The effect was named after the scientist Luigi Galvani‚ who investigated the effect of electricity on dissected animals in the 1780s and 1790s. While experimenting in his lab‚ his scalpel touched the body of a frog‚ and he saw the muscles in the frog’s leg twitch. At that time he thought that he had discovered a new way of forming electricity. The term is also used to describe the bringing to life of organisms using electricity‚ as popularly associated with the 1831 revised edition of‚ Mary Shelley’s
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The Battle of Gettysburg was considered one of the most important confrontations of the Civil War because it was the bloodiest battle of the War. This specific war was important also because it lasted only three days. The Battle of Gettysburg began on July 1‚ 1863 and involved around 165‚000 men and ended on July 3‚ 1863 with over 50‚000 casualties. Of the casualties‚ around 23‚000 were Union soldiers and around 28‚000 were Confederates. This three day battle was the largest battle ever fought on
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have a neutral charge. Neutrons are also one amu like protons. Neutrons can move from the nucleus of an atom making an atom an isotope. The neutron symbol is . Electrons are located outside the nucleus in energy levels. Electrons have a negative charge and weigh approximately 1/2000th of an amu. The weight is almost insignificant. Electrons can vary in an atom making cations and anions. Cations are a positive charge when an atom loses an electron. Anions are a negative charge when an atom gains
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400 BC Democritus: He hypothesized that all matter (plus space and time) is composed of tiny indestructible units‚ called atoms. Democritus performed no experiments. 1 .All matter consists of invisible particles called atoms. 2. Atoms are indestructible. 3. Atoms are solid but invisible. 4. Atoms are homogenous. 5. Atoms differ in size‚ shape‚ mass‚ position‚ and arrangement. ->Solids are made of small‚ pointy atoms. ->Liquids are made of large‚ round atoms. ->Oils are made of very fine
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The 3 Pin Plug The three pin plug is the most commonly used and one of the most important devise we use every day. Although it is an simple devise it is the most impotent part of any electrical object we use. And as we are getting more and more dependent on technology the plug is becoming increasingly important in our lives. Explosion View: [pic] List of components and material used: |Name |Material |Purpose
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air to mask the electric field and demonstrated that electric fields could deflect cathode rays. Having shown that the rays were made up of negatively charged particles‚ he procedded to use their combined electric and magnetic fields to find the charge in mass ratio(e/m) of the particles‚ which did not vary from one cathode material to another. In april 1897‚ he relealed this discovery of
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221) 6. Strictly speaking‚ will a penny be slightly more massive if it has a negative charge or a positive charge? Explain. A negative charge because when it is negatively charged electrons are added to the penny. 17. What is the voltage at the location of a 0.0001 C charge that has an electric potential energy of 0.5 J (both voltage and potential relative to the same reference point)? Potential = energy Charge = 0.5 J / 0.0001 C = 5‚000 V 20. Is it correct to say that energy from a car battery
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article it explains that all matter is made up of atoms which are made up of smaller particles called the proton‚ the neutron‚ and the electron. It states that electrons have a negative charge and protons have a positive charge. There
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............. 9 CONSOLIDATED ANALYSIS OF THE SITUATION............................................................................. 11 PAGE 1 ABSTRACT This paper aims to analyze AXP’s strategy and key success factors in France for their charge cards portfolio for private consumers and small businesses and the road ahead. AXP has consistently dominated its competition worldwide with high customer satisfaction‚ led by its strong value proposition and bundled services. However‚ today‚
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The Science of Thunderstorms The Science of Thunderstorms Eleanor C. Radaza Philippine Science High School - Central Mindanao Campus Nangka‚ Balo-i‚ Lanao del Norte‚ Philippines 9217 This paper is primarily written for science students‚ teachers‚ and other interested individuals to provide a resource to enhance their knowledge about the origin of thunderstorms. 1. Introduction A thunderstorm is a storm that is able to produce lightning and thunder. It occurs in cumulonimbus clouds which are large
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