Articles related to "Electromagnetic"
Understanding Faraday's Law
A changing magnetic field will induce an electric current and corresponding electric potential difference according to Faraday's Law of electromagnetic induction.
faraday • induction • electromagnetic • electric current • electromotive force
A changing magnetic field will induce an electric current and corresponding electric potential difference according to Faraday's Law of electromagnetic induction.
faraday • induction • electromagnetic • electric current • electromotive force
Understanding Lenz's Law
Lenz's law, giving the direction of induced electromagnetic fields, is a consequence of the law of conservation of energy.
lenz's law • conservation of energy • faraday • induction • electromagnetic
Lenz's law, giving the direction of induced electromagnetic fields, is a consequence of the law of conservation of energy.
lenz's law • conservation of energy • faraday • induction • electromagnetic
MICROWAVE OVENS: THE MAGICAL COOKS
The microwave cooks quickly and efficiently. But what’s the magic behind it? This article looks into the hocus pocus that is going on inside your food while the microwave is cooking. A shallow look into the actual workings of the oven and how it cooks the food. This article is in continuation of the previous article.
microwaves • microwave oven • electromagnetic radiation • electromagnetic energy • magnetron
The microwave cooks quickly and efficiently. But what’s the magic behind it? This article looks into the hocus pocus that is going on inside your food while the microwave is cooking. A shallow look into the actual workings of the oven and how it cooks the food. This article is in continuation of the previous article.
microwaves • microwave oven • electromagnetic radiation • electromagnetic energy • magnetron
The Electromagnetic Spectrum
What is the electromagnetic spectrum? It consists of all types of electromagnetic waves, including radio waves, X & gamma rays, & visible, ultraviolet, & infrared light.
what is the electromagnetic spectrum • electromagnetic waves • electromagnetic radiation • infrared light • visible light
What is the electromagnetic spectrum? It consists of all types of electromagnetic waves, including radio waves, X & gamma rays, & visible, ultraviolet, & infrared light.
what is the electromagnetic spectrum • electromagnetic waves • electromagnetic radiation • infrared light • visible light
Alternative Therapy - Electromagnetic Therapy
As you know, people have been buying into the new fad of magnetic therapy. This method uses the same idea, only with electric forces.
breast cancer • cancer • alternative therapy • electromagnetic therapy
As you know, people have been buying into the new fad of magnetic therapy. This method uses the same idea, only with electric forces.
breast cancer • cancer • alternative therapy • electromagnetic therapy
Health Effects of Electromagnetic Fields (EMFs)
Does exposure to electromagnetic fields (EMFs) cause cancer? Short answer: Who knows?
Does exposure to electromagnetic fields (EMFs) cause cancer? Short answer: Who knows?
Electromagnetic Induction
Why is it when a magnet is moved in the direction of a copper wire coil, a current can then be measured in the coil?
electromotive force • electromagnetic induction • magnetic flux • induced currents • magnetic field density
Why is it when a magnet is moved in the direction of a copper wire coil, a current can then be measured in the coil?
electromotive force • electromagnetic induction • magnetic flux • induced currents • magnetic field density
Oersted's Electromagnetic Effects
During a class, Oersted noticed that a compass near a wire carrying electricity was affected by the current induced magnetic field.
oersted • electromagnetic • magnetic fields • electricity • magnetism
During a class, Oersted noticed that a compass near a wire carrying electricity was affected by the current induced magnetic field.
oersted • electromagnetic • magnetic fields • electricity • magnetism
The Electromagnetic Field
An electric current creates a curling magnetic field. When placed in an external field, a force acts on the wire. This magnetic force is what drives the electric motor.
electromagnetic field • magnetic force • electric motor • circular magnetic field • hans christian oersted
An electric current creates a curling magnetic field. When placed in an external field, a force acts on the wire. This magnetic force is what drives the electric motor.
electromagnetic field • magnetic force • electric motor • circular magnetic field • hans christian oersted
What Are Electromagnetic Waves?
