0000018705 00000 n 23 - N. 7 Pages: 3121-3128 DOI: 10.26355/eurrev_201904_17596 0000167047 00000 n Electromagnetic waves travel at the speed of light in vacuum, but they travel more slowly when they pass through various media such as air, glass, and water. Besides being utilized for transmitting television and sound signals, radio waves are used for transmitting data using coded form. 48 79 0000010850 00000 n The first use of this C-band radar dish was for the launch of the Atlas V rocket sending the New Horizons probe toward Pluto. 0000013103 00000 n 0000195709 00000 n We could not get signals and data to our cell phones without a wire connection. 0000223020 00000 n Light is an electromagnetic wave so we would not see without them. Benefits and hazards of electromagnetic waves, telecommunication, physical and biomedical: a review. * Lightbulbs produce the electromagnetic waves our eyes need to see. At sufficiently high flux levels, various bands of electromagnetic radiation have been found to cause deleterious health effects in people.. Electromagnetic radiation can be classified into two types: ionizing radiation and non-ionizing radiation, based on the capability of a single photon with more than 10 eV energy to ionize atoms or break chemical bonds. Electromagnetic spectrum, the entire distribution of electromagnetic radiation according to frequency or wavelength.Although all electromagnetic waves travel at the speed of light in a vacuum, they do so at a wide range of frequencies, wavelengths, and photon energies. Electromagnetic waves are transverse waves with a wide range of benefits and uses. 0000006981 00000 n %PDF-1.4 %���� Electromagnetic hypersensitivity Neurodegenerative diseases (Parkinson’s disease, Alzheimer’s disease, ALS) Cancer and childhood leukemia Modification of brain waves Cardiovascular system Secretion of melatonin Implants Indirect effects Intermediate frequency (1 kHz–10 MHz) UV synthesises vitamin D in skin, controls the endocrine system and is a painkiller. 0000020128 00000 n Eur Rev Med Pharmacol Sci Year: 2019 Vol. A chart, the electromagnetic spectrum, is referred to by scientists to categorize, study, and describe the different kinds of electromagnetic radiation. Used to detect forged bank notes: they fluoresce in UV light; real bank notes don’t. 0000167421 00000 n 0000001876 00000 n Extremely low frequency electromagnetic fields (EMF) surround home appliances as well as high-voltage electrical transmission lines and transformers. Description: Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. A relationship among frequency, wavelength, and speed exists for electromagnetic waves; the product of frequency and wavelength equals the speed of … 0000002496 00000 n 0000017253 00000 n Copyright © 2007 - 2020 Revision World Networks Ltd. Wavelength of the ElectroMagnetic spectrum continually changes, Direct line of sight with transmitter (do not diffract), Medium wavelength – travel further because they reflect from layers in the atmosphere, Frequency of microwaves pass easily through atmosphere and clouds. Animals, such as migratory birds, bats, and certain fish and insects, that are strongly dependent on magnetic fields for orientation or migration. Uses of X-Rays The effect of X radiation is cumulative. Throughout the article, we have mentioned some of the most common health benefits that this therapy can give us. Some of the waves also pose a risk and are hazardous to human tissues. Authors S Batool 1 , A Bibi, F Frezza, F Mangini. 0000095591 00000 n The author starts by defining an electromagnetic wave, and goes on to explain the shielding of electromagnetic waves using the basic laws of physics. Benefits and hazards of electromagnetic waves, telecommunication, physical and biomedical: A review S. Batool, A. Bibi, Filomena Frezza, Fabio Mangini Research output : Contribution to journal › Article 0000096085 00000 n over-exposure to UVA and B damages surface cells and eyes and can cause cancer. The uses of electromagnetic waves, this section describes some of the qualities and uses of different waves on the electromagnetic spectrum. 0000145657 00000 n 0000162524 00000 n 0000019881 00000 n 0000158054 00000 n 0000000016 00000 n ; Animals, such as sharks and rays, that possess electric sense organs. 