YouTube description: Even though you can see purple, there's no purple light. This also explains why we can use a colour wheel when the electromagnetic spectrum is linear. (H/T @eric3579)... continue reading
posted by Aard Vark (oritteropo) 5 years 3 weeks ago • 897 views • 4:52Videos (349) | Sift Talk (1) | Blogs (0) | Comments (1000) |
Is there a right way to ride an escalator? City escalator etiquette states that one side is for standers and the other for walkers. But is this the safest, most efficient way to ride an escalator?
posted by Mordhaus 5 years 1 month 1 week ago • 357 views • 6:26YT: 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 2 weeks ago • 446 views • 5:13YouTube description: Hi there! I'm (finally!) back with the first video of 2019 explaining what is Reggaeton, one of the most popular music genre today, now a real global phenomenon that regularly... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months ago • 378 views • 2:07YouTube description: There's an economic reason why everyone is going to Iceland lately. Gear I use https://goo.gl/qxMR2o Iz made a travel vlog from our trip too. It's good: https://youtu.be/01inM9Nc1bM ... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months ago • 606 views • 6:40YouTube description: Using machine-learning and sensory hardware, Alberto Rodriguez, assistant professor of mechanical engineering, and members of MIT's MCube lab have developed a robot that is learning... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months ago • 530 views • 1:21YouTube description: Babies and young kids are cast in movies just like adult actors, but there are special rules in place about how long they can be on set. Oftentimes, a director wants a baby to cry... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 1 week ago • 1,113 views • 4:11YT: We tend to think of fossils as dinosaur bones or petrified wood, but what if we told you that there's a lot we can learn from fossilized waste?
posted by Fantomas 5 years 3 months 2 weeks ago • 72 views • 11:54YouTube description: You probably know not to lick something unfamiliar. But there are actually a surprising number of discoveries that have been made because scientists licked things.... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 3 weeks ago • 768 views • 12:19YouTube description: Follow along as Julian Baumgartner of Baumgartner Fine Art Restoration in Chicago works to conserve and restore this icon of Ave Maria. This piece was likely created in a workshop... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 4 weeks ago • 417 views • 11:31Cutting down some leaning trees at a friends house. These cedar trees were healthy but too close for comfort and one was leaning. There are a lot of things that can go wrong with something like this, do... continue reading
posted by eric3579 5 years 4 months ago • 1,785 views • 7:59YouTube description: In 1958, scientists from Russia left a plastic bust of Vladimir Lenin at the Southern Pole of Inaccessibility, and as of 2007 it was still there. What does it mean? Guest host John... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months ago • 97 views • 8:10Out in the vast coldness of outer space, there are planets that travel alone through the darkness without the boundaries of a system. Here’s how this can happen – and why these frozen deserts might... continue reading
posted by w1ndex 5 years 4 months 1 week ago • 329 views • 8:25YouTube description: A launch mishap led to the best experimental confirmation of gravitational redshift. Huge thanks to Dr. Pacome Delva: https://ve42.co/pacome Dr. Sven Herrmann: https://ve42.co/sven ... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months 2 weeks ago • 815 views • 11:52YouTube description: There is a revolution in the Type 1 diabetes community and thousands of people are now hacking their insulin pumps for better blood sugar management. CNBC's Erin Black, who was... continue reading
posted by Aard Vark (oritteropo) 5 years 5 months 2 weeks ago • 761 views • 7:09YouTube description: How many tries does it take an average player to do what professional pool players do on the first try? Your Average Pool Player attempts Corey Deuel's famous 2004 US Open draw... continue reading
posted by Aard Vark (oritteropo) 5 years 5 months 3 weeks ago • 1,732 views • 5:07YouTube description: Comparing modern concrete to that of the western Roman empire. In this video, I discuss a few modern techniques that help improve design life of concrete, including roller compacted... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 1 week ago • 495 views • 9:34YouTube description: Hi there! I'm (finally!) back with a new video explaining what is swing, a form of popular music developed in the United States that dominated in the 1930s and 1940s. The amazing... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 1 week ago • 464 views • 2:01YouTube description: Inventor Manu Prakash thinks you can’t understand Earth’s big problems without looking at the (really) tiny things. So he created Foldscope: an origami microscope that brings... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 3 weeks ago • 138 views • 2:56YT: There's a reason music videos look strange. I could just talk about framerate, cuts and continuity... or I could get an actual music video director. And a leaf blower.
posted by Lumm 5 years 6 months 3 weeks ago • 388 views • 3:05