Visible, ultraviolet, and infrared light as well as X-rays and all types of radio waves are types of electromagnetic waves or electromagnetic radiation.
electromagnetic waves • electric fields • magnetic fields • infrared light • ultraviolet light
Visible, ultraviolet, and infrared light as well as X-rays and all types of radio waves are types of electromagnetic waves or electromagnetic radiation.
electromagnetic waves • electric fields • magnetic fields • infrared light • ultraviolet light
Common Investigative Equipment
Many ghost investigators use a variety of tools to aid them during the process of investigation. Most ghost investigating equipment can be purchased at a relatively low cost to the investigator or team. Conversely, some initial equipment may be more costly. Nevertheless, such tools can provide investigators and paranormal teams with the ability to increase the success of their investigation. So, what kind of equipment does a ghost investigate typically need? Find out here!
ghost • investigator • tools • equipment • paranormal
Many ghost investigators use a variety of tools to aid them during the process of investigation. Most ghost investigating equipment can be purchased at a relatively low cost to the investigator or team. Conversely, some initial equipment may be more costly. Nevertheless, such tools can provide investigators and paranormal teams with the ability to increase the success of their investigation. So, what kind of equipment does a ghost investigate typically need? Find out here!
ghost • investigator • tools • equipment • paranormal
Ghosthunting 440
You've taken Ghosthunting 101 and you're ready to move beyond the basics.
ghosthunting • orbs • ghosts • apparitions • ghost theories
You've taken Ghosthunting 101 and you're ready to move beyond the basics.
ghosthunting • orbs • ghosts • apparitions • ghost theories
Guitar History: Part Two
The transition of the guitar from acoustic to electric.
gibson • fender • bigsby • solid-body • hollow-body
The transition of the guitar from acoustic to electric.
gibson • fender • bigsby • solid-body • hollow-body
Remote Sensing Basics
This article discusses the basic principles of remote sensing.
remote sensing • visualization • radar • electromagnetic • simulation
This article discusses the basic principles of remote sensing.
remote sensing • visualization • radar • electromagnetic • simulation
An Introduction to Solar Energy
Solar power is the ultimate renewable energy source. Here is an introduction to the basic science that makes all solar energy technologies possible.
solar power technology • solar energy • solar radiation • renewable energy • photovoltaic
Solar power is the ultimate renewable energy source. Here is an introduction to the basic science that makes all solar energy technologies possible.
solar power technology • solar energy • solar radiation • renewable energy • photovoltaic
Blackbodies in Astrophysics
The wavelengths of the electromagnetic radiation emitted by an ideal blackbody radiator depends only on the temperature.
ideal blackbody radiator • electromagnetic radiation • blackbody • astrophysics • astrophysical applications
The wavelengths of the electromagnetic radiation emitted by an ideal blackbody radiator depends only on the temperature.
ideal blackbody radiator • electromagnetic radiation • blackbody • astrophysics • astrophysical applications
Cell Phones May Effect Sperm
Two studies look at the way that cell phones may effect the quality of sperm.
cell phones • mobile • sperm • radiation • electromagnetic
Two studies look at the way that cell phones may effect the quality of sperm.
cell phones • mobile • sperm • radiation • electromagnetic
Faraday Cages and Lightning Safety
An enclosed metal shell acting as a Faraday cage can offer protection from lightning and other electrical effects.
faraday cage • faraday effect • michael faraday • lightning safety • electric field
An enclosed metal shell acting as a Faraday cage can offer protection from lightning and other electrical effects.
faraday cage • faraday effect • michael faraday • lightning safety • electric field
Gamma Ray Bursters
Gamma ray bursters are among the most violent phenomena in the visible universe. In fact, if one occurred near the Earth it would incinerate the atmosphere in seconds. Fi
gamma ray burster • gamma rays • gamma ray bursts • grb • photon
Gamma ray bursters are among the most violent phenomena in the visible universe. In fact, if one occurred near the Earth it would incinerate the atmosphere in seconds. Fi
gamma ray burster • gamma rays • gamma ray bursts • grb • photon
Invisible Astronomy
In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects.
radio astronomy • electromagnetic spectrum • electromagnetic waves • infrared telescopes • ultraviolet telescope
In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects.
radio astronomy • electromagnetic spectrum • electromagnetic waves • infrared telescopes • ultraviolet telescope
K2 EMF Detector
The latest "buzz" in paranormal circles is about an EMF detector that can reportedly be used to communicate with ghosts in "real time". Does the K2 EMF Detector work?
k2 emf detector • emf meter • electromagnetic field • emf • ghosts
The latest "buzz" in paranormal circles is about an EMF detector that can reportedly be used to communicate with ghosts in "real time". Does the K2 EMF Detector work?
k2 emf detector • emf meter • electromagnetic field • emf • ghosts
Radio Astronomy
Instead of optical telescopes, astronomers use antennas and computers to study the Universe at wavelengths invisible to the human eye. So, how does that work?
electromagnetic spectrum • national radio astronomy observatory • radio waves • visible light • radio telescopes
Instead of optical telescopes, astronomers use antennas and computers to study the Universe at wavelengths invisible to the human eye. So, how does that work?
