The world’s blackest material, Vantablack, just got blacker. U.K. company Surrey NanoSystems developed the carbon nanotube material a few years ago, but the company now says it has recently improved the material to absorb so much light that it cannot be measured with a spectrometer.
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Researchers at the Weizmann Institute and the Interuniversity Institute for Marine Sciences in Israel are taking a closer look at sea sapphires to figure out the science behind the “magic” of their seemingly instantaneous color changes and invisibility.
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