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Nitrogen has many uses. One of these uses is making light bulbs. Light bulbs are almost always filled with Nitrogen. Another use is explosives. Nitrogen can be used to make four different explosives. One of these is Ammonium Nitrate (N2 H4 O3). In 1947, a shipload of Ammonium Nitrate went off in the harbor of Texas City, TX. The explosion wrecked the city so thoroughly, it seemed that airplanes had bombed the city. The other three explosives made from Nitrogen are Nitroglycerin, Nitrocellulose, and Trinitrotoluene. You probably know Trinitrotoluene better by the initials TNT. Yet another use for Nitrogen is that it is used to make Laughing Gas.