(BBC Bitesize) Magnetic fields also deflect it, making it the heaviest and most magnetically charged radioactive particle. Radiation protection is the science of protecting the human population and environment from the harmful effects of ionizing radiation, such as electromagnetic and particulate radiations. GCSE BBC Bitesize Higher Science - Radioactivity Testing for Carbon Dioxide being absorbed by plants in Photosynthesis using Radioactive Carbon 14 GCSE Science Revision - Radiation in Medicine GCSE Science Revision - Alpha Beta and Gamma Radiation GCSE Science Revision - Carbon Dating GCSE Science Revision - Halflife Eyes Protons and electrons have exactly the same size of charge, but opposite charge as each other. All matter is constantly bombarded with radiation of both types from cosmic and terrestrial sources. Possibly could be scaffolded for pupils requiring support. What is a Geiger counter BBC Bitesize? The use of radiation has revolutionized the field of medical imaging technology. Microwaving and steaming caused a loss in phenolic content in squash, peas and leeks, but not in spinach, peppers, broccoli or green beans. In the field of therapy, the radioactive product can destroy cancer cells by igenerating high doses of radiation. 19 June 2015. They also have facilitated the development of new methods Monash is committed to admissions transparency.
Gamma radiation is used in the treatment of cancer, testing equipment and sterilising medical instruments. Radiation offers extraordinary benefits for the diagnosis of a wide range of diseases and ailments, from broken bones to heart disease. This article delineates the properties and behaviour of radiation and the matter with which it interacts and describes how energy is transferred from 6 Overall Radiation Exposure of the UK Population 28 6.1 Exposure of the UK population to ubiquitous radiation in the environment 28 6.2 Exposure of patients from the medical use of radiation 30 6.3 Occupational exposure arising from the use of radiation 31 6.4 Exposure of the UK population to all sources of ionising radiation 33 Analytical research: UV light is widely used in the analysis of substances. BBC Bitesize - GCSE Physics (Single Science) - Uses and hazards of radiation - Revision 1 Calcium in bones absorbs x-rays the most, so bones look white. What does ionising radiation mean BBC Bitesize? [1] Using radiation-induced genetic alterations have become established as part of plant breeding methods. X-rays and gamma rays are created in power plants for nuclear energy, and are also used in smaller amounts for medical imaging tests, cancer treatment, food irradiation, and airport security scanners. X-ray imaging creates pictures of the inside of your body. This article delineates the properties and behaviour of radiation and the matter with which it interacts and describes how energy is transferred from Medical uses of radiation. Wilhelm Rontgen put his discovery of X-Ray radiation to use for medicine back in 1895 by taking an image of the bones in his hand. Some electromagnetic waves can be used in medicine for imaging purposes, which allows doctors to explore what is happening inside a alpha radiation will damage cells if the radioactive source has been breathed in as a gas or dust or if it is swallowed. Information sheet based on BBC bitesize material for AQA (share between groups or place around room). It then sends signals to the equipment that adjusts the thickness of the material. Leopard then recommend the x-ray beam is as a treatment for hypertrichosis. Learn about and revise irradiation, contamination and the uses and dangers or radiation with GCSE Bitesize Combined Science. Reccomended pages for pupils who require more structure: Gamma radiation is widely used to sterilise medical equipment; Gamma is most suited to this because: It is the most penetrating out of all the types of radiation; It is penetrating enough to irradiate all sides of the instruments; Instruments can be sterilised without removing the packaging X-Ray Permanent Hair Removal. BBC Bitesize: Heat Transfer and Efficiency written by the General Certificate of Secondary Education Bitesize published by the British Broadcasting Corporation This site published by the British Broadcasting Corporation explains how heat energy is transferred by the processes of radiation, conduction, and convection. This site published by the British Broadcasting Corporation explains how heat energy is transferred by the processes of radiation, conduction, and convection. The most common harms are likely to be from non-ionising radiation sources such as ultraviolet, welding arc flashes, micro waves and laser equipment, and to a lesser extent, Radiofrequency which fall on the Electromagnetic spectrum. Thanks to the targeted injection of radiopharmaceutical drugs, it is possible to treat, for example, certain cancers such as hyperthyroidism and synovitis. People are exposed to sources of radiation in all aspects of everyday life. Radioactive sources can be very useful but need handling carefully to ensure safety. Gamma rays are high energy electromagnetic waves which are only stopped by thick lead. This means they can easily pass through medical equipment, such as syringes. Types of radioactive decay. The use of radiation has revolutionized the field of medical imaging technology. The inner workings of the human body can now be visualized with greatly increased accuracy making radioactivity scans among the most important tools in the diagnosticians arsenal. In-text: (BBC - Higher Bitesize Physics - Dosimetry and safety : Revision, 2017) Your Bibliography: Bbc.co.uk. This GCSE Physics quiz on radioactivity takes a look at radioactive substances. Those properties have enabled new ways of enhancing images of organs as well as tumours and other diseased tissues in the body. A flipped learning/research task for teaching the uses of radiation in medicine and industry. 257 Words. Focus is on AQA spec but material is similar to that used by other boards. The composition of the nucleus is made of protons and neutrons. Non-ionising radiation. The 9.0-magnitude quake was so forceful it shifted the Earth off its axis. Subject: Physics.
