175 books
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16 voters
General Relativity
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A university student attending lectures on general relativity i the morning and others on quantum mechanics in the afternoon might be forgiven for thinking that his professors are fools, or have neglected to communicate with each other for at least a century.
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― Seven Brief Lessons on Physics
― Seven Brief Lessons on Physics
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One should no more rack one’s brain about the problem of whether something one cannot know anything about exists all the same, than about the ancient problem of how many angels are able to sit on the point of a needle.
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