Principia : the mathematical principles of natural philosophy, by Isaac Newton

Philosophiæ Naturalis Principia Mathematica, Latin for “Mathematical Principles of Natural Philosophy”, often referred to as simply the Principia, is a work in three books by Sir Isaac Newton, first published 5 July 1687. After annotating and correcting his personal copy of the first edition, Newton also published two further editions, in 1713 and 1726. The Read more about Principia : the mathematical principles of natural philosophy, by Isaac Newton[…]

Physics Help, by Nicolae Sfetcu

Physics (from Greek from φυσικός (phusikos): natural, from φύσις (fysis): Nature) is the science of Nature in the broadest sense. Physicists study the behaviour and interactions of matter and radiation. Theories of physics are generally expressed as mathematical relations. Well-established theories are often referred to as physical laws or laws of physics; however, like all Read more about Physics Help, by Nicolae Sfetcu[…]

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