Some of the effects that radiation has on a human body are shown below. They further estimated that by 2065, 16,000 cases of thyroid cancer and 25,000 cases of other cancers could be attributed to the effects of Chernobyl radiation. Radiation is the release of energy, whether it takes the form of waves or particles. Sterilising Food and Medical Equipment. Certain chemicals concentrate in different damaged or diseased parts of the body, and the radiation concentrates with it. MedTerms medical dictionary is the medical terminology for MedicineNet.com. what is infrared radiation bbc bitesize.
The radiation emitted from unstable nuclei is called ionising radiation because as it passes through matter it can dislodge outer electrons from atoms causing them to become ions. Lasers produce a beam with low divergence does not spread out in which all the waves have the same frequency and are in phase in step with each other. It covers the areas of the Physics foundation paper. Sterilising Food and Medical Equipment. The instant you turn the light off, the electromagnetic radiation is gone. What does ionising radiation mean BBC Bitesize? More specifically tailored to GCSE AQA, but could suit other exam boards. X-rays and gamma rays are created in power plants for nuclear energy, and are also used in smaller amounts for medical imaging tests, cancer treatment, food irradiation, and airport security scanners. Another major impact of radiation in agriculture is the utilizing radiation for to induce genetic alterations in order to improve crop variates and mutation breeding. 1.1 Decay There are three main forms of radioactive decay; alpha (), beta () and gamma (). The International Commission on Radiological Protection (ICRP) considers aircrew to be exposed to cosmic radiation on their jobs. Extreme radiation could one day wipe mankind out, yet it may have sparked life in the first place. Radiation can save someones life through cancer treatment or, alternatively, force a person to live alone and lonely until death. Radioactivity - Radioactive Substances.
external icon. Radioactivity refers to the decay or splitting of an atomic nucleus. The same can be said about the energy of ionizing radiation. A flipped learning/research task for teaching the uses of radiation in medicine and industry. during medical procedures.The risks of individuals suffering health effects as a result of being exposed to ionising radiation of any kind whether from cosmic rays, a nuclear power plant, an X-ray machine, or airport full body scanner are measured in He measured radiation levels 100m from a mobile phone mast and 1m from a school laptop computer. Doctors may use radioactive chemicals called tracers for medical imaging. The radiation works by killing bacteria and viruses, or eliminating their ability to reproduce by severely damaging their DNA or RNA. These signals cannot pass through solid objects, but sometimes reflect off walls and ceilings to operate the television. radiation, flow of atomic and subatomic particles and of waves, such as those that characterize heat rays, light rays, and X rays. The small size of nanoparticles is especially advantageous in medicine; nanoparticles can not only circulate widely throughout the body but also enter cells or be designed to bind to specific cells. (Bodicoat, assignment) Sources, releasing radioactive energy, until a time that is does become stable once more (BBC Bitesize). The use of radiation in medicine carries risk; Radiation can: Kill or damage living cells; Cause cancer; Cause mutations; As a result, its use needs to be kept to a minimum; However, the benefits of using radiation in medicine can out way the potential risks. Learn about radiation and how it is used as well as the waste and dangers with BBC Bitesize GCSE Physics. Fullerenes are active molecules. doses of ionising radiation from medical exposures. Particulate radiation happens when an unstable (or radioactive) atom disintegrates. Types of radioactive decay. Abstract. When alpha, beta or gamma radiation enters the tube it produces ions in the gas. The Bachelor of Radiation Sciences prepares you to play an important role in shaping the future of health. Dorothy Hodgkin: The "Oxford housewife" who won a Nobel Prize. The use of radiation in medicine is now pervasive and routine. The GM tube is a hollow cylinder filled with a gas at low pressure. GCSE BBC Bitesize Higher Science - Radioactivity Testing for Carbon Dioxide being absorbed by plants in Photosynthesis using Radioactive Carbon 14 GCSE Science Revision - Radiation in Medicine GCSE Science Revision - Alpha Beta and Gamma Radiation GCSE Science Revision - Carbon Dating GCSE Science Revision - Halflife Examples of decay include alpha decay, beta decay, gamma decay, neutron release, and spontaneous fission. