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Category Archives: Technology
Spinning Flax (1940-1949)
British Instructional Films presentation. Man holds a bunch of flax out towards the camera. Two men work with large bundles of flax, separating it into smaller bunches. Man lifts large bundles onto a barrow. The fibres are combed by … Continue reading
The Case For Hydrogen – With Matt Ferrell | Answers With Joe
Big thanks to Matt Ferrell for guest hosting this episode! Much has been made about hydrogen fuel cells and their use in cars, but there are many other uses for hydrogen that make more sense. We examine those in today’s … Continue reading
They Did It! NASA’s Helicopter Actually Flew on Mars!
Hello and welcome! My name is Anton and in this video, we will talk about the uncredible success of NASA’s Perseverance mission – the helicopter actually flew! NASA stream: https://www.youtube.com/watch?v=p1Kol… Mission: https://mars.nasa.gov/technology/heli… Paper: https://arxiv.org/abs/2102.04181 Images: Sean McGrath from Saint John, … Continue reading
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Tagged design, Environment, infrastructure, science, Technology
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Whitest Paint Ever Developed Could Help Slow Global Warming
Professor Xiulin Ruan with a sample of the whitest paint yet developed. (Photo: Jared Pike/Purdue University) “Painting 0.5-1% of the Earth’s surface (roofs, roads, cars, unused land, etc) with our paint will stop the warming trend.” Combatting the rise in … Continue reading
Ecosia – Weird Search Requests
Ecosia is an alternative search engine that has managed to find an interface between environmental activism and internet activism. Search queries become trees and you plant them without realizing it. The lethargy with which we allegedly walk through life as … Continue reading
The REAL Answer To The Viral Chinese Math Problem “How Old Is The Captain?”
Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to French researchers in 1979. In this video I present the real … Continue reading
See the European Service Modules taking humankind forward to the Moon
From the @Airbus integration halls in Bremen, Germany, this replay of a live event shows a sneak peek of the two European Service Modules that will power astronauts to the Moon and back as part of @NASA’s Orion spacecraft. Orion … Continue reading
Easy Percentage Trick you were Never Taught at School!
This percentage trick is so easy – but you probably don’t know it…because, let’s face it, you were not paying attention in school when the teacher told you! That’s OK – youtube and tecmath has your back – with this, … Continue reading
Ted Chiang: Fears of Technology Are Fears of Capitalism | Kottke
posted by Jason Kottke Apr 02, 2021 Writer Ted Chiang (author of the fantastic Exhalation) was recently a guest on the Ezra Klein Show. The conversation ranged widely — I enjoyed his thoughts on superheroes — but his comments … Continue reading
A new vision of sustainability, 700 years old | Mananui Ramsden | TEDxChristchurch
In August 2019, the I.P.C.C. issued a report saying, “Agricultural practices that include indigenous and local knowledge can contribute to overcoming the combined challenges of climate change, food security, biodiversity conservation, and combating desertification and land degradation.” This insight came … Continue reading
High School Senior Creates Surgical Sutures That Alert Infection
“I've done a lot of racial equity work in my community…So when I was presented with this opportunity to do research, I couldn't help but go at it with an equity lens.” #RegeneronSTS finalist Dasia Taylor talks with @SmithsonianMaghttps://t.co/UubGBcWmbS — … Continue reading
Giant 3D-printer builds a TWO-STORY house in one piece 🏡
Belgian company Kamp C recently finished construction of its first 3D-printed two-story house. The house was printed by a machine called the BOD2, made by a company called COBOD (Construction of Buildings on Demand).
