Top network posts

• 105 Is the analysis as taught in universities in fact the analysis of definable numbers?
• 97 Is it possible for information to be transmitted faster than light by using a rigid pole?
• 75 How to solve $f(f(x)) = \cos(x)$?
• 69 Why are so many metros underground? Isn't that more expensive than an elevated system?
• 57 Is there a general formula for solving 4th degree equations (quartic)?
• 53 Why is everything not invisible if 99% space is empty?
• 52 Is there any deep philosophy or intuition behind the similarity between $\pi/4$ and $e^{-\gamma}$?
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