Isaac Newton’s theory of how water defies gravity in plants

Newton's journal

Under the heading “Vegetables,” page 102 of Newton’s journal reads: “Suppose a b the pore of a Vegitable filled with fluid mater & that the Globule c doth hitt away the particle b, then the rest of subtile matter in the pores riseth from a towards b. & by this meanes juices continually arise up from the roots of trees upward leaving dreggs in the pores & then wanting passage stretch the pores to make them as wide as before they were clogged. which makes the plant bigger untill the pores are too narow for the juice to arise through the pores & then the plant ceaseth to grow any more.”

Image provided with permission from the Syndics of the Cambridge University Library

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