What is a Weir?
12:28
How Sewers Work (feat. Fake Poop)
8:40
The Most Dangerous Dams
17:30
Constructing the Wonder: Hoover Dam Secrets Revealed
44:06
Culvert Hydraulics
11:40
Por qué el ejército de EE.UU. eligió baterías de silicio-grafeno
7:42
Why the US Army electrifies this water
27:15
The Most Misunderstood Concept in Physics
9:30