tracer bullet

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Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint

8 of the Largest Empires in History

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

tracer bullet

ammunition

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characteristics

In ammunition
Tracer bullets have a column of pyrotechnic composition in the base that is ignited by the flame of the propellant; this provides a visible pyrotechnic display during the bullet’s flight. Incendiary bullets, intended to ignite flammable materials such as gasoline, contain a charge of chemical…
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