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William Roentgen discovers X-Rays in 1895 while experimenting with cathode rays. He calls them X-Rays because he didn't actaually know how or where they originated. His discovery was quickly adopted by the medicalcommunity and allowed for a revolution in diagnostic imaging. -
First Nobel Prize awarded in the field of Physics. Awarded for his discovery of X-rays in 1895. At the time he was associated with Munich University. -
Marie Curie revolutionized the field of physics and chemistry with her groundbreaking work and research on radioactivity. First to recognize certain substances emitt rays from their own atoms. In 1903 she wins a Nobel Prize in Physics for her work in radioactivity along side her husband, Henri Becquerel. -
The Coolidge Tube was invented by American Physicist William Coolidge in 1913 The use of a heated tungsten filament in a high vacuum tube allowed for a pure electron discharge and greater control over the intensity and energy of X-rays. The Coolidge Tube would greatly improve reliability and performance of X-rays and push the field of diagnostic imaging to new heights. -
Research during WWII to produce the first nuclear weapons. The project employed nearly 130,000 people and cost 2 Billion. The project proposed both highly enriched uranium and plutonium as fuelfor nuclear weapons. Plutonium was produced in the worlds first industrial scale nuclear reactors at the Hanford Engineer Works in Washington just east of our current location. -
Seldinger technique developed in 1953 was a technique utilizing a needle and guide wire to access blood vessels. This would lay the foundation for interventional radiography as we know it today. Charles Dotter would introduce the first successful transluminal angioplasty in 1964. The use of catheter and X-ray would be combined to open a blocked artery. The technology would go on to evolve into coronaryangioplasty, stent development, embolization, and use in other organs like kidney and liver. -
The first clinical scan was performed in 1971 at Atkinson Morley Hospital in London. After the public presentation of the first results in 1972 to the enthusiastic radiological community, several companies around the world began developing their own CT systems. the first modelknown as the EMI Mark 1 operated aat 120kVp and 32mA. -
April 26, 1986 reactor number 4 at the Chernobyl Nuclear Power Plant exploded. Of the 237 workers hospitalized , 134 of them showed acute radiation symptoms of which 28 died within three months of the initial explosion. Full clean up of the site aims for completion by 2065. -
On March 11th 2011 the Tohoku earthquake and tsunami caused an electrical grid failure and subsequently caused the inability to cool reactors resulting in the release of radioactive contaminents. The accident was rated at maximum severity on the International Nuclear Event Scale. The number of people displaced by the event is a staggering 164,000. Many fatalities occured in the chaos of evacuation. -
A puplication for anyone who has duties under the control of electromagnetic fields. Responsibility for health and safety. Identifying sources of EMF's in your workplace. Assessing the exposure of employeesto EMF's Action Levels and Exposure
Limit Values