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What is Non-Ionizing Radiation? April 6, 2007

Posted by healthyself in 0 Hz-3kHz, 000 Hz, 1 GHz- 300 GHz, 1 mm, 100 nm - 400 nm, 3 kHz-300 GHz, 300 GHz, 400 nm - 700 nm, 700 nm, Amplified Signals, Amplitude, Analog, Antennas, Atmospheric Pressure, Blogroll, Bytes, Cable, Cell Masts, Cell Phones, Coherence, Computer Rooms, Cordless Phones, DECT, Distribution, Earth, EEG, EHF, Electrical Components, Electrical Pulses, Electrical Surges, Electrical Wiring, electromagnetic, Electromagnetic Communications, Electromagnetic Field, Electromagnetic Interference, Electromagnetic pollution, Electromagnetic Radiation, Electromagnetic Spectrum, Electromagnetic waves, Electrosensitivity, Electrosmog, ELF, EMF Research, EMF's, EMR, Entropy, Environment, Exposure, Fiber Optic, Frequencies, Hand Portables, Handheld Units, HF, High Frequencies, high voltage transmission lines, Internet, ionizing radiation, Landline, Laptops, LF, Lifestyle, Light, light beam, Long Term Health Risks, Low Frequencies, Magnetic, MCS, MF, MHz, Microwave exposure, Mobile Music, mobile telephones, Non-Thermal Levels, Penetration, Photons, Photosensitive, Pulsed Radiation, Pulses, Pure Tone, QV, Radar, Radians, radiation, Radio Frequency Radiation, Radio Waves, radioprotector, Radios, Research Needed, Resonance, Resonant Frequency, ringing, ringtones, Risk of Disease, Safe Levels, Safety, SAR, Schuman Resonance, SHF, Speakerphones, Spectrum, Telecommunications, Telephony, Transducer, Transfer, transmission, UHF, Ultraviolet, VDT, Visible Light, VLF, W/Kg, W/m2, watts, Wave Front, Waves, Who is Affected?, WiFi, Wired, Wired Phone, Wireless, Wireless Phones, X-Rays.
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Definitions

The properties and effects of non-ionising radiations are very diverse. For the purpose of this Policy non-ionising radiations include:

Extremely low frequency (ELF) radiation

Electromagnetic radiation with frequencies in the range 0 Hz (static fields) to 3 kHz, including the 50 Hz electric and magnetic fields associated with the domestic mains electricity supply such as in domestic electrical appliances, electricity supply substations and overhead power lines.

Radiofrequency (RF) radiation

Electromagnetic radiation with frequencies in the range 3 kHz to 300 GHz, which is produced by artificial sources such as visual display units and mobile phones.

Microwave (MW) radiation

Electromagnetic radiation with frequencies in the range 1 GHz to 300 GHz, which is produced by artificial sources such as in microwave ovens and by microwave communication devices. (This radiation is now considered part of Radiofrequency radiation.)

Infrared (IR) radiation

Electromagnetic radiation with wavelengths between 700 nm and 1 mm, which is present in sunlight and produced by artificial sources such as electric radiator heaters.

Visible light

Electromagnetic radiation with wavelengths between 400 nm (blue) and 700 nm (red), which is present in sunlight and produced by numerous artificial sources, including lasers.

Ultraviolet (UV) radiation

Electromagnetic radiation with wavelengths between 100 nm and 400 nm, which is present in sunlight as well as produced by artificial sources such as arc welding and sterilization lamps.

http://www.unisa.edu.au/policies/policies/hr/HR30.asp

What are Electric and Magnetic Fields? April 6, 2007

Posted by healthyself in Blogroll, Definitions, Earth, Electrical Components, Electrical Pulses, Electrical Surges, Electrical Wiring, electromagnetic, Electromagnetic Field, Electromagnetic Radiation, Electromagnetic waves, EMF's, EMR, Environment, Frequencies, High Frequencies, high voltage transmission lines, Hz, LF, Light, light beam, Low Frequencies, Magnetic, MCS, MF, MHz, Microwave exposure, Pulsed Radiation, Pulses, Radar, Radians, radiation, Radio Frequency Radiation, Radio Waves, Resonant Frequency, Safe Levels, Transducer, transmission, UHF, VDT, VLF, W/Kg, W/m2, watts, Wave Front, Waves.
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Electric fields

