Things you can do with HTML5

projective-video
This is cool. Transform and project a video onto a real 3d grid. This looks as you can easily reproduce this on your own site.
Sample: http://wiki.techfandu.org/eduvid/
Directory with sources (plus look at the source code of above’s website): http://wiki.techfandu.org/eduvid/projective-video/index_files/

Presentations as audio + video + slides
This project looks promising, reminds me of lecturnity and its beginnings
http://eduvid.techfandu.org/

Video as canvas
Imagine the HTML5 as a canvas where you can draw things on. The following blog lists some interesting things like the JavaScript audio synthesis. I wish to see e.g. mathematical graphs being plotted into a video according to a LaTeX math formula.
http://acko.net/tag/canvas

Instant on-the-fly green screening
https://developer.mozilla.org/samples/video/chroma-key/index.xhtml
Just have a look at the source code of the page – you’ll get it quickly

HTML5 <audio>
http://www.randomthink.net/labs/html5drums
Audio drumkit made with HTML5 – even I could built something that sounds, hmm, not too bad:
http://www.randomthink.net/labs/html5drums/…

HTML5 at it’s current best state
Technically very interesting and nice interface design
http://www.qwiki.com/
A wikipedia which is based on video – try this, it’s fun!

And the framework for this:
http://www.rebelliouspixels.com/2011/html5-dynamic-video-remix-using-popcornjs
explains in an exciting post about annotations in HTML5. Note the links in the post to popcorn.js framework.

The background of popcorn is the Mozilla-project http://www.drumbeat.org/webmademovies

 

General links