This paper discusses the details:
http://yinzhicao.org/TrackingFree/crossbrowsertracking_NDSS1...
You can also visit their site to see it in action: http://uniquemachine.org/
http://yinzhicao.org/TrackingFree/crossbrowsertracking_NDSS1...
You can also visit their site to see it in action: http://uniquemachine.org/
> Your graphics card does not seem to support WebGL.
So NoScript is blocking WebGL, as promised.