For millennia, the smallest thing humans could see was about as wide as a human hair. When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in ...

A Dutch father-son team named Hans and Zacharias Janssen invented the first so-called compound microscope in the late 16th century when they discovered that, if they put a lens at the top and ...

First invented in the late 16th century by Hans and Zacharias Janssen, a Dutch father and son team, the first so-called compound microscope was invented by discovering that if they put a lens at ...

Are you smarter than a fifth-grader? Zacharias Janssen, a Dutch 10-year-old, is said to create the first compound microscope using multiple lenses in a tube. (We're guessing his father ...

The microscope developed by Anton van Leeuwenhoek in 1674 was a significant milestone in scientific discovery as it magnified objects up to almost 300 times. He observed microbes (which he called ...