What's a "seal" anyway? You know, it's really unclear. Timestamps 0:00 Introduction 0:48 What Are Seals? 1:38 Where Can We Find Them? 2:05 Species of Seals 3:09 The Three Families 3:22 Odobenidae ... continue reading

posted by eric3579 9 months ago • 340 views • 25:39

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 9 months 2 weeks ago • 66 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 9 months 3 weeks ago • 262 views • 12:59

When a theory makes a prediction that disagrees with an experimental test, sometimes it means we should throw the theory away. But what if that theory has otherwise produced the most successful predictions... continue reading

posted by newtboy 9 months 3 weeks ago • 436 views • 12:36

Metals have a crystal structure. But they're not one big crystal, they're lots of small crystals called grains. The size of the grains affects the physical properties of the metal, like hardness, toughness,... continue reading

posted by newtboy 10 months ago • 135 views • 8:45

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 10 months 3 weeks ago • 472 views • 28:01

"Olympic sports are contested in the Summer Olympic Games and Winter Olympic Games. They are Summer Olympics and Winter Olympics. Besides, there are two more Olympics. They are Special Olympics and Paralympics.... continue reading

posted by ant 11 months 3 weeks ago • 15 views • 2:40

The multiverse hypothesis or theory holds that a group of multiple universes (possibly infinite universes) comprise everything that exists: The entirety of space, time, matter, energy, information, and... continue reading

posted by BSR 1 year 2 months 2 weeks ago • 143 views • 10:03

This video is about how physics dictates the design of modern windmills - why they are so big, have so few blades, and have such skinny blades.

posted by eric3579 1 year 5 months 2 weeks ago • 361 views • 3:27

https://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 2 years 1 week ago • 922 views • 7:59

Createk third-arm : Supernumerary robotic arm powered by magnetorheological clutches and an hydrostatic transmission. Fast enough to compensate for human motions while being safe for physical human-robot interaction. ... continue reading

posted by newtboy 2 years 1 month 4 weeks ago • 111 views • 2:51

From Youtube, "At this very second, you are on a narrow ledge between life and death. You probably don’t feel it, but there is an incredible amount of activity going on inside you. And this activity... continue reading

posted by w1ndex 2 years 3 months ago • 547 views • 11:31

YouTube description: This video demonstrate how differently the air spreads when coughing. This visualizes the high importance of the World Health Organization's behavioral recommendations for protection... continue reading

posted by Aard Vark (oritteropo) 2 years 4 months 3 weeks ago • 424 views • 1:09

From Youtube, "Dianna from Physics Girl visited CERN in Geneva Switzerland to find out what the detectors at the LHC are looking for, and dive into the fundamental question: what are particles? Creator/Host:... continue reading

posted by w1ndex 2 years 7 months 1 week ago • 294 views • 14:44

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 8 months 3 weeks ago • 982 views • 13:59

From Youtube, "Wine legs aka wine tears or wine fingers are stranger than they seem."

posted by w1ndex 2 years 9 months 3 weeks ago • 424 views • 10:25

We went inside this exclusive R&D lab to see an engineering marvel that's about to shake up Silicon Valley.

posted by bobknight33 2 years 9 months 3 weeks ago • 81 views • 11:52

YouTube description: Life is chemistry. From diatom to Diana, life is not a magical imbued trait, is a process of the physics of our universe. The precise and convoluted chemistry of life requires specific... continue reading

posted by Aard Vark (oritteropo) 2 years 10 months ago • 508 views • 10:13