The $1 Paper Microscope That Could Change the World

When diagnosing people in the developing world, health workers often go into the field lugging bulky, fragile, and expensive microscopes.

While traveling in Thailand, a scientist dreamt up a lightweight, low-cost alternative: a pocket-sized paper microscope made from a single sheet of folded paper, a pair of lenses, and an LED. Approximate cost: $1.

The $1 Paper Microscope That Could Change the World – Businessweek.

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