From Youtube, "A general solution to the cubic equation was long considered impossible until we gave up the requirement that math reflects reality. Thanks to Dr. Amir Alexander, Dr. Alexander Kontorovich,... continue reading

posted by w1ndex 8 months ago • 65 views • 23:29

How does a uniform cable beneath a helicopter hang? The story of a controversial physics question on the qualifying exam for the 2014 US Physics Olympiad team.

posted by eric3579 8 months ago • 262 views • 12:59

From Youtube, "Bowling has been reinvented many times over the past seven thousand years but especially in the last 30. This is the fascinating physics of balls, oil, lane and pins. Huge thanks to... continue reading

posted by w1ndex 9 months ago • 471 views • 28:01

The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.

posted by eric3579 11 months ago • 1,255 views • 22:09

This is a bit of a mind-bender, but entirely worth the watch if you're at all interested in mathematics or computer science. Possibly even if you're not, but I'm uncertain. I had previously learned... continue reading

posted by moonsammy 1 year 1 month 1 week ago • 627 views

Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. -yt

posted by eric3579 1 year 7 months ago • 415 views • 20:06

From Youtube, "The logistic map connects fluid convection, neuron firing, the Mandelbrot set and so much more. Animations, coding, interactives in this video by Jonny Hyman

posted by w1ndex 2 years 5 months ago • 1,085 views • 18:39

Scientists like Prof Sinclair have evidence of speeding up, slowing, and even reversing aging.

posted by Mordhaus 2 years 6 months 2 weeks ago • 137 views • 21:10

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) 2 years 7 months 1 week ago • 982 views • 13:59

From 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 3 years 2 weeks ago • 102 views • 10:42

The Event Horizon Telescope Collaboration observed the supermassive black holes at the center of M87 and our Milky Way galaxy (SgrA*) finding the dark central shadow in accordance with General Relativity,... continue reading

posted by eric3579 3 years 2 months 2 weeks ago • 331 views • 5:24

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) 3 years 3 months 2 weeks ago • 1,000 views • 12:52

YouTube 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) 3 years 4 months 1 week ago • 730 views • 8:16

YouTube description: Behind the Scenes: https://youtu.be/3HABgm-UUi0 Download Skunkworks! http://www.audible.com/Smarter ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION Check out Derek's video... continue reading

posted by Aard Vark (oritteropo) 3 years 6 months ago • 853 views • 11:21

YouTube 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) 3 years 6 months 1 week ago • 815 views • 11:52

From 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 3 years 9 months 3 weeks ago • 382 views • 4:46