Tag: telescopes
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Nation & World
‘Seeing the unseeable’
A years-long effort by dozens of researchers at the Harvard-Smithsonian Center for Astrophysics reveals the first-ever image of a supermassive black hole.
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Nation & World
A thinner, flatter lens
A new meta-lens works in the visible spectrum, seeing smaller than a wavelength of light. Because of this development, high-efficiency, ultra-flat, or planar, lenses could replace heavy, bulky ones in smart phones, cameras, and telescopes.