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Top competitors on query "how did william conrad roentgen discovered x rays"
Topic Galleries - Sun Sentinel
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Heat add Roger Mason Jr., camp roster at 19 Make that 19 players under contract for the Miami Heat entering Tuesday's start of training camp in the Bahamas, one shy of the camp maximum. Don't bring America to economic brink Congress has until midnight Monday to reach a budget deal to prevent the first federal government shutdown since 1996
The Cathode Ray Tube site, Crookes tubes.
http://www.crtsite.com/page7.html Competition: low
Many Crookes tubes stood at the base of further discoveries like the X-ray tube and the Braun tube which developed later on into our well known TV tube. He worked as a Scientist in his own laboratory in London where he did all of his research and developed a range of different types of high vacuum tubes
Casablanca (1942) - IMDb
http://www.imdb.com/title/tt0034583/ Competition: low
When Nazi Major Strasser arrives in Casablanca, the sycophantic police Captain Renault does what he can to please him, including detaining a Czechoslovak underground leader Victor Laszlo. He sticks his neck out for nobody.Nobody except the great love of his life Ingrid Bergman who left him mysteriously in Paris as he was fleeing the oncoming German occupation
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If, for example, you mostly go online to browse web pages, use email, shop and check your Facebook page, you probably don't use a massive amount of bandwidth. Why base plans on bandwidth Satellite Internet? Because it's the simples and most efficient way for YOU to decide what your needs are and to choose accordingly
Topic Galleries - Orlando Sentinel
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Seeing red over cameras? Lights will stay yellow a bit longer now Yellow lights at hundreds of Florida intersections will last a tiny bit longer because of new state guidelines crafted after complaints from motorists ticketed by red-light cameras. Jury finds ex-Orlando cop not guilty of rape Roderick Johnson, the since-retired Orlando police officer accused of coercing an arrested woman into having sex inside a police substation last year, was found not guilty of sexual battery Wednesday night
Marie Curie - Research Breakthroughs (1897-1904)
http://www.aip.org/history/curie/resbr1.htm Competition: low
Although he tried to help the Curies solve their financial problems and advance their careers, the relationship eventually soured--as sometimes happens with scientists touchy about sharing credit for discoveries. In December 1895, about six months after the Curies married, German physicist Wilhelm Roentgen discovered a kind of ray that could travel through solid wood or flesh and yield photographs of living people's bones
http://www.pbs.org/wgbh/nova/body/accidental-discoveries.html Competition: low
Enlarge Photo credit: Corbis In 1889, German physicians Joseph von Mering and Oscar Minkowski removed the pancreas from a healthy dog in order to study the role of the pancreas in digestion. A seemingly insignificant finding by one researcher leads to a breakthrough discovery by another; a physician methodically pursuing the answer to a medical conundrum over many years suddenly has a "Eureka" moment; a scientist who chooses to study a contaminant in his culture rather than tossing it out stumbles upon something entirely new
http://quizlet.com/6011599/x-ray-tech-chapter-1-flash-cards/ Competition: low
The plate that lit up when the first x-rays were being taken was coated with what substance? Clarence Dally Who was the first known x-ray fatality? 1930s (30+ years after x-ray was introduced) When did the first laws regarding x-ray protection come into effect? Calcium Tungstate and Rare Earth What are the two materials used to make intensifying screens? Highly penetrating, electrically neutral, heterogeneous (or polyenergetic) with a wide span of wavelengths and energies, they lose energy when they interact with matter, travel in straight lines, travel at the speed of light (in a vaccume), can ionize gases, cause certain crystals to fluoresce, cannot be focused by a lens, affect photographic film, produce chemical and biological changes, produce secondary and scatter radiation, cannot be detected by human senses, cannot be stored in matter, do not cause matter to become radioactive, diagnostically they are a form of manmade energy. What is the ASRT? Chicago, 1920 Where and when was the ASRT founded? ASRT Which organization provides continuing education, newsletters and a professional journal among other services to its members? ASRT This organization is responsible for developing a comprehensive curriculum for radiographers
The Cathode Ray Tube site, X-Ray tubes.