Magnetic fields

  1. Electric fields arise from voltage.
  2. Their strength is measured in Volts per metre (V/m)
  3. An electric field can be present even when a device is switched off.
  4. Field strength decreases with distance from the source.
  5. Most building materials shield electric fields to some extent.
  1. Magnetic fields arise from current flows.
  2. Their strength is measured in amperes per meter (A/m). Commonly, EMF investigators use a related measure, flux density (in microtesla (µT) or millitesla (mT) instead.
  3. Magnetic fields exist as soon as a device is switched on and current flows.
  4. Field strength decreases with distance from the source.
  5. Magnetic fields are not attenuated by most mat

http://www.who.int/peh-emf/about/WhatisEMF/en/

High Frequency Electromagnetic Fields April 5, 2007

Posted by healthyself in Amplified Signals, Amplitude, Antennas, Blogroll, Cable, Cell Masts, Cell phone industry, Cell phone safety, Cell Phones, Computer Rooms, Cordless Phones, Definitions, Digital, Distribution, Electrical Components, Electrical Pulses, Electrical Wiring, Electromagnetic Communications, Electromagnetic Field, Electromagnetic Interference, Electromagnetic pollution, Electromagnetic Radiation, Electromagnetic Spectrum, Electromagnetic waves, Electrosensitivity, Electrosmog, ELF, Emergency Medicine, EMF Research, EMF's, EMR, Energy, Environment, Epidemiology, Exposure, Frequencies, GHz, Government's role, HF, High Frequencies, high voltage transmission lines, Homes, HOuseholds, HRD, Human Resources, Hz, Infrared, Interdisciplinary, Landline, Laptops, Legal Issues, Lifestyle, Low Frequencies, MCS, MF, MHz, Microwave exposure, Mitigation, mobile telephones, Oscillate, Pulsed Radiation, Pulses, Radar, radiation, Radio Frequency Radiation, Radio Waves, Radios, Research Needed, Resonant Frequency, Risk of Disease, Sound, Speakerphones, Telecommunications, Telephony, Transducer, Transfer, transmission, UHF, VDT, VLF, W/Kg, W/m2, watts, Wave Front, Waves, Who is Affected?, WiFi, Wired, Wired Phone, Wireless, Wireless Phones, Workplace, X-Rays.
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“Mobile telephones, television and radio transmitters and radar produce RF fields. These fields are used to transmit information over long distances and form the basis of telecommunications as well as radio and television broadcasting all over the world. Microwaves are RF fields at high frequencies in the GHz range. In microwaves ovens, we use them to quickly heat food.””At radio frequencies, electric and magnetic fields are closely interrelated and we typically measure their levels as power densities in watts per square metre (W/m2).”

“Key points:

  • The electromagnetic spectrum encompasses both natural and human-made sources of electromagnetic fields.
  • Frequency and wavelength characterise an electromagnetic field. In an electromagnetic wave, these two characteristics are directly related to each other: the higher the frequency the shorter the wavelength.
  • Ionizing radiation such as X-ray and gamma-rays consists of photons which carry sufficient energy to break molecular bonds. Photons of electromagnetic waves at power and radio frequencies have much lower energy that do not have this ability.
  • Electric fields exist whenever charge is present and are measured in volts per metre (V/m). Magnetic fields arise from current flow. Their flux densities are measured in microtesla (µT) or millitesla (mT).
  • At radio and microwave frequencies, electric and magnetic fields are considered together as the two components of an electromagnetic wave. Power density, measured in watts per square metre (W/m2), describes the intensity of these fields.
  • Low frequency and high frequency electromagnetic waves affect the human body in different ways.
  • Electrical power supplies and appliances are the most common sources of low frequency electric and magnetic fields in our living environment. Everyday sources of radiofrequency electromagnetic fields are telecommunications, broadcasting antennas and microwave ovens.”