electromagnetic spectrum • national radio astronomy observatory • radio waves • visible light • radio telescopes
Understanding Ampere's Law
Ampere's Law allows physicists to determine the magnitude and direction of the magnetic field induced by an electric current.
ampere's law • andre ampere • magnetic fields • electric current • electromagnetic
Ampere's Law allows physicists to determine the magnitude and direction of the magnetic field induced by an electric current.
ampere's law • andre ampere • magnetic fields • electric current • electromagnetic
Understanding the Faraday Cage
A Faraday cage is an enclosed conducting shell that shields its interior from strong electric fields and electromagnetic waves.
faraday cage • faraday effect • michael faraday • electric field • electromagnetic
A Faraday cage is an enclosed conducting shell that shields its interior from strong electric fields and electromagnetic waves.
faraday cage • faraday effect • michael faraday • electric field • electromagnetic
MICROWAVE OVENS: AN INTRODUCTION
Microwave ovens have infiltrated our lives to such an extent that life without them has become impossible. The ability of a microwave oven to quickly and safely cook food appeals to all of us. But how safe is it? This series of articles will study and analyze the microwave oven and its working in detail and try to give you an orientation as to what that little box on your kitchen counter really is. The first article is about the origins of the microwave oven and its components.
microwaves • radar equipment • microwave oven • electromagnetic radiation • electromagnetic energy
Microwave ovens have infiltrated our lives to such an extent that life without them has become impossible. The ability of a microwave oven to quickly and safely cook food appeals to all of us. But how safe is it? This series of articles will study and analyze the microwave oven and its working in detail and try to give you an orientation as to what that little box on your kitchen counter really is. The first article is about the origins of the microwave oven and its components.
microwaves • radar equipment • microwave oven • electromagnetic radiation • electromagnetic energy
Importance of Maxwell's Equations
Maxwell's equations synthesized physicists' understanding of electrodynamics and predicted the existence of electromagnetic waves.
maxwell's equations • electromagnetic wave • electrodynamics • electromagnetic • james clerk maxwell
Maxwell's equations synthesized physicists' understanding of electrodynamics and predicted the existence of electromagnetic waves.
maxwell's equations • electromagnetic wave • electrodynamics • electromagnetic • james clerk maxwell
MICROWAVE OVENS: How safe are they? (I)
All of us have been using microwaves since as long as we can remember. There are fears that microwaves can cause damage to the human body. Let us see how safe microwaves are, and to what extent are we shielded from the much-feared microwaves. The text of the article is continued into next week’s article.
microwaves • microwave oven • electromagnetic radiation • microwave radiation • magnetron
All of us have been using microwaves since as long as we can remember. There are fears that microwaves can cause damage to the human body. Let us see how safe microwaves are, and to what extent are we shielded from the much-feared microwaves. The text of the article is continued into next week’s article.
microwaves • microwave oven • electromagnetic radiation • microwave radiation • magnetron
MICROWAVE OVENS: How safe are they? (II)
This article is in continuation of the previous week’s article. In this article we will look at how the microwaves shielding works. Also we will focus on their implications of pacemaker users and also discuss the Super Heated Water Eruptions.
microwaves • microwave oven • electromagnetic radiation • microwave radiation • magnetron
This article is in continuation of the previous week’s article. In this article we will look at how the microwaves shielding works. Also we will focus on their implications of pacemaker users and also discuss the Super Heated Water Eruptions.
microwaves • microwave oven • electromagnetic radiation • microwave radiation • magnetron
Cooking with Light
Microwave ovens cook food by agitating water molecules
nuking • microwave oven • microwaves • microwave • magnetron
Microwave ovens cook food by agitating water molecules
nuking • microwave oven • microwaves • microwave • magnetron
Ghost Hunting Equipment: EMF Meter
EMF meters are used by ghost hunters either incorrectly as a 'ghost detector' or, correctly, to look for an environmental science explanation for haunting experiences.
emf • emf meter • ghost hunting • ghost hunting equipment • ghost hunting kit
EMF meters are used by ghost hunters either incorrectly as a 'ghost detector' or, correctly, to look for an environmental science explanation for haunting experiences.
emf • emf meter • ghost hunting • ghost hunting equipment • ghost hunting kit
How Do Microwave Ovens Work?
