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Showing results 11-17 of 17 for 'Optics'


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    Beautiful Sea Sapphire Can Make Itself Invisible in an Instant

    The sea sapphire has been called ""the most beautiful animal you've never seen,"" switching between vibrant blues, violets, reds, and … nothing. Now, as <em>New Scientist</em> reports, Weizmann scientists and colleagues in Eilat are learning how it changes color and becomes invisible – findings that could lead to new optical technologies.

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    One Atom + Two Photons = Quantum Computing Switch

    Dr. Barak Dayan and the quantum optics group at Weizmann have made a quantum computing breakthrough, recently published in Science. As IEEE Spectrum reports, Dr. Dayan can use a single atom to switch the direction of a single photon, which ""could pave the way toward quantum computers much more powerful than today's machines.""

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  • best-people-best-science
    Best People, Best Science

    The Weizmann Institute's most important asset is its people. That's why the Institute is committed to recruiting and nurturing some of the world's brightest young researchers. Here, six impressive new scientists – Drs. Ronen Eldan, Ofer Firstenberg, Yifat Merbl, Neta Regev-Rudzki, Nir London, and Efi Efrati – share how the Institute is helping them make breakthroughs in areas ranging from malaria to optics.

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    Atoms Feel New Force

    <em>Physics</em> reports that Noam Matzliah, a PhD student in the Weizmann Institute’s Department of Physics of Complex Systems, has “demonstrated a new kind of atom-acting optical force that squeezes a whole cloud of atoms.”

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    Scallops Have Eyes, and Each One Builds a Beautiful Living Mirror

    In 2019, if everything goes according to plan, the much-delayed James Webb Space Telescope will finally launch into orbit. Once assembled, it will use an array of 18 hexagonal mirrors to collect and focus the light from distant galaxies. This segmented-mirror design was developed in the 1980s, and it has been so successful that it will feature in almost all the large telescopes to be built in the near future. But as always, nature got there first. For millions of years, scallops have been gazing at the world using dozens of eyes, each of which has a segmented mirror that’s uncannily similar to those in our grandest telescopes. And scientists have just gotten a good look at one for the first time.

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