http://www.crtsite.com/page5.html Competition: low
The blue glass seals and platinum connections indicate a production date late 1800, so it is possibly an experimental tube from the time that the X-Rays were invented. It was a small pear shaped tube with two electrodes one in the form of a ring which can be seen against the wall on a photographic picture from The Windsor Magazine 1896 spring section
X-ray : Wikis (The Full Wiki)
http://www.thefullwiki.org/X-ray Competition: low
Direct semiconductor detectors Since the 1970s, new semiconductor detectors have been developed (silicon or germanium doped with lithium, Si(Li) or Ge(Li)). In more recent years, computerized and digital radiography has been replacing photographic film in medical and dental applications, though film technology remains in widespread use in industrial radiography processes (e.g
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Many different types of stars, including our Sun, have stellar winds; however, a star's wind is strongest near the end of its life when it has consumed most of its fuel. Tell me about X-rays from supernovae and their remnants Tell me about gamma rays from supernovae Tell me more about supernovae Tell me more about supernova remnants sunspots Cooler (and thus darker) regions on the sun where the magnetic field loops up out of the solar surface
http://www.nobelprize.org/nobel_prizes/physics/laureates/1901/rontgen-bio.html?print=1 Competition: low
When he was three years old, his family moved to Apeldoorn in The Netherlands, where he went to the Institute of Martinus Herman van Doorn, a boarding school. Not having attained the credentials required for a regular student, and hearing that he could enter the Polytechnic at Zurich by passing its examination, he passed this and began studies there as a student of mechanical engineering
http://www.wordiq.com/definition/X-ray Competition: low
He found, when he placed unexposed photographic plates near the tube, that some of them were flawed by shadows, though he did not investigate this effect. Hard X-rays overlap the range of long-wavelength (low energy) gamma rays, however the distinction between the two terms depends on the source of the radiation, not its wavelength: X-ray photons are generated by energetic electron processes, gamma rays by transitions within atomic nuclei
Wilhelm Conrad Roentgen - Biography, Facts and Pictures
http://www.famousscientists.org/wilhelm-conrad-roentgen/ Competition: low
He conducted a series of experiments in 1895 in which he connected a type of vacuum tube (visualize a light bulb on steroids) called a Hittorf-Crookes tube to an early and very powerful electrostatic charge generator known as a Ruhmkorff coil, similar to what sparks a car motor to start. We know now that the cathode ray had excited the atoms of the aluminum to produce X-rays, which in turn excited the atoms of the barium (an element which fluoresces readily) He also discovered that when his hand passed between the electrically charged vacuum tube and the barium platinocyanide coated screen, he saw his bones
Roentgen's discovery of the x-ray
http://www.bl.uk/learning/artimages/bodies/xray/roentgen.html Competition: low
In the first twenty years following Roentgen's discovery, x-rays were used to treat soldiers fighting in the Boer war and those fighting in WWI, finding bone fractures and imbedded bullets. Although the tube was covered in black paper and the room was completely dark, he noticed that a screen covered in fluorescent material was illuminated by the rays
http://web.lemoyne.edu/~giunta/roentgen.html Competition: low
Now it has been known for a long time, that besides the transverse vibrations which account for the phenomena of light, it is possible that longitudinal vibrations should exist in the ether, and, according to the view of some physicists, must exist. The research was conducted by the aid of finely-powdered rock-salt, fine electrolytic silver powder, and zinc dust already many times employed in chemical work
The Discovery of X-Rays
http://www.ndt-ed.org/EducationResources/HighSchool/Radiography/discoveryxrays.htm Competition: low
Roentgen shielded the tube with heavy black paper, and found that a green colored fluorescent light could be seen coming from a screen setting a few feet away from the tube
http://imagine.gsfc.nasa.gov/docs/people/Wilhelm_Roentgen.html Competition: low
He had been fiddling with a set of cathode ray instruments and was surprised to find a flickering image cast by his instruments separated from them by some distance. This page last updated: Thursday, 18-Oct-2007 16:01:52 EDT Useful plugins Privacy Policy and Important Notices Do you have a question, problem or comment about this web site? Please let us know
X-ray - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/X-ray Competition: low
However, the effect of ionizing radiation on matter (especially living tissue) is more closely related to the amount of energy deposited into them rather than the charge generated. So the resulting output of a tube consists of a continuous bremsstrahlung spectrum falling off to zero at the tube voltage, plus several spikes at the characteristic lines
http://science.hq.nasa.gov/kids/imagers/ems/xrays.html Competition: low
Metal absorbs even more X-rays - can you see the filling in the image of the tooth? When the Sun shines on us at a certain angle, our shadow is projected onto the ground. Because your bones and teeth are dense and absorb more X-rays then your skin does, silhouettes of your bones or teeth are left on the X-ray film while your skin appears transparent
http://en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen Competition: low
The award was officially "in recognition of the extraordinary services he has rendered by the discovery of the remarkable rays subsequently named after him". He later reported that it was at this point that he determined to continue his experiments in secrecy, because he feared for his professional reputation if his observations were in error
Wilhelm Conrad Roentgen and the Discovery of X-Ray Beams
http://explorable.com/wilhelm-conrad-roentgen Competition: low
X-rays are extensively used in medicine and industry to produce images of internal structures because they are absorbed by many forms of matter, including body tissues. His Early Life and Education Born on March 27, 1845 in the small town of Lennep (Rhine Province) in Germany; Wilhelm Conrad Roentgen was the only child of a cloth merchant
William Conrad Roentgen: Discoverer of X-Rays
http://nevermore.tripod.com/xray.htm Competition: low
Eventually the Institute of Physics at the Wuerzburg University did offer him the coveted professorial chair, which he accepted, and in 1888 Professor Roentgen was elected Chancellor of the University. Wilhelm Konrad Roentgen: Discoverer of X-Rays Ursula's History Web Wilhelm Konrad Roentgen was born on March 27, 1845, in Lennop, a small town in the Rhineland of Germany
Topic Galleries - Sun Sentinel
Heat add Roger Mason Jr., camp roster at 19 Make that 19 players under contract for the Miami Heat entering Tuesday's start of training camp in the Bahamas, one shy of the camp maximum. Don't bring America to economic brink Congress has until midnight Monday to reach a budget deal to prevent the first federal government shutdown since 1996
The Cathode Ray Tube site, Crookes tubes.
