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Compound microscope, vintage engraving XIX century
Compound microscope uses a lens close to the object being viewed to collect light and focuses a real image of the object inside the microscope. That image is then magnified by a second lens( eyepiece) that gives the viewer an … Continued
Lavoisier experiment: discovery water composition by decomposing water vapour over hot iron.
The discovery that water is a compound of hydrogen and oxygen was made in the early 1780s. Lavoisier demonstrated that iron reacts with water releasing hydrogen.