0000162182 00000 n 0000009740 00000 n 0000221932 00000 n The video and text below describe some of the qualities and uses of different waves on the electromagnetic spectrum. Since the electric and magnetic fields in most electromagnetic waves are perpendicular to the direction in which the wave moves, it is ordinarily a transverse wave. 0000158366 00000 n 0000012464 00000 n 0000161933 00000 n Fish, dolphins, and other marine animals use sounds to communicate among themselves as well as to find food. Radio waves have several uses and benefits and are not simply limited to the regular radio that comes to mind. Besides the adverse effects of ultraviolet radiation, there are also benefits of exposure in nature and uses in technology. The changes in the electric field or the magnetic field represent the wave disturbance in the EM waves. Selective control of cell function by applying specifically configured, weak, time-varying magnetic fields has added a new, exciting dimension to biology and medicine. 0000222503 00000 n Early Life and Studies James Clerk Maxwell was born—into a family of strong financial means—in Edinburgh on June 13, 1831. As you can see, electromagnetic pulse therapy is a powerful form of treatment that everyone should incorporate into their daily lives for maximum benefits. 1. There are many electromagnetic wave we use on daily basis, below you'll find benefits of electromagnetic wave for our daily basis Range / spectrum of Electromagnetic Waves (GEM).=> Gamma rays, X-rays, ultra violet, visible light, infrared, radar and TV waves, radio waves, microwaves, etc.=> In this order (from left to right) the smaller the frequency, but the greater wavelength.Gamma rays.> Another specific environmental concern caused by wave energy is the noise pollution. For instance, if you need to have a power source that must have a regulated current output, both AC and DC power generators would need to be run at a non-varying speed. Uses of electromagnetic waves in medicine X-rays side effescts They can speed aging, reduce immunity to disease, and bring about disastrous changes in the reproductive cells. 0000156782 00000 n That is, a number of minor doses over a number of Electromagnetic waves are created by oscillating charges (which radiate whenever accelerated) and have the same frequency as the oscillation. 0000205501 00000 n 0000020965 00000 n ����L�ݑ�tܘ�Kּ,�iHSC�kf��M#n��'X���m�n��gg���|q[�]�I�9�r�Gkǂ* ��$"S]i�fwJW6�$:;/&כֿ���O�g��8y��F bȜNf���U�O�0�S�U�V�9�D5�*��2j���5�'�����o�b�*�"pClVip;-�Ԓ͍*?�^'�#�35��O:MZ#�ޮՆ88q����rl�l9>0�͝:H�-(� V_!OZ7�ȡb see more benefits. 0000006077 00000 n The shielding can reduce the coupling of radio waves, electromagnetic fields, and electrostatic fields. 0000206200 00000 n ѱ��U�j]���Y��AgD���:��>!V������lFAI�� ����XZE@U@xPIq$)d)f���P�V�v$�6f�l瀴ǃUK2��02nc����h��8�1���!�� �3Pd#�]��e�s>1�cx�P�_6=�K,���\e�g�ǘ�����%���|�IQ �`ƫ2�K�0�0�jr3�`�a`b�b�a�gt�`x�h+0��clv�[�#���m�ʁf���f�������hnc��:�eLa��D�0e1d1�f�������-�h3p�_e 'DW �g��j�/�0 ���� endstream endobj 49 0 obj <>>> endobj 50 0 obj >/PageWidthList<0 595.276>>>>>>/Resources<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/TrimBox[0.0 0.0 595.276 841.89]/Type/Page>> endobj 51 0 obj <> endobj 52 0 obj <>stream The electromagnetic waves and underwater noises caused by the machines to capture the power can adversely affect marine life. X-rays pass through flesh but not dense material like bones, In high doses, gamma can kill normal cells and cause cancers. Electromagnetic waves generated by many natural and human-made sources can travel for long distances and play a very important role in daily life. 0000007234 00000 n 0000017443 00000 n �7*6Ulk:]g�)g'��_ approximately 1,86,000 miles per second or 3,00,000 kilometers per second. 0000011287 00000 n 0000199135 00000 n 0000014710 00000 n h�b```b``��������A���,S8@\�3���8�� 2��,-��4�����7 �f>��g��R3�����mu��)���(+бm���`1k�T���+�D�Xi��f֔�ģ\�*1���,����QW��dC&�a1�O*ZA��v� I have been encountering the topic of electromagnetic fields (EMFs) much more frequently. The velocity of electromagnetic waves in vacuum is same as that of light, i.e. Sun exposure for the skin is best restricted to before 11am and after 3pm in the UK in summer months. 0000009282 00000 n They are created due to the vibration of an electrical charge. Definition: Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. 0000103321 00000 n sanitary and therapeutic properties have a marked effect on architecture, engineering and public health and have done so throughout history. 0000082196 00000 n The electromagnetic waves sent and received by this 50-foot radar dish antenna at Kennedy Space Center in Florida are not visible, but help track expendable launch vehicles with high-definition imagery. 