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. The inner workings of the human body can now be visualized with greatly increased accuracy making radioactivity scans among the most important tools in the diagnosticians arsenal. Bachelor degree. The nucleus (centre) of the atom contains the protons (positively charged) and the neutrons (no charge). Furthermore, how does radiation work Bitesize? His first, small scale study was dismissed by the National Radiological Protection Board, the government agency responsible for ensuring public safety from electromagnetic fields and radiation. +593 99 764 0762 [emailprotected] Nosotros; Servicios. No studies of radiation in humans have demonstrated an increase in cancer at the doses used in diagnostic X-rays.. A-bomb survivors (from Hiroshima and Nagasaki) who had large doses-greater than the equivalent of 150 years of background radiation-had a slight increase in cancer. Air purification. X-rays are a type of radiation called electromagnetic waves. BBC - Higher Bitesize Physics - Dosimetry and safety : Revision . This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. In addition, radiation has uses in such areas as agriculture, space exploration, law enforcement, geology and many others. X-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation. Summary. This damage can lead to uncontrolled cell division, the hallmark of cancer. Details. GCSE Physics (Single Science) Atoms and radiation learning resources for adults, children, parents and teachers. 6.
Radiation is the release of energy, whether it takes the form of waves or particles. Radioactivity refers to the decay or splitting of an atomic nucleus. The cancer risk from cumulative radiation exposure can be quantified using data taken from those exposed to radiation after the 1945 atomic bomb blasts at Hiroshima and Nagasaki. It triggered a tsunami which swept over the main island of Honshu, However, in the medical industry, radiation is used for x-rays, therapeutic uses, and in nuclear medicine procedures. All matter is constantly bombarded with radiation of both types from cosmic and terrestrial sources. Objective. Gamma rays, namely in the form of a radionuclide called cobalt 60, are used to preserve food in the same way as they are used to sterilize medical equipment in that they irradiate decay causing bacteria. Fullerene molecule can be used as an antioxidant because it can easily react with radicals due to the high affinity of the electron. Beta radiation is used for tracers and monitoring the thickness of materials. To trap insects. Since neutron radiation is not used, the remaining food doesnt become radioactive itself, leaving it safe to eat. MYP 5 - Unit 1 and 2 Revision Guide Unit 1: Revision Links: BBC Bitesize / Lumen Learning / BEST SITE EVER (IGCSE AID) Content 1. The proportion of cancers deemed to be caused by x-rays varies widely from country to country, says the report, published in the Lancet medical journal. It is a mainstay for treating some types of cancer. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Radioactive sources can be very useful but need handling carefully to ensure safety. Radiation is described as the transfer of heat energy by electromagnetic waves without involving particles. pptx, 25.81 MB. The risks posed by the radiation are smaller than the risks associated with leaving the condition untreated The radiation emitted from unstable nuclei is called ionising radiation because as it passes through matter it can dislodge outer electrons from atoms causing them to become ions. Radiation is energy that travels in the form of waves (electromagnetic radiation) or high-speed particles (particulate radiation). Background. Wilhelm Roentgen discovered X-rays in 1895, which was then observed by Dr.Leopold Freund from Austria. When an x-ray that travels through the body passes through a detector on the patient's other side, an image forms to represent the 'shadows' created by objects found inside the body. I will then explain uses and safe handling of radiation sources in medical, scientific and industrial applications. The ionising effect of radiation is used in the Geiger-Muller (GM) tube as a means of detecting the radiation. Overview: With the discovery of radiation in the late 1800's by Antoine Henri Becquerel, Marie Curie, and Pierre Curie, the powers of the atom were seemingly multiplied greatly. Bedside radiological procedures pose a risk of radiation exposure to ICU staff. Leopard observe if the x-rays can cause hair loss because of radiation. The aim of this study was to estimate the annual cumulative radiation dose to individual ICU staff. The dangers and uses of radiation People are exposed to sources of radiation in all aspects of everyday life. Getty Images. In the areas of biology and medicine, nuclear tracers are usually radiopharmaceutical products whose molecules contain a radioactive element - a marker. Avalos de Bienes Inmuebles; Avalos de Equipos, Maquinaria y Vehculos The images show the parts of your body in different shades of black and white.