http://www.who.int/peh-emf/about/WhatisEMF/en/

Sleep Problems, the use of CPAP and BIPAP machines, and Electromagnetic Concerns April 2, 2007

Posted by healthyself in Bioeffects, Biological Activity, Biological Dentistry, Biological Effects, BIPAP, Blogroll, Brainwave Interference, Buzzing, Central Nervous System, Chronic Exhaustion, Chronic Fatigue, Consciousness, CPAP, Cytotoxic Effects, Decision Making, Definitions, Electrical Components, Electrical Pulses, Electrical Surges, Electrical Wiring, Electromagetic pollution, Electromagnetic Interference, Electromagnetic pollution, Electromagnetic Radiation, Electromagnetic waves, Electrosensitivity, Electrosmog, ELF, Emergency Medicine, EMF's, Employees, EMR, Energy Centers, Environment, Epidemiologists, Epidemiology, Exposure, Frequencies, grams of tissue, Health, Health and Safety Officer, Health related, Homes, Hospitals, HOuseholds, HRD, Human Resources, Hz, Inflammation, Insomnia, Interdisciplinary, Lifestyle, Long Term Health Risks, Low Frequencies, Medical Research, Melatonin, Men's Health, Metabolic Changes, MF, MHz, Microwave exposure, Mitigation, Neural Electrophysiology, neurological, Neurotransmitters, Non Profit Organizations, Parenting, Pulsed Radiation, Pulses, radiation, Radio Frequency Radiation, Research, Research Needed, Resonance, Resonant Frequency, Risk Factor, Risk of Disease, Sick People, signaling enzymes, Skull, Sleep, Sleep Centers, Sleep disturbances, Solutions, Stress, Symptoms, Toxic Interactions, University, Vibration, VLF, watts, Waves, Who is Affected?, Wired, Women's Health, yawning.
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Do you use a machine to help you sleep?

You may be exposing yourself to increased pulsed radiation.

“…any machine that is operational will be putting forth a magnetic field. Considering the fact that both the cpap and bipap are strictly to insure respiration makes them a higher priority for health than the EMFs. Thus the only consideration is to convert the MF to a less invasive form. There are several devices that can be applied to these and any other electrical devices to decrease the effects of the EMFs. If that suggestion does not fall completely within your level of acceptability you might try to convince the manufacturers to come with a longer hose in order to create a greater distance from the actual pump.”

Dr. Howard Fisher

Watch for Dr. Fisher’s upcoming book: “The Invisible Threat: The Risks sssociated ith EMFs,” which will be released soon.

How is the Electromagnetic Radiation Measured? October 16, 2006

Posted by healthyself in Blogroll, Definitions, Electrical Components, Electrical Pulses, Electrical Surges, Electrical Wiring, Electromagetic pollution, electromagnetic, Electromagnetic Communications, Electromagnetic Field, Electromagnetic Interference, Electromagnetic pollution, Electromagnetic Spectrum, Electromagnetic waves, Electrosensitivity, Electrosmog, ELF, EMF's, EMR, Environment, Exposure, Frequencies, GHz, Global Warming, Government's role, HF, High Frequencies, high voltage transmission lines, HOuseholds, Hz, Infrared, LF, Lifestyle, light beam, Low Frequencies, MF, MHz, Microwave exposure, Pulsed Radiation, Pulses, Quantum Waves, radiation, Radio Waves, Radios, Sound, Spectrum, transmission, Ultraviolet, Unified Field, Visible Light, VLF, Waves.
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…The electromagnetic (EM) spectrum is …types of radiation … as a group. Radiation is energy that travels and spreads out as it goes– visible light …. from a lamp….or radio waves .. or from a radio station are two types of electromagnetic radiation. Other examples of EM radiation are microwaves, infrared and ultraviolet light, X-rays and gamma-rays. Hotter, more energetic objects and events create higher energy radiation than cool objects. Only extremely hot objects or particles moving at very high velocities can create high-energy radiation like X-rays and gamma-rays. Here are the different types of radiation in the EM spectrum, in order from lowest energy to highest:

Radio Radio: …this is the same kind of energy that radio stations emit into the air …to capture and turn into your favorite Mozart, Madonna, or Coolio tunes. But radio waves are also emitted by other things … such as stars and gases in space…
Microwave Microwaves: … will cook your popcorn in just a few minutes! In space, microwaves are used by astronomers to learn about the structure of nearby galaxies, including our own Milky Way!
Infrared to UV Infrared: we often think of this as being the same thing as ‘heat’, because it makes our skin feel warm. In space, IR light maps the dust between stars. Visible:…this is the part that our eyes see. Visible radiation is emitted by everything from fireflies to light bulbs to stars … also by fast-moving particles hitting other particles.

Ultraviolet: we know that the Sun is a source of ultraviolet (or UV) radiation, because it is the UV rays that cause our skin to burn! Stars and other “hot” objects in space emit UV radiation.

X-ray X-rays: your doctor uses them to look at your bones and your dentist to look at your teeth. Hot gases in the Universe also emit X-rays .
Gamma-ray Gamma-rays: radioactive materials (some natural and others made by man in things like nuclear power plants) can emit gamma-rays. Big particle accelerators that scientists use to help them understand what matter is made of can sometimes generate gamma-rays. But the biggest gamma-ray generator of all is the Universe! It makes gamma radiation in all kinds of ways.

A Radio Wave is not a Gamma-Ray, a Microwave is not an X-ray … or is it?

Across the EM spectrum
Radio waves, visible light, X-rays, and all the other parts of the electromagnetic spectrum are fundamentally the same thing, electromagnetic radiation.

We may think that radio waves are completely different physical objects or events than gamma-rays. They are produced in very different ways, and we detect them in different ways. But are they really different things? The answer is ‘no’. Radio waves, visible light, X-rays, and all the other parts of the electromagnetic spectrum are fundamentally the same thing. They are all electromagnetic radiation.

Electromagnetic radiation can be described in terms of a stream of photons, which are massless particles each traveling in a wave-like pattern and moving at the speed of light. Each photon contains a certain amount (or bundle) of energy, and all electromagnetic radiation consists of these photons. The only difference between the various types of electromagnetic radiation is the amount of energy found in the photons. Radio waves have photons with low energies, microwaves have a little more energy than radio waves, infrared has still more, then visible, ultraviolet, X-rays, and … the most energetic of all … gamma-rays.

Across the EM spectrum
The electromagnetic spectrum can be expressed in terms of energy, wavelength, or frequency.

“Actually, the electromagnetic spectrum can be expressed in terms of energy, wavelength, or frequency. Each way of thinking about the EM spectrum is related to the others in a precise mathematical way. So why do we have three ways of describing things, each with a different set of physical units? After all, frequency is measured in cycles per second (which is called a Hertz), wavelength is measured in meters, and energy is measured in electron volts.”

“The answer is that scientists don’t like to use big numbers when they don’t have to. It is much easier to say or write “two kilometers or 2 km” than “two thousand meters or 2,000 m”. So generally, scientists use whatever units are easiest for whatever they are working with. In radio astronomy, astronomers tend to use wavelengths or frequencies. This is because most of the radio part of the EM spectrum falls in the range from a about 1 cm to 1 km (30 gigahertz (GHz) to 100 kilohertz (kHz)). The radio is a very broad part of the EM spectrum. Infrared astronomers also use wavelength to describe their part of the EM spectrum. They tend to use microns (or millionths of meters) for wavelengths, so that they can say their part of the EM spectrum falls in the range 1 to 100 microns. Optical astronomers use wavelengths as well. In the older “CGS” version of the metric system, the units used were angstroms. An angstrom is equal to 0.0000000001 meters (10-10 m in scientific notation)! In the newer “SI” version of the metric system, we think of visible light in units of nanometers or 0.000000001 meters (10-9 m). In this system, the violet, blue, green, yellow, orange, and red light we know so well has wavelengths between 400 and 700 nanometers. This range is only a small part of the entire EM spectrum, so you can tell that the light we see is just a little fraction of all the EM radiation around us! By the time you get to the ultraviolet, X-ray, and gamma-ray regions of the EM spectrum, lengths have become too tiny to think about any more. So scientists usually refer to these photons by their energies, which are measured in electron volts. Ultraviolet radiation falls in the range from a few electron volts (eV) to a about 100 eV. X-ray photons have energies in the range 100 eV to 100,000 eV (or 100 keV). Gamma-rays then are all the photons with energies greater than 100 keV.

