What is WebGL? How to enable WebGL?
WebGL is the most recent technology for displaying 3D content on the Web. It uses the hardware graphic acceleration of your computer to render 3D models accurately and interactively. As of now, it is supported in the following browsers: Firefox 4, Chrome 9, Opera 11.5.
If you are using Firefox 4, you need recent drivers, or you may force-enable WebGL support.
If you are using Chrome and have troubles enabling WebGL, please read this page on Google forum.
You may also visit this link for troubleshooting WebGL starting problems.