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The new MultiQ-IT prototype can cool, trap, filter, and redirect over a billion ionssimultaneously, dramatically improving dynamic range and signal-to-noise. Credit Lori Chertoff/The Rockefeller University Editor’s note: with recent speculation

a, We levitate a 500-μm silica sphere in an acoustic trap above a silica target plate. b, Charge is measured by applying a frequency-swept electric field, E(t), and extracting the