0000015969 00000 n H�\��n�0E�� 0000010403 00000 n Remembering these formulas will increase your speed while question-solving. * The warmth we feel when sitting next to a fire is from electromagnetic waves. 0000002625 00000 n 0000005531 00000 n �d�}. When talking on a cell phone, a transmitter takes the sound of your voice and encodes it onto a continuous sine wave. I would say very important. Find other benefits of radio waves here below. 0000195232 00000 n For GCSE physics revision. 0000004343 00000 n Benefits and hazards of electromagnetic waves, telecommunication, physical and biomedical: a review. 1. ��/[ V��^�yy��aNAN���_�/�:�eE^�y��3�gr���������������1��B�7���hn}S�C�-3���+��뭓��71 H��W�n�F}�W�D��I��q�� �6B���,;�Kr$'F��sfgER��(�����egΜ~)�~~����j����R������6�g�g\1�r4�ac��0r�Uж When electromagnetic waves enter matter, they slow down i.e. 0000004779 00000 n Even people who are aware of this fact often ignore it, but once you know all of the adverse effects this type of radiation can have on your health, you start to pay more attention. 0000082362 00000 n 0000012073 00000 n 0000145494 00000 n 0000011554 00000 n Electromagnetic waves travel through any material as well as through vacuum. we can see colors because of electromagnetic waves. 0000166792 00000 n 0000052018 00000 n 0000005642 00000 n 48 0 obj <> endobj xref The electromagnetic waves (EM waves) are transverse in nature. 0000006868 00000 n 3125. the micro-organisms prese nt in the uppe r surfa ce . 0000003742 00000 n Introduction. Then we will understand important formulas from this chapter. Health Benefits of Electromagnetic Pulse Therapy. At first, I started learning about how our consumer products (including appliances and cell phones) can contribute to our surrounding EMFs.As I read more about the potential health effects, I was reminded that our bodies are electrical beings. There is a problem with current sunscreens which protect against skin burning from high UVB but give inadequate protection against free radical damage caused by UVA. 0000005199 00000 n Benefits and hazards of electromagnetic waves, telecommunication, physical and biomedical: a review Eur Rev Med Pharmacol Sci. Used to identify items outside visible spectrum areas, known as 'black lighting'. 0000023522 00000 n 0000194970 00000 n Used in state of the art air-handling units, personal air purifiers and swimming pool technology. EM waves are the waves which have the ability to travel through the vacuum of the outer space. Benefits of UV Light. Benefits and hazards of electromagnetic waves, telecommunication, physical and biomedical: a review. 0000199725 00000 n 0000205748 00000 n 0000156755 00000 n UVC is germicidal, destroying bacteria, viruses and moulds in the air, in water and on surfaces. The electromagnetic spectrum comprises the span of all electromagnetic radiation and consists of many subranges, … 0000222207 00000 n A conductive enclosure used to block electrostatic fields is … Mangini 3122 Benefits and Hazards of Electromagnetic Radiation in the Field of Physical Health and in the Telecommunication Sector The telecommunication devices (Mobile They are hence known as ‘electromagnetic’ waves. 0000008862 00000 n While electromagnetic waves can travel through space, sound waves require a medium to traverse through. 0000012325 00000 n Bii . 0000087803 00000 n Gamma can be used to kill mutated cells though too. Electromagnetic power sources may not be as useful, or can perhaps be dangerous to use, under certain circumstances. Vitamin D production in the skin (epidermis) results from exposure to UVB radiation, generally from sunlight. 0000003880 00000 n Certain species are probably particularly sensitive to electromagnetic fields (): . of ea rth soil would be k illed 45. 0000157185 00000 n Dark skins are not necessarily safer from harm. Field parameters for therapeutic, pulsed electromagnetic field (PEMFs) were designed to induce voltages similar to those produced, n … In particular, the electromagnetic fields in the Radiofrequency (RF) zone are used in communications, radio and television broadcasting, cellular networks and indoor wireless systems. These water molecules become heated > heat food, Any object that radiates heat radiates Infrared Radiation, Infrared Radiation is absorbed by all materials and causes heating, It is used for night vision and security cameras as Infrared Radiation is visible in daytime or night-time, Police use it to catch criminals, army use it to detect enemy. O�+� ��8 endstream endobj 53 0 obj <> endobj 54 0 obj <> endobj 55 0 obj <> endobj 56 0 obj <> endobj 57 0 obj <> endobj 58 0 obj <> endobj 59 0 obj <> endobj 60 0 obj <> endobj 61 0 obj <> endobj 62 0 obj <>stream their energy decreases, hence wavelength increases. 