Oh, just watch the video ….
My favorite line from the video “Sometimes the video loop is visually plausible but semantically incorrect”.
And then try it yourself: http://research.microsoft.com/en-us/um/people/hoppe/proj/videoloops/README.html
And if you are more curious you can read the paper: http://research.microsoft.com/en-us/um/people/hoppe/proj/videoloops/
Sometimes covers are far, far, better
Sparked by an interesting Hacker News thread recently – if you need to implement blend modes or understand technically what is going on then you'll find these useful.
Photshop Blend Modes Explained
Insight into Photoshop 7.0 Blending Modes
Let’s Learn Math: Photoshop Blend Modes
Photoshop Blend Mode Math
Obligatory Wikipedia Link
I have fond memories of this Intro sequence from HBO. This video shows the amazing amount of effort that went into its production.
It's refreshing to see what professionals were capable of achieving before today's ubiquitous use of CG .
And here's a link to the official Intro sequence so you can experience the majesty.