Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
1,453,312 results
Okay, it's time to dig into quantum mechanics! Don't worry, we won't get into the math just yet, for now we just want to understand ...
1,295,350 views
7 years ago
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in ...
4,759,479 views
9 years ago
