Physics (from the Greek f?s???? (phisikos), "natural", and f?s?? (phisis), "nature") is the science of the natural world in the broadest sense of that term. It deals with matter and energy, and the fundamental forces of nature that govern the interactions between particles. It was known as natural philosophy until the late 19th century.
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This category has the following 21 subcategories, out of 32 total.
The following 178 pages are in this category, out of 272 total. This list may sometimes be slightly out of date (learn more)
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