hertzen.com

Paul Irish originally shared this post:

Mr +Niklas von Hertzen has been doing some very cool experiments lately. (He made html2canvas  (the thing that basically has a rendering engine written in javascript, yeah, (crazy, right?)))Applying a blur to web content. Demo

He uses html2canvas to rasterize the DOM, blur it, and throws a canvas on top of the page. More: Sudoku Solver in just CSS:
The general sibling combinator at work again; it was recently used in some css-only games from Japanese hackers:

Manipulating truetype font data. Load in a ttf, read the data, manipulate the glyphs on the fly, clientside and view the changes.http://hertzen.com/experiments/jsfont/

A happy tree in CSS: http://hertzen.com/experiments/csstree/
I love the markup of the tree branches.

Pathfinding in JS by analyzing canvas pixel data:http://hertzen.com/experiments/pathfinding/examples/map.html
Fine work!