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Free research essays on topics related to: x rays

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  • Marie Curie Nobel Prizes
    1,161 words
    Why was Marie Curie a significant woman in European Science? Marie Curie was the most successful scientist to come out of Poland. She saw science as a beauty that she wanted to withhold. # Science to her was an unknown fairy tale phenomena that she was determined to discover. Marie Curie wanted to use science to help others, and the world. She accomplished this by working in World War I, and discovering radium, and polonium. Marie Curies discovery of polonium was a great scientific finding. This...
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  • Henri Becquerel Marie Curie
    1,212 words
    Henri Becquerel, a French physicist, was born in Paris on December 15, 1852. His grandfather, Antoine-Cesar Becquerel, had fought at the battle of Waterloo in 1815 and later earned a considerable reputation as a physicist. He made important contributions to the study of electrochemistry, meteorology, and agriculture. Henri father, Alexander-Edmond Becquerel, also made a name for himself in science. His research-included studies on photography, heat, and the conductivity of hot gases, and lumines...
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  • Marie And Pierre Marie Curie
    1,431 words
    Aspirations come from hopes and dreams only a dedicated person can conjure up. They can range from passing the third grade to making the local high school football team. Marie Curie's aspirations, however, were much greater. Life in late 19 th century Poland was rough. Being a female in those days wasn't a walk in the park either. Marie Curie is recognized in history by the name she took in her adopted country, France. Born in Poland in 1867, she was christened Many Sklodowska. In the year of he...
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  • Miles Per Second Speed Of Light
    1,615 words
    Our universe is a vast abyss, always expanding without bound. Many objects in space are exciting and intriguing. Mysterious surround many findings and cosmologists, astrophysicists, and astronomers work to obtain a better understanding of these strange phenomena. One great mystery is that of the black hole, which since the early 1960? s has been the object of many scientists? work, but has been dated to be the topic of discussion since 1783, when a astronomer named John Michell first recorded hi...
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  • Double Helix X Ray
    784 words
    Born on July 25, 1920 in London, England, Rosalind Elise Franklin was a catalyst to many other scientists in the field of genetics. Using coal and carbon as subjects, Franklin discovered the double helix of DNA, the shape that two linear strands of DNA assume when bonded together. In 1945, Franklin received her Ph. D in physical chemistry from Cambridge University. The next year she went to Paris and worked in the Laboratoire Central des Services Chimiques de Left until 1950 where she concentrat...
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  • Radio Telescopes Radio Waves
    1,285 words
    ... copes Orbiting telescopes are used to observe the ultraviolet (UV), far infrared, and X-ray portions of the electromagnetic spectrum. The Infrared Astronomical Satellite, placed in orbit in 1983, carried a 22. 5 -inch infrared telescope. Because all matter emits infrared radiation if warm, technologists had to cool the telescope to near absolute zero with liquid helium so its internal heat radiation would not mask radiation it was collecting from deep space objects. Among its many discoverie...
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  • 100 000 People Genetic Diseases
    1,823 words
    "We [the human race]|do not have much time to prove that we are not the product of a lethal mutation" Science 263: 181, 1994 "I almost think it is the ultimate destiny of science to exterminate the human race. " Thomas Love Peacock The genetic catastrophe consists of four major genetic "epidemics" - those of cancer, vascular disease, musculoskeletal disease, and behavioral disease. There are identified approximately 250 common genetic diseases, and approximately 7, 000 "rare" genetic diseases. T...
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  • Intellectual Property Rights X Rays
    839 words
    Physics Current Event Article Traditionally, for about 40 years now, cancer therapy has been using protons to treat tumors. This treatment has been in use since 1946, after Robert Wilson, a Berkeley physicist offered it as an option to less effective X-rays method. However, protons, as well as X-rays cause damage to DNA because they use radiation. According to Michael Holzscheiter, a spokesman for Geneva Cern's particle accelerator laboratory, there a new, revolutionary safer method for treating...
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  • X Ray Nobel Prize
    1,955 words
    Best Candidate Introduction There has been a trend within recent years to foster the use of digital technologies in our life. Medicine is no exception to the rule, as it continues to use new generation of equipment, which uses the state-of-the-art digital technologies aimed to facilitate obtaining and processing data. This trend develops dynamically, and digital x-ray diagnostics becomes the most technologically advanced direction in the medicine. The paper explores the history of x-ray, the his...
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  • Cat Scanning The Best In Early Diagnostics
    2,074 words
    CAT Scanning. The Best in Early Diagnostics? The modern medicine has gone through many stages during its evolution. If we are to ask any doctor what is the most important thing during medication, most of the times we will get a single answer: the timely and correct diagnosis. The history of diagnosis begins with the simplest visual check and cardiogram, and nowadays continues with sophisticated ultra-sound examinations and CAT Scanning. Currently CAT Scan is the most advanced method of diagnosti...
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  • Health Care Professionals Skin Test
    1,431 words
    Tuberculosis (TB) is Tuberculosis Tuberculosis Tuberculosis (TB) is an infectious disease caused by a germ (bacterium) called Mycobacterium tuberculosis. This germ primarily affects the lungs and may infect anyone at any age. In the United States, the number of TB cases steadily decreased until 1986 when an increase was noted; TB has continued to rise since. Today, ten million individuals are infected in the U. S. , as evidenced by positive skin tests, with approximately 26, 000 new cases of act...
