Robert Hooke (1635-1703) is best known for his depiction of a flea as seen through his microscope, made scary through magnification: almost all body and little head, a giant apparatus for storing ...

THIS was our first look at the realm of the invisible. In 1665, Robert Hooke’s Micrographia brought microscopic observations out of his laboratory to a wider world. Hooke believed that, through the ...

The earliest microscopes shed light on a once-invisible world. But, Patricia Fara explains, microscopists were uncertain about how well the images reflected reality — just as they are today. In ...

A picture may be worth a thousand words, but the inverse is also true: A word is worth a thousand pictures. If I say “bear,” you might picture a grizzly or a black bear, a polar bear, a panda bear, a ...