more at scitech.quickfound.net "A study of the plant and animal life found in a jar of ordinary pond water. Illustrates and explains the difference between microscopic plants and animals; between one-celled and many-celled organisms; the meaning of colonial organization; and the various processes of food-gathering, digestion and reproduction." Public domain film from the Library of Congress Prelinger Archive, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied. The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original). en.wikipedia.org A microscope (from the Greek: μικρός, mikrós, "small" and σκοπεῖν, skopeîn, "to look" or "see") is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy. Microscopic means invisible to the eye unless aided by a microscope. There are many types of microscopes, the most common and first to be invented is the optical microscope which uses light to image the sample. Other major types of microscopes are the electron microscope (both the transmission electron microscope and the scanning electron microscope) and the various types of scanning probe microscope... History The first microscope to be developed was the optical microscope, although the ...
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