OES_texture_float WebGL extension under WebGL

In the video below you see a demo using OES_texture_float WebGL extension.

If the video card is the generation then you need to use Chrome and test online here.
This demo uses the following features:

• Raytraced reflections and refractions
• Analytic ambient occlusion
• Heightfield water simulation *
• Soft shadows
• Caustics **

It seems that technology WebGL has a brighter future , the proof is many demos on internet.