Many Crookes tubes stood at the base of further discoveries like the X-ray tube and the Braun tube which developed later on into our well known TV tube. He worked as a Scientist in his own laboratory in London where he did all of his research and developed a range of different types of high vacuum tubes
Casablanca (1942) - IMDb
When Nazi Major Strasser arrives in Casablanca, the sycophantic police Captain Renault does what he can to please him, including detaining a Czechoslovak underground leader Victor Laszlo. He sticks his neck out for nobody.Nobody except the great love of his life Ingrid Bergman who left him mysteriously in Paris as he was fleeing the oncoming German occupation
If, for example, you mostly go online to browse web pages, use email, shop and check your Facebook page, you probably don't use a massive amount of bandwidth. Why base plans on bandwidth Satellite Internet? Because it's the simples and most efficient way for YOU to decide what your needs are and to choose accordingly
Topic Galleries - Orlando Sentinel
Seeing red over cameras? Lights will stay yellow a bit longer now Yellow lights at hundreds of Florida intersections will last a tiny bit longer because of new state guidelines crafted after complaints from motorists ticketed by red-light cameras. Jury finds ex-Orlando cop not guilty of rape Roderick Johnson, the since-retired Orlando police officer accused of coercing an arrested woman into having sex inside a police substation last year, was found not guilty of sexual battery Wednesday night
Marie Curie - Research Breakthroughs (1897-1904)
Although he tried to help the Curies solve their financial problems and advance their careers, the relationship eventually soured--as sometimes happens with scientists touchy about sharing credit for discoveries. In December 1895, about six months after the Curies married, German physicist Wilhelm Roentgen discovered a kind of ray that could travel through solid wood or flesh and yield photographs of living people's bones
Enlarge Photo credit: Corbis In 1889, German physicians Joseph von Mering and Oscar Minkowski removed the pancreas from a healthy dog in order to study the role of the pancreas in digestion. A seemingly insignificant finding by one researcher leads to a breakthrough discovery by another; a physician methodically pursuing the answer to a medical conundrum over many years suddenly has a "Eureka" moment; a scientist who chooses to study a contaminant in his culture rather than tossing it out stumbles upon something entirely new
The plate that lit up when the first x-rays were being taken was coated with what substance? Clarence Dally Who was the first known x-ray fatality? 1930s (30+ years after x-ray was introduced) When did the first laws regarding x-ray protection come into effect? Calcium Tungstate and Rare Earth What are the two materials used to make intensifying screens? Highly penetrating, electrically neutral, heterogeneous (or polyenergetic) with a wide span of wavelengths and energies, they lose energy when they interact with matter, travel in straight lines, travel at the speed of light (in a vaccume), can ionize gases, cause certain crystals to fluoresce, cannot be focused by a lens, affect photographic film, produce chemical and biological changes, produce secondary and scatter radiation, cannot be detected by human senses, cannot be stored in matter, do not cause matter to become radioactive, diagnostically they are a form of manmade energy. What is the ASRT? Chicago, 1920 Where and when was the ASRT founded? ASRT Which organization provides continuing education, newsletters and a professional journal among other services to its members? ASRT This organization is responsible for developing a comprehensive curriculum for radiographers
The Cathode Ray Tube site, X-Ray tubes.
