Denis Papin (22 August 1647 – c. 1712) was a French physicist, mathematician and inventor.
During the late 1670s, Papin invented the steam digester, a forerunner of the steam engine and pressure cooker. The steam digester was a tightly shut cylinder that heated water to the boiling point, cooking any contents within.
In 1679, Papin adressed the Royal Society on his invention, attracting a great deal of attention. The invention was described as a "brutal cooking process", and it was predicted that it could be used for observations on the nature of various elements. The steam digester revealed the potential of steam machines, and inspired the invention of the steam engine.
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