From youtube: We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral... there's an... continue reading

posted by noims 2 months 2 weeks ago • 32 views • 5:30

In this video, we explore the fascinating story of the Brennan Monorail, an innovative train from the early 1900s designed by Louis Brennan. This monorail defied conventional physics by balancing on a... continue reading

posted by newtboy 11 months 1 week ago • 84 views • 8:33

Odd how often those tasked with enforcing the law break them. 18 U.S. Code § 700 - Desecration of the flag of the United States; penalties (1) Whoever knowingly mutilates, defaces, physically defiles,... continue reading

posted by newtboy 1 year 5 months 2 weeks ago • 25 views • 59 secs

YouTube description: Adam Savage visits one of the world's most joyful places: Jim Henson's Creature Shop! While there, veteran puppeteers John Tartaglia and Donna Kimball use Gobo and Mokey Fraggle... continue reading

posted by Aard Vark (oritteropo) 1 year 6 months ago • 134 views • 21:30

What If you took the celestial bodies that have elements names for them (Mercury, Ceres, Uranus, Neptune, Pluto), and made them entirely composed of those elements? Minute physics animates and presents... continue reading

posted by noims 2 years 3 months ago • 29 views • 3:41

I show you what the delayed choice experiment looks like in real life

posted by newtboy 2 years 3 months 3 weeks ago • 75 views • 5:40

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 3 years 1 month 1 week ago • 345 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 3 years 1 month 2 weeks ago • 68 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 3 years 1 month 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 3 years 1 month 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 3 years 2 months 1 week 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 3 years 2 months 3 weeks ago • 485 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 3 years 3 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 3 years 6 months 3 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 3 years 9 months 3 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 4 years 4 months 3 weeks ago • 931 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 4 years 6 months 1 week ago • 123 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 4 years 7 months 2 weeks ago • 560 views • 11:31