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  • Cell Lung Cancer Small Cell Lung
    3,371 words
    Lung cancer is not just one disease but rather a group of diseases. All forms of cancer cause cells in the body to change and grow out of control. Most types of cancer cells form a lump or mass called a tumor. Cells from the tumor can break away and travel to other parts of the body where they can continue to grow. This spreading process is called metastasis. When cancer spreads, it is still named after the part of the body where it started. For example, if breast cancer spreads to the lungs, it...
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  • Electrons Collide Focal Spot Rays
    222 words
    Production of x-rays requires training a stream of electrons produced at a metal cathode on a metal anode. As the electrons collide with atoms in the anode, they are stopped but their energy is released in two forms mostly heat and a very small quantity (1 %) as x-rays. The area ofthe cathode where the fast moving electrons collide is called the focal spot and is in fact the source of the x-rays. The x-rays generated at the focal spot travel out in all directions. However, the head of the x-ray ...
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  • Ultraviolet Rays Gamma Rays
    343 words
    I went to Hawaii on vacation to get a tan, but I got something else instead. Ultraviolet rays are stronger, and hotter near the equator. When I got home I got x-rays. I was sent for treatment with gamma rays. Wow! What a vacation. It was so hot that I had to jump into a pool just to cool off. Ultraviolet rays have wavelengths between 10 nm and 430 nm. They also have a very high frequency of about 10, 000, 000, 000, 000, 000 Hz. - 1, 000, 000, 000, 000, 000, 000 Hz. Photon energy emissions are al...
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  • Henri Becquerel Marie Curie
    1,241 words
    Henri Henri Becquerel Henri Becquerel Henri Becquerel, a French physicist, was born in Paris on December 15, 1852. His grandfather, Antoine-Cesar Becquerel, had fought at the battle of Waterloo in 1815 and later earned a considerable reputation as a physicist. He made important contributions to the study of electrochemistry, meteorology, and agriculture. Henri father, Alexander-Edmond Becquerel, also made a name for himself in science. His research-included studies on photography, heat, and the ...
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  • Marie Curie Henri Becquerel
    881 words
    LIFE Marie Curie MARIE CURIE LIFE OF MARIE CURIE Marie Curie (1867 - 1934) was a French physicist with many accomplishments in both physics and chemistry. Marie and her husband Pierre, who was also a French physicist, are both famous for their work in radioactivity. Marie Curie, originally named Marja Sklodowska, was born in Warsaw, Poland on Nov. 7, 1867. Her first learning of physics came from her father who taught it in high school. Maries father must have taught his daughter well because in ...
    Free research essays on topics related to: x rays, pierre curie, nobel prize, marie curie, henri becquerel
  • Marie Curie Nobel Prizes
    1,172 words
    Why was Marie Curie a significant woman in European Science? Marie Curie was the most successful scientist to come out of Poland. She saw science as a beauty that she wanted to withhold. # Science to her was an unknown fairy tale phenomena that she was determined to discover. Marie Curie wanted to use science to help others, and the world. She accomplished this by working in World War I, and discovering radium, and polonium. Marie Curie? s discovery of polonium was a great scientific finding. Th...
    Free research essays on topics related to: x rays, marie, curie, marie curie, nobel prizes
  • Long Term Effects World War Ii
    2,387 words
    Radium is a silver-white, highly radioactive element. It? s atomic number is 88, and it is the heaviest alkali earth metal, having a mass number of 226. 025 (See Figure 1). Radium has at least twenty six isotopes, and all are radioactive (Shriver 1995). Since radium is chemically similar to calcium and magnesium, it is absorbed by the bones of animals. Once in the bones, it emits alpha, beta, and gamma rays (Shriver 1993). These rays shrink or destroy tissues and they are the reason radium is so...
    Free research essays on topics related to: marie curie, gamma rays, world war ii, long term effects, henri becquerel
  • Lymph Nodes Lung Disease
    1,763 words
    Sarcoidosis is an Sarcoidosis Sarcoidosis Sarcoidosis is an awful disease that is afflicting people worldwide. Although not much is known about what brings the disease about, much medical research has been done to try and help patients cope with their ailments. The term Sarcoidosis is derived from two Latin words, Sarah and Oid. When put together the term means like cutting flesh (web). This term describes exactly how the physical bodies of Sarcoid patients feel. Sarcoidosis is an inflammatory d...
    Free research essays on topics related to: lymph nodes, x rays, side effects, skin test, lung disease
  • Cerebral Cortex Spinal Cord
    1,669 words
    The Human Brain and Methods of Discovery The human nervous system consists of several parts. The main structures are the brain and the spinal cord. The system includes nerves that sense external and internal stimuli and then relay the information to the central processing unit the brain. The brain is the portion of the vertebrate central nervous system that constitutes the organ of thought and neural coordination. It includes all the higher nervous centers, receiving stimuli from the sense organ...
    Free research essays on topics related to: cerebral cortex, ct scans, spinal cord, brain structure, technological advances

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