The blue glass seals and platinum connections indicate a production date late 1800, so it is possibly an experimental tube from the time that the X-Rays were invented. It was a small pear shaped tube with two electrodes one in the form of a ring which can be seen against the wall on a photographic picture from The Windsor Magazine 1896 spring section
X-ray : Wikis (The Full Wiki)
Direct semiconductor detectors Since the 1970s, new semiconductor detectors have been developed (silicon or germanium doped with lithium, Si(Li) or Ge(Li)). In more recent years, computerized and digital radiography has been replacing photographic film in medical and dental applications, though film technology remains in widespread use in industrial radiography processes (e.g
Many different types of stars, including our Sun, have stellar winds; however, a star's wind is strongest near the end of its life when it has consumed most of its fuel. Tell me about X-rays from supernovae and their remnants Tell me about gamma rays from supernovae Tell me more about supernovae Tell me more about supernova remnants sunspots Cooler (and thus darker) regions on the sun where the magnetic field loops up out of the solar surface
When he was three years old, his family moved to Apeldoorn in The Netherlands, where he went to the Institute of Martinus Herman van Doorn, a boarding school. Not having attained the credentials required for a regular student, and hearing that he could enter the Polytechnic at Zurich by passing its examination, he passed this and began studies there as a student of mechanical engineering
He found, when he placed unexposed photographic plates near the tube, that some of them were flawed by shadows, though he did not investigate this effect. Hard X-rays overlap the range of long-wavelength (low energy) gamma rays, however the distinction between the two terms depends on the source of the radiation, not its wavelength: X-ray photons are generated by energetic electron processes, gamma rays by transitions within atomic nuclei
Wilhelm Conrad Roentgen - Biography, Facts and Pictures
He conducted a series of experiments in 1895 in which he connected a type of vacuum tube (visualize a light bulb on steroids) called a Hittorf-Crookes tube to an early and very powerful electrostatic charge generator known as a Ruhmkorff coil, similar to what sparks a car motor to start. We know now that the cathode ray had excited the atoms of the aluminum to produce X-rays, which in turn excited the atoms of the barium (an element which fluoresces readily) He also discovered that when his hand passed between the electrically charged vacuum tube and the barium platinocyanide coated screen, he saw his bones
Roentgen's discovery of the x-ray
In the first twenty years following Roentgen's discovery, x-rays were used to treat soldiers fighting in the Boer war and those fighting in WWI, finding bone fractures and imbedded bullets. Although the tube was covered in black paper and the room was completely dark, he noticed that a screen covered in fluorescent material was illuminated by the rays
Now it has been known for a long time, that besides the transverse vibrations which account for the phenomena of light, it is possible that longitudinal vibrations should exist in the ether, and, according to the view of some physicists, must exist. The research was conducted by the aid of finely-powdered rock-salt, fine electrolytic silver powder, and zinc dust already many times employed in chemical work
The Discovery of X-Rays
Roentgen shielded the tube with heavy black paper, and found that a green colored fluorescent light could be seen coming from a screen setting a few feet away from the tube
He had been fiddling with a set of cathode ray instruments and was surprised to find a flickering image cast by his instruments separated from them by some distance. This page last updated: Thursday, 18-Oct-2007 16:01:52 EDT Useful plugins Privacy Policy and Important Notices Do you have a question, problem or comment about this web site? Please let us know
X-ray - Wikipedia, the free encyclopedia
However, the effect of ionizing radiation on matter (especially living tissue) is more closely related to the amount of energy deposited into them rather than the charge generated. So the resulting output of a tube consists of a continuous bremsstrahlung spectrum falling off to zero at the tube voltage, plus several spikes at the characteristic lines
Metal absorbs even more X-rays - can you see the filling in the image of the tooth? When the Sun shines on us at a certain angle, our shadow is projected onto the ground. Because your bones and teeth are dense and absorb more X-rays then your skin does, silhouettes of your bones or teeth are left on the X-ray film while your skin appears transparent
The award was officially "in recognition of the extraordinary services he has rendered by the discovery of the remarkable rays subsequently named after him". He later reported that it was at this point that he determined to continue his experiments in secrecy, because he feared for his professional reputation if his observations were in error
Wilhelm Conrad Roentgen and the Discovery of X-Ray Beams
X-rays are extensively used in medicine and industry to produce images of internal structures because they are absorbed by many forms of matter, including body tissues. His Early Life and Education Born on March 27, 1845 in the small town of Lennep (Rhine Province) in Germany; Wilhelm Conrad Roentgen was the only child of a cloth merchant
William Conrad Roentgen: Discoverer of X-Rays
Eventually the Institute of Physics at the Wuerzburg University did offer him the coveted professorial chair, which he accepted, and in 1888 Professor Roentgen was elected Chancellor of the University. Wilhelm Konrad Roentgen: Discoverer of X-Rays Ursula's History Web Wilhelm Konrad Roentgen was born on March 27, 1845, in Lennop, a small town in the Rhineland of Germany
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