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open_problems [2018/04/08 15:36]
georgefarr [Open Problems]
open_problems [2019/02/08 08:24]
129.13.36.189
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 Real problems are things related to **unexplained observed phenomena**,​ like dark matter or dark energy. Real problems are things related to **unexplained observed phenomena**,​ like dark matter or dark energy.
  
-In addition, there are things that we can describe but do not understand. These are not really problems but rather **puzzles**. Examples are the [[open_problems:​flavour_puzzle|still not understood masses and mixing angles]] of the elementary particles or also the [[open_problems:​hierarchy_puzzle|hierarchy puzzle]] and the question why strong interactions [[open_problems:​strong_cp_puzzle|do not violate]] [[advanced_notions:​cp_symmetry|CP symmetry]]. ​+In addition, there are things that we can describe but do not understand. These are not really problems but rather **[[http://​jakobschwichtenberg.com/​problems-vs-puzzles/|puzzles]]**. Examples are the [[open_problems:​flavour_puzzle|still not understood masses and mixing angles]] of the elementary particles or also the [[open_problems:​hierarchy_puzzle|hierarchy puzzle]] and the question why strong interactions [[open_problems:​strong_cp_puzzle|do not violate]] [[advanced_notions:​cp_symmetry|CP symmetry]]. ​
  
  
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 +  * [[https://​arxiv.org/​abs/​1804.08730|Life,​ the universe, and everything - 42 fundamental questions]] by Roland E. Allen, Suzy Lidström
   * http://​math.ucr.edu/​home/​baez/​physics/​General/​open_questions.html   * http://​math.ucr.edu/​home/​baez/​physics/​General/​open_questions.html
   * https://​en.wikipedia.org/​wiki/​List_of_unsolved_problems_in_physics   * https://​en.wikipedia.org/​wiki/​List_of_unsolved_problems_in_physics
open_problems.txt · Last modified: 2019/02/08 08:24 by 129.13.36.189