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January 25, 2019 03:30 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Eo4aRrsjzyw/bangkok-fights-air-pollution-with-water-spraying-drones
Bangkok Fights Air Pollution With Water-Spraying Drones
An anonymous reader quotes a report from Quartz: Earlier in the week, levels of PM2.5 -- tiny particles 2.5 microns in diameter or smaller that can penetrate deep into the lungs -- reached 185 micrograms per cubic meter. Anything above 150 is deemed hazardous for all individuals (50 or below is considered good). The government has responded by unleashing a small fleet of drones that can spray water into the air and eliminate some of the pollution. Photos from a test on Tuesday (Jan. 22) show the yellow aircraft dispensing water and a "non-hazardous chemical spray," reported the Bangkok Post. An official from the Defense Technology Institute, a government agency, said the test, in which drones sprayed for less than an hour, reduced the concentration of PM2.5 by 10 micrograms per cubic meter on average.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Eo4aRrsjzyw/bangkok-fights-air-pollution-with-water-spraying-drones
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