proportional counter

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Abstract vector hi speed internet technology background

History of Technology Timeline

Binary Computer Code, Binary Code, Internet, Technology, Password, Data

How Does Wi-Fi Work?

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The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

The Judiciary Committee of the U.S. House of Representatives receiving a deputation of female suffragists, January 11, 1871, a lady delegate (identified as Victoria Woodhull) reading her argument (cont'd)

Who Was the First Woman to Run for President of the United States?

Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

A ball swishes through the net at a basketball game in a professional arena.

Why Are Basketball Hoops 10 Feet High?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Gills of three old specimens of webcap fungus (Cortinarius) in Gloucestershire, South West England. toxic, fungi, poisonous mushroom

7 of the World’s Most Poisonous Mushrooms

proportional counter

radiation detector

Also known as: Proportional counter tube, proportional tube

Written and fact-checked by The Editors of Encyclopaedia Britannica

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Related Topics:: ionization chamber

proportional counter, type of ionization chamber capable of differentiating between various kinds of charged particles and energies (see ionization chamber).