Inventor Creates Instantly Adjustable Eyeglasses
Gizmodo: British Inventor Josh Silver has developer a pair of eyeglasses that are instantly adjustable. They’ve got a liquid-filled sac in the middle–add more fluid to make the glasses stronger, deflate to weaken them. The no-optician-required glasses rely on the principle that the fatter a lens is, the more powerful it comes, so by pumping […]
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