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Tear gas, also known as a lachrymatory agent or lachrymator (from Latin lacrima 'tear'), sometimes colloquially known as "mace" after the early commercial self-defense spray, is a chemical weapon that stimulates the nerves of the lacrimal gland in the eye to produce tears.
Learn about the chemicals, effects and human rights violations of tear gas, a chemical irritant used by law enforcement agencies worldwide. See examples of tear gas use in different contexts and situations, and the risks and harms it poses to people.
Tear gas is a group of substances that irritate the eyes and respiratory tract, causing tears and coughing. Learn about the types, uses, and history of tear gas, as well as its effects and protection methods.
29 nov. 2018 · There are two broad types of tear gas—and they’re both engineered to cause pain. By Angus Chen. Tear gas thrown by the US Border Patrol to disperse Central American migrants is seen near...
It is not in fact a gas but a white powder, generally used with a volatile solvent, such as methyl isobutyl ketone. When a cartridge is heated by a pyrotechnic charge it forms an aerosol of white smoke. ...
3 juin 2020 · Learn how tear gas, a chemical weapon used in World War I, became a tool for police to disperse crowds and repress movements. The article traces the origins, evolution, and controversies of tear gas from the US to the world.
The horrific misuse of tear gas by security forces during brutal crackdowns on protests in Iran, Peru and Sri Lanka last year are among many new incidents detailed in Amnesty International’s updated Tear Gas: An Investigation.