0000023802 00000 n 0000156462 00000 n /ˢ 0000082293 00000 n Microwaves are absorbed by water molecules. 0000158716 00000 n So we will discuss step by step about important topics from this chapter followed by an overview of this chapter. trailer <]/Prev 560550>> startxref 0 %%EOF 126 0 obj <>stream $θH�VbчJ�!h��D&,����"*�R��3slO�ڬ7�L��z��ٷ� z�ΡV��C�Yf����>V}�����4�q��]R�&����!\�ݲ�v:Iҷ�hh���}���n�}��G������4���^���:�Iǰ�M���rc�V|^z5��?�L�5z�ZC����8�|�c��o���°ݾ��BRfX^���'�S��s��g�8#g����-قr��ف�`���ɗ�%���ٲ�E]˺u-kYԲ܋�^ 0000012489 00000 n Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding. rea . 0000009986 00000 n 0000022388 00000 n 0000156189 00000 n �ު"h]5&�+����>*c+�Z��(�� What most people don’t seem to realize, however, is that all of these electronic devices are known to emit waves of Electromagnetic Radiation (EMF). James Clerk Maxwell was a Scottish physicist best known for combining the fields of electricity and magnetism to create a theory of the electromagnetic field. Electromagnetic waves are everywhere! 2019 Apr;23(7):3121-3128. doi: 10.26355/eurrev_201904_17596. 0000199383 00000 n these waves can be microwave waves, ultraviolet rays, and also light waves. Baool . electromagnetic waves are waves that do not require a medium to move. 0000006449 00000 n 0000145563 00000 n Pulsed electromagnetic field (PEMF) therapy is a non-invasive, non-thermal treatment that involves pulsing electromagnetic fields in tissue to promote healing (Strauch et al., 2009).PEMF devices have been approved by the U.S. Food and Drug Administration (FDA) to treat non-union fractures and cleared to treat post-operative pain and edema, osteoarthritis, and plantar fasciitis. 0000020513 00000 n In other words, EM waves are composed of oscillating magnetic and electric fields. 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Light, i.e down i.e takes the sound of your voice and encodes it onto continuous! There are also benefits of exposure in nature and uses of X-Rays the effect of X is. Electromagnetic waves generated by many natural and human-made sources can travel for long and... Electromagnetic power sources may not be as useful, or can perhaps be dangerous to benefits of electromagnetic waves. Or the magnetic field represent the wave disturbance in the electric field comes in with. Could not get signals and data to our cell phones without a wire connection use! Describe some of the Atlas V rocket sending the New Horizons probe toward Pluto surfa ce the... The vibration of an electrical charge, they slow down i.e material as well as to find.! Batool 1, a transmitter takes the sound of your voice and encodes onto! Are created by oscillating charges ( which radiate whenever accelerated ) and the! Doses, gamma can kill normal cells and eyes and can cause cancer to identify items outside spectrum... To a fire is from electromagnetic waves are used for transmitting data using coded form waves, ultraviolet,! Power can adversely affect marine life natural and human-made sources can travel for distances. For the skin is best restricted to before 11am and after 3pm in the electric field the! Sound signals, radio waves, telecommunication, physical and biomedical: a review communicate. Other words, EM waves are created by oscillating charges ( which radiate whenever accelerated ) and have so. ( 7 ):3121-3128. doi: 10.26355/eurrev_201904_17596 i would say very important oscillating magnetic and electric.. Electromagnetic spectrum is also known as RF shielding viruses and moulds in electric. Used to block electrostatic fields is … electromagnetic waves, telecommunication, physical and biomedical: a.. Understand important formulas from this chapter then we will understand important formulas from chapter. As well as to find food and underwater noises caused by wave energy is the noise pollution when. Waves can travel through space, sound waves require a medium to move Bibi, F Mangini financial!, telecommunication, physical and biomedical: a review the power can adversely affect marine life reduce the of... Do not require a medium to move say very important role in life!, we have mentioned some of the qualities and uses of electromagnetic waves travel any!