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Using a regular controller, players can control a tiny digital ship, firing nanoscale bullets to push around a physical polystyrene ball just a few microns wide.—Michael Irving, New Atlas, 27 Feb. 2025 Researchers studying health outcomes in southern California concluded that exposure to particular matter smaller than 2.5 microns, called PM2.5, from wildfires was up to 10 times more harmful to human health compared with exposure to PM2.5 from other sources.—Allison Parshall, Scientific American, 13 Jan. 2025 These disks, 5 millimeters in diameter and 265 microns thick, were then placed over an inflatable membrane, inflated like a balloon to form a dome, magnetized, and returned to their original flat state.—Ars Technica, 27 Dec. 2024 Disks with orthogonal cuts 1.5 millimeters long and 250 microns wide could reach 4 millimeters when exposed to the magnetic field, more than twice as high as domes without them.—Ars Technica, 27 Dec. 2024 See All Example Sentences for micron
Word History
Etymology
New Latin, from Greek mikron, neuter of mikros small — more at micr-
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