Why Do We Have to Go to Space to See All of the Electromagnetic Spectrum?

diagram of EM radiation that reaches the Earth's surface

Electromagnetic radiation from space is unable to reach the surface of the Earth except at a very few wavelengths, such as the visible spectrum, radio frequencies, and some ultraviolet wavelengths. Astronomers can get above enough of the Earth’s atmosphere to observe at some infrared wavelengths from mountain tops or by flying their telescopes in an aircraft. Experiments can also be taken up to altitudes as high as 35 km by balloons which can operate for months. Rocket flights can take instruments all the way above the Earth’s atmosphere for just a few minutes before they fall back to Earth, but a great many important first results in astronomy and astrophysics came from just those few minutes of observations. For long-term observations, however, it is best to have your detector on an orbiting satellite … and get above it all!

http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html

What is a Frequency Band? September 12, 2006

Posted by healthyself in 3- 30 kHz, 3-30 GHz, 3-30 mHz, 30-300 GHz, 30-300 kHz, 30-300 mHz, 300-3000 kHz, 300-3000 mHz, Blogroll, Cell phone safety, Definitions, EHF, ELF, EMF's, Environment, Frequencies, HF, LF, MF, radiation, SHF, UHF, VLF.
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Bands of Frequencies
Band Frequency
VLF Very Low Frequency 3-30 kHz
LF Low Frequency 30-300 kHz
MF Medium Frequency 300-3000kHz
HF High Frequency 3-30 MHz
VHF Very High Frequency 30-300 MHz
UHF Ultra High Frequency 300-3000 MHz
SHF Super High Frequency 3-30 GHz
EHF Extremely High Frequency 30-300 GHz

What is Magnetic Radiation? September 9, 2006

Posted by healthyself in 50 Hz, 60 Hz Magnetic Fields, Animal Research, Biological Effects, Birth Defects, Blogroll, Cell phone safety, Children's health, Definitions, Electrical Wiring, Electromagnetic pollution, Electrosmog, ELF, EMF's, EMR, Government's role, Health related, High Frequencies, high voltage transmission lines, HOuseholds, Hz, Lifestyle, Long Term Health Risks, Low Frequencies, Magnetic, MHz, Public Policy, radiation, Safe Levels, School Boards, VDT, VLF, Who is Affected?.
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“Every (electric) current going through a wire generates magnetic radiation which travels around the wire. There is continuing controversy regarding possible health effects of exposure to this radiation. The U.S. Environmental Protection Agency (EPA) and the U.S. Navy performed a study which reported that 5 out of 6 laboratories found increased levels of embryological changes in chickens when exposed to magnetic radiation. Other tests have shown biological effects on mice, miniature pigs, and humans. Recent articles claim or at least suspect that exposure to high levels of ELF radiation is a factor in leukemia in children….

“Magnetic radiation surveys measure Extremely Low Frequency (ELF) and Very Low Frequency (VLF) fields which have nothing to do with high frequency radioactivity such as radon, X-rays, and so-called ionizing radiation… Magnetic radiation is produced by high tension power lines, but also by ordinary secondary lines, power transformers, household wiring, certain electric radiant heating devices, improperly grounded appliances.”

http://www.inspect-ny.com/emf/emfwork.htm