Fluid Mechanics
Here is a playlist of my favorite fluid dynamics videos on YouTube:
Here are my favorite fluid dynamics websites for cool fluid visualizations and applications:
FYFD - Dr. Nicole Sharp
Flow Viz - Dr. Jean Hertzberg
CSELab - Dr. Petros Koumoutsakos
National Committee for Fluid Mechanics Films - Dr. Ascher Shapiro
SpinLab - UCLA
NASA Perpetual Ocean - NASA
SplashLab - Dr. Tadd Truscott
This Is Colossal - Mark Mawson
CTFLab - Dr. Olivier Desjardins
MSMSLab - Dr. Oleg Vasilyev