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category_physics [2007-07-17 14:12] – nik | category_physics [2020-04-03 02:40] – nik | ||
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==== studies of the physical world ==== | ==== studies of the physical world ==== | ||
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+ | ===A travel guide=== | ||
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+ | "The Physics Travel Guide is an expository wiki which explains concepts in three levels of difficulty. We call these levels: intuitive, concrete and abstract." | ||
===for now.. .=== | ===for now.. .=== |