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Search results 171 - 180 of 278 matching essays
- 171: Einstein
- ... was making an atomic bomb, so they wanted the United States to make one first. The reason they asked Einstein for help was because his studies showed that there was a lot of power in atoms and they needed to use that theory to make the atomic bomb. Although this decision was hard for Einstein to make, he finally realized that the bomb might stop Nazi rule. He agreed and soon ...
- 172: Nuclear Power
- ... world's electricity. There are around 316 nuclear power plants in the world that create 213,000 megawatts of electricity. (INFOPEDIA) Radioactive, or nuclear, waste is the by-product of nuclear fission. Fission occurs when atoms' nucleus' split and cause a nuclear reaction. (General Information) When a free neutron splits a nucleus, energy is released along with free neutrons, fission fragments that give off beta rays, and gamma rays. A free ...
- 173: John Dalton
- ... This was his most famous work, A New System of Chemical Philosophy, Part I. Dalton relied on his observations and mathematical reasoning to produce a book containing a revolutionary theory. He adopted the idea of atoms and drew individual particles to illustrate chemical reactions. Not everyone accepted the atomic theory and he had to defend it from critics. In 1810, he published Part II of his New System, giving more evidence ...
- 174: Robert Boyle
- ... to solve the problem of why metal would gain weight when placed in fire. He worked on this for a while. The answer he came up with was that the metal was absorbing the fire atoms causing their weight to increase. (Salzberg p.165) One problem with Boyle's experiments was that he never considered air to be involved as a gas, but he knew that air was corpuscular in nature ...
- 175: The Depletion of the Ozone Layer
- ... molecules. One example would be chlorofluorocarbons or CFC's. CFC's were commonly found in spray cans during the early 1970's but were invented in the 1920's. They contain chlorine, fluorine, and carbon atoms which all form bonds with the rare ozone molecules. A few more products with CFC's are coolants for refrigerators and air conditioners, foam products, such as cups, and insulation for houses. Considering that ozone ...
- 176: William James
- ... true if the predicted events take place and meaningful theories are crucial for dealing with problems that arise in experience. James grasped the idea of the Functionalist theory because he disagreed with Wilhelm Wundt s "atoms of experience". James argued that sensations without associations don t exist in real-life experiences. He believed that our minds are constantly going and that some mental processes are automatic such as daily routines. He ...
- 177: Xenon
- ... I found an article of interest to me concerning xenon. It stated that scientists have discovered a way to use xenon to make M.R.I.s of lungs come out clearer. After exciting rubidium atoms and adding it to xenon, all a patient has to do is breathe in the xenon to have clearer M.R.I.s. People who breathe in the xenon have results that are 10,00 ...
- 178: Socrates
- ... world. Some believed that it was made out of numbers, others thought that it was made of a single substance, or many different substances, while still conflicting philosophers theorized that everything was formed out of atoms, and even illusions. Socrates had his own, different ideas. He believed that the world was made of forms that are not within the reach of our senses, but only of our thoughts. This means, for ...
- 179: The Transition of Power From President to President
- ... in the Little Rock incident where he sent troops to Arkansas to enforce the integration of schools quoting, there must be no second class citizens in this country. Among his many accomplishments was his renowned atoms for peace program where he gave uranium to have not nations for peaceful purposes. Dwight D. Eisenhower died on March 28, 1969 with a prayer for peace in the goodness of time. John F. Kennedy ...
- 180: The Comparative Abundance of The Elements
- ... animals, people) the six most abundant elements are carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur (known as CHONPS). Most compounds in living matter are radically complex, each molecule could contain hundreds or thousand's of atoms. Carbohydrates and fats are compounds which contain carbon, hydrogen and oxygen only. Proteins are also compounds and they contain nitrogen, sulfur and occasionally phosphorus. Living matter cannot live on these six elements alone; even though ...
Search results 171 - 180 of 278 matching essays
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