tear gas
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DHS Forces’ Tear Gas May Have Violated Environmental Laws in Addition to Civil Rights
Five environmental and human rights groups in Oregon are suing the Department of Homeland Security for its use of tear gas at recent anti-police brutality protests in Portland, saying the agency created “potentially grave health and environmental hazards.”
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Badass Hong Kong Protester Catches And Throws Back Tear Gas Grenade
Video: Hong Kong police often uses tear gas, among other things, to disperse the thousands of citizens that participate on the Occupy Central demonstrations. The stabilised gif above shows a badass protester catching one of those tear gas grenades midair and throwing it back at them.
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The Eye-Watering Science Packed In A Can Of Tear Gas
Tear gas is a relatively modern invention — a non-lethal repellant developed from the killer chemical weapons of World War I. But each canister relies on the fascinating chemistry of some ancient compounds and reactions. Wired gives us a look inside, without all the coughing and choking.