How to create a real time 3D simulation of an industrial plant ? [more inside]
posted on Jan 1, 2007 - 10 answers

What are the main advantages and disadvantages of materials like glass, concrete, wood, and plastics, compared to steel ? [more inside]
posted on Sep 26, 2006 - 21 answers

I'd like to find a webpage or document that consolidate the number of employees and the revenues of the biggest corporations in the world. Where can I find an easy to read page like this ? Wikipedia have all the information but you have to browse from an article to another...
posted on Jan 10, 2006 - 3 answers