8 years 6 months 3 weeks ago • 779 views • 5:02- 1
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