1min 44sec clip - ABSTRACT OCEAN VIEWS – Calming Waves on Black Sand (4K Drone / Iceland)

found via laughingsquid

#infographic Vibrations / frequency / cycles / waves / rate

Vibrations / frequency / cycles / waves / rate

data https://t.co/0HttP1CJDi pic.twitter.com/jXv7t86DLV

— Information is Beautiful (@infobeautiful) January 10, 2025

1min 45sec clip - Pendulum waves

Found via Azeem Azhar’s Weekly Wondermissive: Future, Tech & Society

Text from youtube "Fifteen uncoupled simple pendulums of monotonically increasing lengths dance together to produce visual traveling waves, standing waves, beating, and (seemingly) random motion.

The period of one complete cycle of the dance is 60 seconds. The length of the longest pendulum has been adjusted so that it executes 51 oscillations in this 60 second period. The length of each successive shorter pendulum is carefully adjusted so that it executes one additional oscillation in this period. Thus, the 15th pendulum (shortest) undergoes 65 oscillations.

Our apparatus was built from a design published by Richard Berg [Am J Phys 59(2), 186-187 (1991)] at the University of Maryland. The particular apparatus shown here was built by our own Nils Sorensen.

Video courtesy of Harvard Natural Sciences Lecture Demonstrations, © 2010 President and Fellows of Harvard College

5min 24sec @TEDEd clip - What are #gravitational waves? - Amber L. Stuver

Text from you tube "In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains. "

1min 28sec @wef clip - 100 years ago Albert #Einstein predicted the existence of #gravitational waves