Try This .... Very interesting !!!

1.
Go to
www.google.com
Type "google gravity" and then click "I'm feeling lucky" on Google,
the entire page will lose it's gravity!!
Though you can still search on it and play with the webpage!!
or copy and paste below clink in browser
http://mrdoob.com/projects/chromeexperiments/google-gravity/

2.
another -
Go to Google.com
And write "GOOGLE SPHERE" and den click on "i m feeling Lucky" button on Google,
the entire page will will convert into globe!!
Though you can still search on it and play with the webpage!!
or copy and paste below clink in browser
http://mrdoob.com/projects/chromeexperiments/google-sphere/

3.
More you can find at
http://mrdoob.com/