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An artificial cardiac pacemaker, commonly referred to as simply a pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart. Each pulse causes the targeted chamber (s) to contract and pump blood, [3] thus regulating the function of the electrical conduction ...
The Code Of Honor—A Duel in the Bois De Boulogne, Near Paris, wood-engraving after Godefroy Durand, Harper's Weekly (January 1875) A duel is an arranged engagement in combat between two people with matched weapons. During the 17th and 18th centuries (and earlier), duels were mostly single combats fought with swords (the rapier and later the ...
Burr–Hamilton duel. The Burr–Hamilton duel took place in Weehawken, New Jersey, between Aaron Burr, the third U.S. vice president at the time, and Alexander Hamilton, the first and former Secretary of the Treasury, at dawn on July 11, 1804. The duel was the culmination of a bitter rivalry that had developed over years between both men, who ...
The Duel (also known as The Point of Honor: A Military Tale) by Joseph Conrad: Two officers of Napoleon's army fight a number of duels over many years. The story was transferred to the screen in 1977 by Ridley Scott as The Duellists. The Duel, a philosophic novella by Anton Chekhov; War and Peace: Pierre and Dolokhov duel.
A pace is a unit of length consisting either of one normal walking step (approximately 0.75 metres or 30 inches), or of a double step, returning to the same foot (approximately 1.5 metres or 60 inches). The normal pace length decreases with age and some health conditions. [1] The word "pace" is also used for units inverse to speed, used mainly ...
Heart symbol. The heart symbol is an ideograph used to express the idea of the "heart" in its metaphorical or symbolic sense. Represented by an anatomically inaccurate shape, the heart symbol is often used to represent the center of emotion, including affection and love, especially romantic love.
Pace count beads. Pace count beads or ranger beads are a manual counting tool used to keep track of distance traveled through a pace count. It is used in military land navigation or orienteering. [1] A typical example for military use is keeping track of distance traveled during a foot patrol. [2]
This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.