YouTube description: Why does shaken soda explode? Does ice melt first in fresh or salt water? This video features experiments that have been shown to me by science teachers over the years. Does... continue reading
posted by Aard Vark (oritteropo) 4 years 6 months ago • 991 views • 13:59Videos (28) | Sift Talk (0) | Blogs (0) | Comments (1) |
YouTube description: Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It's really effective, easy to use, and the price is great. Check out SimpliSafe... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months 1 week ago • 1,004 views • 12:52YouTube description: A bisected grape in the microwave makes plasma. But how does it work? A grape is the right size and refractive index to trap microwaves inside it. When you place two (or two halves)... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months ago • 732 views • 8:16YouTube 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 5 months ago • 815 views • 11:52From youtube: UV at ground level is non-ionizing but it damages DNA and causes photoaging - how? Also, it turns out glass doesn't block all UV (specifically UVA passes through). This is something I learned... continue reading
posted by nanrod 5 years 8 months 3 weeks ago • 383 views • 4:46The nutrient content of food is declining. Is it because of soil depletion, selective breeding, or... something else?
posted by nanrod 5 years 9 months ago • 580 views • 7:30A video about the full length video "Vitamania" with Derek Muller of Veritasium as executive producer and host, including a trailer for Vitamania. You can watch "Vitamania" for a fee on various sites... continue reading
posted by nanrod 5 years 9 months 1 week ago • 408 views • 4:58YouTube: An experiment on how turbulent convection in Earth's core makes a magnetic field
posted by PlayhousePals 5 years 10 months 1 week ago • 776 views • 8:27In which Derek drives a replica of the first internal combustion engine car patented by Karl Benz in 1886 and talks about how cars have improved since then (claims about Nazi speed records on public roads... continue reading
posted by Aard Vark (oritteropo) 6 years 6 months ago • 476 views • 9:14YouTube description: These are the molecular machines inside your body that make cell division possible. Animation by Drew Berry at the Walter and Eliza Hall Institute of Medical Research. http://wehi.tv ... continue reading
posted by Aard Vark (oritteropo) 6 years 6 months ago • 1,063 views • 6:21YouTube: The merging of two neutron stars was detected by gravitational waves and then by telescopes in all parts of the electromagnetic spectrum. This is a historic detection as it demonstrates: - the... continue reading
posted by PlayhousePals 6 years 7 months 1 week ago • 1,229 views • 5:26YouTube description: How Schlieren imaging works in color, black and white and slow-mo. Filming by Raquel Nuno Sound Effects by A Shell in the Pit (H/T @eric3579)... continue reading
posted by Aard Vark (oritteropo) 6 years 7 months 3 weeks ago • 311 views • 8:59YouTube: I came across these four physics puzzles over the years in discussions with Neil deGrasse Tyson (riddle 4: which part(s) of a moving train are going backwards with respect to the ground?), Simon... continue reading
posted by PlayhousePals 7 years 1 month 1 week ago • 1,232 views • 4:24YouTube: How the brain works, how we learn, and why we sometimes make stupid mistakes.
posted by PlayhousePals 7 years 2 months 3 weeks ago • 764 views • 12:10YouTube: For a long time we thought the Moon was completely dry, but it turns out there are actually three sources of lunar water.
posted by PlayhousePals 7 years 3 months 2 weeks ago • 385 views • 6:04YouTube: Spinning magnets near copper sheets create levitation!
posted by PlayhousePals 7 years 3 months 3 weeks ago • 290 views • 6:19YouTube: Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules.
posted by PlayhousePals 7 years 5 months 2 weeks ago • 1,637 views • 7:09YouTube: The crazy story of the arbitrary temperature scale used in a tiny minority of countries.
posted by PlayhousePals 7 years 5 months 3 weeks ago • 665 views • 5:24YouTube: All the large-scale structure in the universe may owe its existence to nothing.
posted by PlayhousePals 7 years 7 months 3 weeks ago • 264 views • 5:31YouTube: Virtual particles are a way of talking about fields and their interactions as though particles are doing all the work. This is why there is some controversy around using the term 'virtual particles'.... continue reading
posted by PlayhousePals 7 years 8 months 2 weeks ago • 26 views • 8:43- 1
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