Check out this essay: http://cacm.acm.org/magazines/2010/9/98038-science-has-only-two-legs/fulltext http://cacm.acm.org/magazines/2010/9/98038-science-has-only-

Check out this essay: http://cacm.acm.org/magazines/2010/9/98038-science-has-only-two-legs/fulltext http://cacm.acm.org/magazines/2010/9/98038-science-has-only-... "I believe that science still has only two legs—theory and experimentation. The "four legs" viewpoint seems to imply the scientific method has changed in a fundamental way. I contend it is not the scientific method that has changed, but rather how it is being carried out."