Caught in a trap: a levitated nanoparticle has been cooled to its quantum ground state. (Courtesy: Lorenzo Magrini and Yuriy Coroli/University of Vienna) A glass sphere about 150 nm in diameter has ...
Take a sheet of copy paper and grip it flat in your hands. Next, gently push down evenly on both sides to form a smooth curve. Now, twist your left thumb up and your right thumb down. Ta-da! You have ...
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