investigated in metals as they require lower energy from the radiation. The photoelectric effect was first discovered by Heinrich Hertz in 1887 and was explained by Albert Einstein in 1905. Einstein’s model quantized light as photons‚ each with energy E=hν where h is the Planck’s constant and ν is the frequency. Einstein also introduced the work function ϕ of a material‚ defined as the minimum amount of energy needed in order to liberate an electron
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What is out there? How did we get here? What is the world made of? These simple questions still baffle scientists today. The story for the search to answer those questions is the story of science. The history of science has made the greatest impact on the world and continues to evolve. When people understand it‚ it changes how we see ourselves and how we see the world around us. It has been shaped by natural phenomenon and things that have happened inside the laboratory and out. The most brilliant
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ways and to share with others this passion‚ in the form of art. Cultures have utilized art in the form of drawings‚ patterns‚ and techniques; for example the type of clothes they wear‚ and type of houses they live in. Art is everywhere. Albert Einstein once said‚ you could look at life as if nothings a miracle or as if everything is. I think that you can look at art in the same way. I remember watching a film in class on a man and a woman who were in charge of the community project that consisted
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Schrodinger’s Cat Austrian physicist Erwin Schrodinger’s thought experiment revolving around the mortality of a cat came about in a disagreement regarding light with Albert Einstein. The experiment Schrodinger came up with involved enclosing a cat into a box with a radioactive source and a flask of poison. When an internal detects radioactivity‚ the flask is shattered‚ releasing the poisonous fumes‚ thus killing the cat. The point of the experiment is to illustrate the idea that to the outside
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Albert Einstein once said‚ “Too many of us look upon Americans as dollar chasers. This is a cruel libel‚ even if it is reiterated thoughtlessly by the Americans themselves.” I believe that Einstein was trying to say was happiness is a desirable objective for everyone in life. There are many ways to get happiness which can only be gained by wise people who know exactly the real value of happiness. If someone thinks that money can bring them happiness‚ they are very wrong. Money can’t buy happiness
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and not even know it. Some of the greatest minds in history attribute at least part of their success to the fact that they spent some time alone. Spending time alone allows you to really think deeply about your goals and your strategies. Albert Einstein was known to be a quiet person that spent a lot of time to himself. He was one of the greatest and most influential minds in history. Henry David Thoreau developed the reputation of a hermit because he spent so much time alone. He was a social personal
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The Legal Medical Research Departments of Frankfurt University and the Maastricht University in The Netherlands. Marijuana has been proven to double the chance of schizophrenia‚ Dr. Serge Sevy‚ an associate professor of psychiatry at the Albert Einstein College of Medicine in New York City‚ looked at 100 patients between the ages of 16 and 40 with schizophrenia‚ half of whom smoked marijuana. Sevy and colleagues found that among the marijuana users‚ 75% had begun smoking before the onset of schizophrenia
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way it is . But brains? They are to die for! People remember you for generations and generations! People with brains have their faces plastered over history books. The become well known for their work. Way more than the Hollywood nobodies. Albert Einstein ‚ he was ugly with funny hair but is still know today. He changed the world with his theory. Bill gates ‚ not the most handsome but richest! Mahatma Ghandi‚ he wasn’t very good looking‚ but he made history too. I could go on forever. The point is
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These 3 known and unified forces are the Strong Nuclear Force‚ the Weak Nuclear Force‚ and the Electro-Magnetic Force can be merged into a single force at the grand unification energy of 1016 GeV. However‚ this model of the universe is not complete since Gravity is still impossible to unify with the 3 other forces. In 1687‚ Isaac Newton postulated the first model explaining gravity between astronomical objects and showed how it’s was inversely proportional to the square of the distance between two
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life are usually the results of one’s efforts. No man can hope to have a very easy life and also the same time a very successful one. The examples of Albert Einstein and Michael Jordan clearly reveal my view point. Most of us take Einstein’s name as synonymous with genius‚ but he didn’t always show such promise. Einstein did not speak until he was four and did not read until he was seven‚ causing his teachers and parents to think he was mentally handicapped‚ slow and anti-social
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