In case you missed it .. there is an experiment of Google Chrome capabilities..
a website have been created mainly for this purpose..

From their about page..

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From the Author:
*BEST VIEWED ON CHROME 2.0*
“Everything that goes up must come down. But there comes a time when not everything that’s down can come up.”
George Burns couldn’t probably imagine that his quote would eventually also be applied Google’s main page.
Play with the elements and try searching whenever you get tired of it.
Technology:
javascript, box2d-js

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Unfortunately ..Google Chrome only available for windows platform at the moment..

However you still can experience it on Firefox and Sea Monkey though.. but a bit slow..

source :
1. http://www.chromeexperiments.com/detail/gravity/

2. http://www.google.com/chrome/index.html?brand=CHNP

About This Site

We think JavaScript is awesome. We also think browsers are awesome. Indeed, when we talk about them, we say they are the cat’s meow – which is an American expression meaning AWESOME.

In light of these deeply held beliefs, we created this site to showcase cool experiments for both JavaScript and web browsers.

These experiments were created by designers and programmers from around the world. Their work is making the web faster, more fun, and more open – the same spirit in which we built Google Chrome.

Naturally, if you’ve made something fun and fast with JavaScript, please send it in. We can’t post everything, but we’d love to see it.

Thanks for visiting, and happy experimenting.