Eight-year-old S. Hariraj is a Foldscope devotee. He's used it to look at the milk from the cows his parents raise. Though the milk looks creamy, the Foldscope reveals a world of microorganisms. "It ...
A microscope is a scientific instrument used to magnify small objects so they can be seen larger than life. The simplest microscope is a single lens called a magnifying glass. The larger, more ...
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