RT @PhysRevLett: Granular material in which a vertical tube is inserted, particles rise up along the tube when vibrated up and down. https:…
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RT @PhysRevLett: Granular material in which a vertical tube is inserted, particles rise up along the tube when vibrated up and down. https:…
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RT @PhysRevLett: Granular material in which a vertical tube is inserted, particles rise up along the tube when vibrated up and down. https:…
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RT @PhysRevLett: Granular material in which a vertical tube is inserted, particles rise up along the tube when vibrated up and down. https:…