Gamma radiation is used in the treatment of cancer, testing equipment and sterilising medical instruments. Radiation offers extraordinary benefits for the diagnosis of a wide range of diseases and ailments, from broken bones to heart disease. This article delineates the properties and behaviour of radiation and the matter with which it interacts and describes how energy is transferred from 6 Overall Radiation Exposure of the UK Population 28 6.1 Exposure of the UK population to ubiquitous radiation in the environment 28 6.2 Exposure of patients from the medical use of radiation 30 6.3 Occupational exposure arising from the use of radiation 31 6.4 Exposure of the UK population to all sources of ionising radiation 33 Analytical research: UV light is widely used in the analysis of substances. BBC Bitesize - GCSE Physics (Single Science) - Uses and hazards of radiation - Revision 1 Calcium in bones absorbs x-rays the most, so bones look white. What does ionising radiation mean BBC Bitesize? [1] Using radiation-induced genetic alterations have become established as part of plant breeding methods. X-rays and gamma rays are created in power plants for nuclear energy, and are also used in smaller amounts for medical imaging tests, cancer treatment, food irradiation, and airport security scanners. X-ray imaging creates pictures of the inside of your body. This article delineates the properties and behaviour of radiation and the matter with which it interacts and describes how energy is transferred from Medical uses of radiation. Wilhelm Rontgen put his discovery of X-Ray radiation to use for medicine back in 1895 by taking an image of the bones in his hand. Some electromagnetic waves can be used in medicine for imaging purposes, which allows doctors to explore what is happening inside a alpha radiation will damage cells if the radioactive source has been breathed in as a gas or dust or if it is swallowed. Information sheet based on BBC bitesize material for AQA (share between groups or place around room). It then sends signals to the equipment that adjusts the thickness of the material. Leopard then recommend the x-ray beam is as a treatment for hypertrichosis. Learn about and revise irradiation, contamination and the uses and dangers or radiation with GCSE Bitesize Combined Science. Reccomended pages for pupils who require more structure: Gamma radiation is widely used to sterilise medical equipment; Gamma is most suited to this because: It is the most penetrating out of all the types of radiation; It is penetrating enough to irradiate all sides of the instruments; Instruments can be sterilised without removing the packaging X-Ray Permanent Hair Removal. BBC Bitesize: Heat Transfer and Efficiency written by the General Certificate of Secondary Education Bitesize published by the British Broadcasting Corporation This site published by the British Broadcasting Corporation explains how heat energy is transferred by the processes of radiation, conduction, and convection. This site published by the British Broadcasting Corporation explains how heat energy is transferred by the processes of radiation, conduction, and convection. The most common harms are likely to be from non-ionising radiation sources such as ultraviolet, welding arc flashes, micro waves and laser equipment, and to a lesser extent, Radiofrequency which fall on the Electromagnetic spectrum. Thanks to the targeted injection of radiopharmaceutical drugs, it is possible to treat, for example, certain cancers such as hyperthyroidism and synovitis. People are exposed to sources of radiation in all aspects of everyday life. Radioactive sources can be very useful but need handling carefully to ensure safety. Gamma rays are high energy electromagnetic waves which are only stopped by thick lead. This means they can easily pass through medical equipment, such as syringes. Types of radioactive decay. The use of radiation has revolutionized the field of medical imaging technology. The inner workings of the human body can now be visualized with greatly increased accuracy making radioactivity scans among the most important tools in the diagnosticians arsenal. In-text: (BBC - Higher Bitesize Physics - Dosimetry and safety : Revision, 2017) Your Bibliography: Bbc.co.uk. This GCSE Physics quiz on radioactivity takes a look at radioactive substances. Those properties have enabled new ways of enhancing images of organs as well as tumours and other diseased tissues in the body. A flipped learning/research task for teaching the uses of radiation in medicine and industry. 257 Words. Focus is on AQA spec but material is similar to that used by other boards. The composition of the nucleus is made of protons and neutrons. Non-ionising radiation. The 9.0-magnitude quake was so forceful it shifted the Earth off its axis. Subject: Physics.
