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Eagle-eyed microlenses; volumetric bubble displays; cockeyed squid; buttercup optics; imaging with fewer than 1,000 photons; the TRAPPIST-1 discoveries; medical acquisitions; U.S. solar market; toward broadband metalenses.
The microlens structure uses four lenses with different focal lengths to image an object. [Image: University of Stuttgart]
A miniaturized camera mimics the natural vision of birds of prey
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