This image, taken through a filter centred on the emission by CN gas, was processed using the Larson-Sekanina algorithm to reveal spiral jets of gas from the nucleus.
From the sciencedaily.com
Today, CS has largely replaced CN as the most widely used tear gas internationally.
From the en.wikipedia.org
So Utter chose the humane way, shoving into the tunnel mouth 48 canisters of CN, a mild tear gas that is briefly aggravating to eyes and nose, has no other effect whatsoever.
From the time.com
In 1968, CN introduced a new high-speed train, the United AircraftTurbo, which was powered by gas turbines instead of diesel engines.