Some of the effects that radiation has on a human body are shown below. They further estimated that by 2065, 16,000 cases of thyroid cancer and 25,000 cases of other cancers could be attributed to the effects of Chernobyl radiation. Radiation is the release of energy, whether it takes the form of waves or particles. Sterilising Food and Medical Equipment. Certain chemicals concentrate in different damaged or diseased parts of the body, and the radiation concentrates with it. MedTerms medical dictionary is the medical terminology for MedicineNet.com. what is infrared radiation bbc bitesize.
The radiation emitted from unstable nuclei is called ionising radiation because as it passes through matter it can dislodge outer electrons from atoms causing them to become ions. Lasers produce a beam with low divergence does not spread out in which all the waves have the same frequency and are in phase in step with each other. It covers the areas of the Physics foundation paper. Sterilising Food and Medical Equipment. The instant you turn the light off, the electromagnetic radiation is gone. What does ionising radiation mean BBC Bitesize? More specifically tailored to GCSE AQA, but could suit other exam boards. X-rays and gamma rays are created in power plants for nuclear energy, and are also used in smaller amounts for medical imaging tests, cancer treatment, food irradiation, and airport security scanners. Another major impact of radiation in agriculture is the utilizing radiation for to induce genetic alterations in order to improve crop variates and mutation breeding. 1.1 Decay There are three main forms of radioactive decay; alpha (), beta () and gamma (). The International Commission on Radiological Protection (ICRP) considers aircrew to be exposed to cosmic radiation on their jobs. Extreme radiation could one day wipe mankind out, yet it may have sparked life in the first place. Radiation can save someones life through cancer treatment or, alternatively, force a person to live alone and lonely until death. Radioactivity - Radioactive Substances.
external icon. Radioactivity refers to the decay or splitting of an atomic nucleus. The same can be said about the energy of ionizing radiation. A flipped learning/research task for teaching the uses of radiation in medicine and industry. during medical procedures.The risks of individuals suffering health effects as a result of being exposed to ionising radiation of any kind whether from cosmic rays, a nuclear power plant, an X-ray machine, or airport full body scanner are measured in He measured radiation levels 100m from a mobile phone mast and 1m from a school laptop computer. Doctors may use radioactive chemicals called tracers for medical imaging. The radiation works by killing bacteria and viruses, or eliminating their ability to reproduce by severely damaging their DNA or RNA. These signals cannot pass through solid objects, but sometimes reflect off walls and ceilings to operate the television. radiation, flow of atomic and subatomic particles and of waves, such as those that characterize heat rays, light rays, and X rays. The small size of nanoparticles is especially advantageous in medicine; nanoparticles can not only circulate widely throughout the body but also enter cells or be designed to bind to specific cells. (Bodicoat, assignment) Sources, releasing radioactive energy, until a time that is does become stable once more (BBC Bitesize). The use of radiation in medicine carries risk; Radiation can: Kill or damage living cells; Cause cancer; Cause mutations; As a result, its use needs to be kept to a minimum; However, the benefits of using radiation in medicine can out way the potential risks. Learn about radiation and how it is used as well as the waste and dangers with BBC Bitesize GCSE Physics. Fullerenes are active molecules. doses of ionising radiation from medical exposures. Particulate radiation happens when an unstable (or radioactive) atom disintegrates. Types of radioactive decay. Abstract. When alpha, beta or gamma radiation enters the tube it produces ions in the gas. The Bachelor of Radiation Sciences prepares you to play an important role in shaping the future of health. Dorothy Hodgkin: The "Oxford housewife" who won a Nobel Prize. The use of radiation in medicine is now pervasive and routine. The GM tube is a hollow cylinder filled with a gas at low pressure. GCSE BBC Bitesize Higher Science - Radioactivity Testing for Carbon Dioxide being absorbed by plants in Photosynthesis using Radioactive Carbon 14 GCSE Science Revision - Radiation in Medicine GCSE Science Revision - Alpha Beta and Gamma Radiation GCSE Science Revision - Carbon Dating GCSE Science Revision - Halflife Examples of decay include alpha decay, beta decay, gamma decay, neutron release, and spontaneous fission. