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Liquid Lenses Adjust Automatically, Not Quite Dune Binoculars

It's not just that the lenses can automatically adjust to your vision requirements; they make use of an oil lens.

Science fiction fans have been peering into the Internet for this device, having been prepared by Frank Herbert's 1965 Dune series. Consider the oil lens:

Oil lens: hufhuf oil held in static tension by an enclosing force field within a viewing tube as part of a magnifying or other light-manipulation system.
(Read more about Herbert's oil lens)

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