Precious samples collected from an asteroid are to be moved to a specialist laboratory in Texas. Material taken from what has been described as “the most dangerous rock in our Solar System” came... continue reading
posted by newtboy 7 months ago • 123 views • 2:48Videos (45) | Sift Talk (0) | Blogs (0) | Comments (1000) |
An amazingly thorough deep dive into the acoustic engineering, materials science, and construction of a beautiful pair of speakers. "We construct a pair of large Voigt speakers. I explain the principles... continue reading
posted by blacklotus90 3 years 5 months 3 weeks ago • 373 views • 52:56From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading
posted by w1ndex 3 years 8 months 2 weeks ago • 55 views • 26:02NightHawkInLight attempts to recreate a lost supermaterial called Starlite that supposedly died with its inventor.
posted by w1ndex 3 years 8 months 2 weeks ago • 72 views • 21:15https://www.iter.org/ In southern France, 35 nations* are collaborating to build the world's largest tokamak, a magnetic fusion device that has been designed to prove the feasibility of fusion as a... continue reading
posted by eric3579 3 years 8 months 3 weeks ago • 930 views • 7:59YouTube description: Tejas Sidnal is an architect who believes people in his profession have a responsibility to rid the world of air pollution. Which is why he founded Carbon Craft Design, a startup... continue reading
posted by Aard Vark (oritteropo) 3 years 9 months 3 weeks ago • 85 views • 2:25YouTube description: The story of Apollo 13 goes beyond a tale of survival. The mission also successfully completed a science investigation that is still helping to inform our understanding of the Moon... continue reading
posted by Aard Vark (oritteropo) 4 years 2 weeks ago • 69 views • 2:46YouTube description: Hi :) I’m a student in Network & Systems Engineering (Robots, networks and programming and stuff) and I built a dinosaur in my spare time. I got the idea in my head, thought... continue reading
posted by Aard Vark (oritteropo) 4 years 7 months ago • 1,278 views • 2:37YT: The Forbes Pigment Collection, at the Harvard Art Museums, is a collection of pigments, binders, and other art materials for researchers to use as standards: so they can tell originals from restorations... continue reading
posted by Fantomas 5 years 1 month ago • 446 views • 5:13YouTube description: Until the mid 1950’s, small short-range airliners like the twin engined IL-14 were really the only type the Soviet Union produced. And that meant flying across the country’s... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 3 weeks ago • 426 views • 10:05Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.
posted by Mekanikal 5 years 9 months 2 weeks ago • 777 views • 3:10YouTube description: Ferrofluid is a bizarre, NASA-engineered material that was created for spaceships but never used. In this “lab practical” video, we’ll put ferrofluid through its paces, and... continue reading
posted by Aard Vark (oritteropo) 5 years 10 months 2 weeks ago • 674 views • 4:26Concrete's greatest weakness is its tensile strength, which can be less than 10% of its compressive strength. So, we often reinforce it to create a composite material strong against all types of stress.... continue reading
posted by Mordhaus 5 years 12 months ago • 362 views • 8:11YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 1 week ago • 308 views • 6:28Plywood is a simple material made by glueing together thin sheets of wood, known as veneers or plies. These basic elements have remained broadly the same throughout its history. The most significant breakthrough... continue reading
posted by Mordhaus 6 years 7 months 1 week ago • 1,947 views • 6:44YT: The National Institute of Standards and Technology, NIST, sells Standard Reference Materials, or SRMs for short. They're analysed, quantified, and certified substances: everything from metals, to elements,... continue reading
posted by Fantomas 6 years 7 months 4 weeks ago • 474 views • 4:13This 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 8 months 3 weeks ago • 1,190 views • 7:52YouTube: You might not need to throw away your broken glasses and get new ones anymore, thanks to these unique materials that can heal themselves!
posted by PlayhousePals 6 years 11 months ago • 287 views • 4:21I 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 1 week ago • 15 views • 7:48I 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 12 months ago • 1,216 views • 8:51