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. The inner workings of the human body can now be visualized with greatly increased accuracy making radioactivity scans among the most important tools in the diagnosticians arsenal. Bachelor degree. The nucleus (centre) of the atom contains the protons (positively charged) and the neutrons (no charge). Furthermore, how does radiation work Bitesize? His first, small scale study was dismissed by the National Radiological Protection Board, the government agency responsible for ensuring public safety from electromagnetic fields and radiation. +593 99 764 0762 [emailprotected] Nosotros; Servicios. No studies of radiation in humans have demonstrated an increase in cancer at the doses used in diagnostic X-rays.. A-bomb survivors (from Hiroshima and Nagasaki) who had large doses-greater than the equivalent of 150 years of background radiation-had a slight increase in cancer. Air purification. X-rays are a type of radiation called electromagnetic waves. BBC - Higher Bitesize Physics - Dosimetry and safety : Revision . This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. In addition, radiation has uses in such areas as agriculture, space exploration, law enforcement, geology and many others. X-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation. Summary. This damage can lead to uncontrolled cell division, the hallmark of cancer. Details. GCSE Physics (Single Science) Atoms and radiation learning resources for adults, children, parents and teachers. 6.
Radiation is the release of energy, whether it takes the form of waves or particles. Radioactivity refers to the decay or splitting of an atomic nucleus. The cancer risk from cumulative radiation exposure can be quantified using data taken from those exposed to radiation after the 1945 atomic bomb blasts at Hiroshima and Nagasaki. It triggered a tsunami which swept over the main island of Honshu, However, in the medical industry, radiation is used for x-rays, therapeutic uses, and in nuclear medicine procedures. All matter is constantly bombarded with radiation of both types from cosmic and terrestrial sources. Objective. Gamma rays, namely in the form of a radionuclide called cobalt 60, are used to preserve food in the same way as they are used to sterilize medical equipment in that they irradiate decay causing bacteria. Fullerene molecule can be used as an antioxidant because it can easily react with radicals due to the high affinity of the electron. Beta radiation is used for tracers and monitoring the thickness of materials. To trap insects. Since neutron radiation is not used, the remaining food doesnt become radioactive itself, leaving it safe to eat. MYP 5 - Unit 1 and 2 Revision Guide Unit 1: Revision Links: BBC Bitesize / Lumen Learning / BEST SITE EVER (IGCSE AID) Content 1. The proportion of cancers deemed to be caused by x-rays varies widely from country to country, says the report, published in the Lancet medical journal. It is a mainstay for treating some types of cancer. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Radioactive sources can be very useful but need handling carefully to ensure safety. Radiation is described as the transfer of heat energy by electromagnetic waves without involving particles. pptx, 25.81 MB. The risks posed by the radiation are smaller than the risks associated with leaving the condition untreated The radiation emitted from unstable nuclei is called ionising radiation because as it passes through matter it can dislodge outer electrons from atoms causing them to become ions. Radiation is energy that travels in the form of waves (electromagnetic radiation) or high-speed particles (particulate radiation). Background. Wilhelm Roentgen discovered X-rays in 1895, which was then observed by Dr.Leopold Freund from Austria. When an x-ray that travels through the body passes through a detector on the patient's other side, an image forms to represent the 'shadows' created by objects found inside the body. I will then explain uses and safe handling of radiation sources in medical, scientific and industrial applications. The ionising effect of radiation is used in the Geiger-Muller (GM) tube as a means of detecting the radiation. Overview: With the discovery of radiation in the late 1800's by Antoine Henri Becquerel, Marie Curie, and Pierre Curie, the powers of the atom were seemingly multiplied greatly. Bedside radiological procedures pose a risk of radiation exposure to ICU staff. Leopard observe if the x-rays can cause hair loss because of radiation. The aim of this study was to estimate the annual cumulative radiation dose to individual ICU staff. The dangers and uses of radiation People are exposed to sources of radiation in all aspects of everyday life. Getty Images. In the areas of biology and medicine, nuclear tracers are usually radiopharmaceutical products whose molecules contain a radioactive element - a marker. Avalos de Bienes Inmuebles; Avalos de Equipos, Maquinaria y Vehculos The images show the parts of your body in different shades of black and white.