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Study found highly elevated PM2.5 in pre-COVID-19 subway air in NE US; NYC the worst

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concentrations and particle composition from area samples collected in the subways of Philadelphia, Pennsylvania; Boston, Massachusetts; New York City, New York/New Jersey (NYC/NJ); and Washington, District of Columbia. g/m 3 ), followed by the MTA New York at 251 ?g/m

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New study finds gasoline stations vent up to 10x more benzene fumes than previously thought

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By comparison, the California Air Pollution Control Officers Association (CAPCOA) used an estimate of 0.11 In urban areas like New York City, some gas stations are located directly adjacent to apartment buildings. The research is supported by a grant from the National Institutes of Health (ES009089). pounds and 1.7

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The Scandalous History of the Last Rotor Cipher Machine

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Growing up in New York City, I always wanted to be a spy. For comparison, the Advanced Encryption Standard , which is used today to protect sensitive information in government, banking, and many other sectors, typically uses a 128- or a 256-bit key. defense contractor. 2,984,700 ). 2,802,047 ).

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Xerox Parc’s Engineers on How They Invented the Future—and How Xerox Lost It

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It employs approximately 350 researchers, managers, and support staff (by comparison, Bell Laboratories before the AT&T breakup employed roughly 25,000). He used Superpaint to make a videotape called “Vidbits” that was later shown at the Museum of Modern Art in New York City. and Toronto, Ont.,

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