My mom picked up last July’s National Geographic from the library. I was flipping through it and came across a couple paragraphs on a new technology that had me completely dumbstruck:
Adaptive eyeglasses.
The lens is two sheets of plastic with silicone oil in between. By adjusting the amount of oil, you can change the focus of the lens. No prescription glasses for each person! And they’re cheap, for developing countries. Just imagine the possibilities...
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