GR by R. Wald: Apple & Canopy Cover Explained

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SUMMARY

The discussion centers on the cover of "General Relativity" by R. Wald, which features an apple and a canopy. The apple symbolizes curved space, representing gravity in General Relativity (GR), while the canopy illustrates flat Euclidean space. The conversation references the historical anecdote of Isaac Newton, who was inspired by an apple falling from a tree to formulate the Newtonian theory of gravity. Additionally, the painting "Les Belles Realites" by Magritte is mentioned as part of the visual representation.

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  • Understanding of General Relativity concepts
  • Familiarity with Euclidean geometry
  • Knowledge of Newtonian gravity principles
  • Awareness of art's role in scientific representation
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Students of physics, educators in science, art enthusiasts interested in the intersection of art and science, and anyone studying the historical development of gravitational theories.

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I have recently notice that I the book General Relativity by R. Wald has
quite strange cover. Do you have any idea what's the relation of
apple and canopy with GR?

4197-nS5HHL._BO2,204,203,200_PIsitb-sticker-arrow-click,TopRight,35,-76_AA300_SH20_OU01_.jpg
 
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The table represents a flat euclidean space. The apple represents a curved space which is a model for gravity in GR. Incidentally, there is a story about Newton who was sitting by a tree and an apple fell down to the ground and it inspired Newton to develop the Newtonian theory of gravity.
 
The painting is "Les Belles Realites" by Magritte.
 

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