Cells | Looks like a monk's cell to me
Looks like a monk's cell to me
All humans begin life as a single cell. It weighs no more than a millionth of an ounce. The naked eye cannot see anything that tiny. So no one could have known cells existed until the compound microscope was invented in the late sixteenth century. Between 1590 and 1609, Dutchmen Hans Janssen, his son Zacharias, and Hans Lippershey designed several compound microscopes. In a compound microscope, two or more lenses are arranged to produce a greatly enlarged image.
In 1660, a Dutch drape maker named Anton van Leeuwenhoek (1632–1723) used a microscope to peer at his textiles. He began studying the invisible worlds of nature. Leeuwenhoek designed 250 different microscopes to further his studies. Around that time, Robert Hooke (1635–1703), an English scientist, slid a piece of cork under a microscope. The mass he saw seemed to be made of chambers, like monks' cells in a monastery. He...
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