35:20

Transverse Waves on a String Problems

2:11:45

EM Waves

15:26

I did the double slit experiment at home

7:47:08

ADHD Relief Music: Studying Music for Better Concentration and Focus, Study Music

15:58

Republicans Slobber Over Trump Address, He Lies About Transgender Mice & We Hire a Fired Fed Worker

21:25

How Every Country Got Nuclear Weapons Explained

25:59

Lawrence: Canada's Trudeau humiliates 'cowardly' Trump who backs down on tariffs. Again.

1:06:14

Waves and Sound