There is a phantom killer lurking in our homes‚ office buildings‚ and schools. We cannot see it‚ taste it‚ or smell it. In fact‚ according to the Environmental Protection Agency (EPA)‚ it is estimated to cause between 15‚000 and 22‚000 lung cancer deaths per year making it the second leading cause of lung cancer deaths following cigarette smoking (EPA). This phantom is the radioactive gas called Radon. Interestingly radon is a form of radiation that is a natural part of our environment. Radiation
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wave 7. Heinrich Rudolf Hertz (Germany) - Generation of electromagnetic waves 8. J.C.Bose (India) - Ultra short radio waves 9. W.K.Roentgen (Germany) - X-rays 10. J.J.Thomson (U.K) - Electron 11. Marie Sklodowska Curie (Poland) - Discovery of radium & Polonium; studies on natural radio activity 12. Albert Einstein (Germany) - Explanation of photoelectric effect; Theory of relativity 13. Victor Francis Hess (Austria) - Cosmic Radiation 14. R.A.Millikan(USA) Measurement of electronic charge
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light bulb filamets. Uranium A metal used in some nuclear reactions. Zinc A metal that prevents rust and is used in dry cell batteries. Lithium High temperature lubricants Magnesium Powder Lithium High temperature lubricants Magnesium Powder Radium Self-luminous plants Titanium Alloys with aluminum Zirconium Nucleur industry for cladding fuel
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transmitting electric arcs between two ends of cathode ray tubes. Some physicists discovered some substances that spontaneously emitted invisible rays regardless of electricity or any other type of energy. An example of these substances are: uranium and radium‚ which are named radioactive materials. X-rays were a portion of the emitted rays that had the ability to penetrate dense objects. Beta rays were labeled as rays that displayed high levels of energy. They had the ability to‚ when covered with a saucer-shaped
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“For me‚ it’s writing a book and telling people about this story.” Freelance science writer who specializes in science and medicine‚ Rebecca Skloot‚ started her writing career with her first book The Immortal Life of Henrietta Lacks. This book took Rebecca more than a decade to research and write. It instantly hit the New York Times best-seller list where it has remained for more than four years since its publication in 2010. The Immortal Life of Henrietta Lacks was about an African-American woman
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negatively charged particle‚ and thus is credited with the discovery and identification of the electron Marie and Pierre Curie (April 1898) - Did considerable work in the investigations of radioactivity. They discovered two new elements: Polonium and Radium - the latter named for the radioactive glow visible in the dark. Ernest Rutherford (1899) - a New Zealand-born physicist and chemist who became known as the father of nuclear physics. He is credited with the discovery of the Nucleus. Max
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diseases. Open heart surgeries‚ organ transplants etc. have all become possible safely. Life saving drugs like penicillin & chloromycetin have also been developed for the benefit of man. Science is now providing eyes to the blind and ears to the deaf. Radium treatment is a recent development‚ even incurable diseases like cancer seems to be within its control. Science is a help in the agricultural field too. The food production levels and quality have improved by multiple factors. Soil analysis‚ hybrid
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the road can burgeon and grow. Are you familiar with the work of Marie Curie? Born in Warsaw‚ Poland on November 7‚ 1867. Curie was a chemist and physicist. She and her husband‚ Pierre‚ won the Nobel Prize in 1903 for their discovery of the element radium. In 1911‚ MAries became the first person to win the Nobel Prize twice! She won the second award for her study of radioactivity. In 1934 death befell upon Maries‚ caused by her long period of contact with
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proportion by weight. Marie Curie (1867 - 1934) - She was a Polish born chemist and physicist who later acquired French citizenship. She is renowned for her discoveries in the phenomenon of radioactivity. Marie Curie discovered the radioactive elements radium and polonium for which she was awarded the Nobel Prize in Chemistry. John Dalton (1766 - 1844) - He was an English who is well-known for his discovery of atoms and the theory known as John Dalton’s atomic theory. He stated that an atom is a fundamental
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Who are women? And what’s their role in society? Cooking cleaning and taking care of household duties with a typical job for a woman before war world one. Due to the passing of labor laws and movements that women formed‚ women have had an increase in their participation in the workforce. However‚ there were still restraints on what positions is much more acceptable or suitable for women while men were going to war‚ women’s role slowly begin to change and left a mark on history. According to Britannica
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