At http://www.newscientist.com/article/mg21528840.800-reality-is-everything-made-of-numbers.html

Reality: Is everything made of numbers?

• 02 October 2012 by Amanda Gefter
• Magazine issue 2884. Subscribe and save

WHEN Albert Einstein finally completed his general theory of relativity in 1916, he looked down at the equations and discovered an unexpected message: the universe is expanding.

Einstein didn't believe the physical universe could shrink or grow, so he ignored what the equations were telling him. Thirteen years later, Edwin Hubble found clear evidence of the universe's expansion. Einstein had missed the opportunity to make the most dramatic scientific prediction in... ( more at http://www.newscientist.com/article/mg21528840.800-reality-is-everything-made-of-numbers.html )