Sound Ledger¹ (Dyson’s Mask)

Audio culture by the numbers

0.1: The size, in microns, of particles filtered by the Dyson Zone

5: Number of liters of clean air delivered per second by the Dyson Zone

90: Number of minutes of use of the Dyson Zone at its highest level


Originally published in the April 4, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via

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