How do microwave ovens cook food? How is the energy of the microwaves converted to heat energy in our meals? How does microwave heating work?
how do microwave ovens work • microwave ovens • microwaves • electromagnetic waves • microwave heating
How do microwave ovens cook food? How is the energy of the microwaves converted to heat energy in our meals? How does microwave heating work?
how do microwave ovens work • microwave ovens • microwaves • electromagnetic waves • microwave heating
How We Get Power from the Sun
The Sun bathes the Earth in a constant flow of electromagnetic energy and there are many different ways that we can harvest that clean energy for our use.
solar energy • solar power • electromagnetic energy • photovoltaic cell • photogalvanic cell
The Sun bathes the Earth in a constant flow of electromagnetic energy and there are many different ways that we can harvest that clean energy for our use.
solar energy • solar power • electromagnetic energy • photovoltaic cell • photogalvanic cell
Microwave Ovens Heat Food Unevenly
Why is microwave heating of food often uneven so that one bite is scalding while the next is still frozen?
microwave ovens • microwave ovens heat food unevenly • microwaves • electromagnetic waves • microwave heating
Why is microwave heating of food often uneven so that one bite is scalding while the next is still frozen?
microwave ovens • microwave ovens heat food unevenly • microwaves • electromagnetic waves • microwave heating
Reflection vs. Refraction
Even though reflection and refraction of light are important concepts in optics, they are often confused. The two concepts are unraveled here.
light • reflection • refraction • reflection vs. refraction • refractive index
Even though reflection and refraction of light are important concepts in optics, they are often confused. The two concepts are unraveled here.
light • reflection • refraction • reflection vs. refraction • refractive index
The Big and the Small - Part 1
At different scales, different forces have a predominate influence over matter.
4 forces • four forces • gravity • weak force • strong force
At different scales, different forces have a predominate influence over matter.
4 forces • four forces • gravity • weak force • strong force
The Big and the Small - Part 2
Last week we looked at how the four fundamental forces influence matter on the atomic and microscopic scales, this week we look at the macroscopic and cosmic scales.
4 forces • four forces • gravity • weak force • strong force
Last week we looked at how the four fundamental forces influence matter on the atomic and microscopic scales, this week we look at the macroscopic and cosmic scales.
4 forces • four forces • gravity • weak force • strong force
The Neutron
The neutron is one of the most common particles of matter, and it is integral to the formation of every element other than hydrogen. Find out why.
neutron • neutrons • protons • nuclear force • residual strong force
The neutron is one of the most common particles of matter, and it is integral to the formation of every element other than hydrogen. Find out why.
neutron • neutrons • protons • nuclear force • residual strong force
What is Radio Astronomy?
In addition to visible light, astronomers study radio waves from the Sun, planets, stars, galaxies, and other celestial objects.
radio astronomy • electromagnetic waves • telescopes • reflector telescope • karl jansky
In addition to visible light, astronomers study radio waves from the Sun, planets, stars, galaxies, and other celestial objects.
radio astronomy • electromagnetic waves • telescopes • reflector telescope • karl jansky
Why no Metal in Microwave Ovens?
What happens to metal inside a microwave oven? Why are the interior walls metal? Metal reflects microwaves and will conduct electric currents.
microwave ovens • metal in microwave ovens • microwaves • electromagnetic waves • microwave heating
What happens to metal inside a microwave oven? Why are the interior walls metal? Metal reflects microwaves and will conduct electric currents.
microwave ovens • metal in microwave ovens • microwaves • electromagnetic waves • microwave heating
A Clean Sweep
We live in a disposable world, and some manufacturers seem determined to keep it that way. Maybe it's time to just say no.
disposable • disposable society • disposable dust-mop • landfill • reduce
We live in a disposable world, and some manufacturers seem determined to keep it that way. Maybe it's time to just say no.
disposable • disposable society • disposable dust-mop • landfill • reduce
Doppler Radar Weather Forecasting
Since the 1940s, meteorologists have used Doppler radar to detect storm intensity and movement, predict precipitation amounts and help give weather warnings and alerts.
doppler radar precipitation detection • national weather service • meteorologist use doppler radar • weather surveillance 1988 • electromagnetic radio waves antenna
Since the 1940s, meteorologists have used Doppler radar to detect storm intensity and movement, predict precipitation amounts and help give weather warnings and alerts.
doppler radar precipitation detection • national weather service • meteorologist use doppler radar • weather surveillance 1988 • electromagnetic radio waves antenna
James Clerk Maxwell Biography
Life and works of James Clerk Maxwell, considered the 19th century's greatest scientist, famous for electromagnetism and Maxwell's Equations.
james clerk maxwell • james clerk maxwell biography • maxwell's equations • james clerk maxwell life and works • maxwell and electromagnetism
Life and works of James Clerk Maxwell, considered the 19th century's greatest scientist, famous for electromagnetism and Maxwell's Equations.
james clerk maxwell • james clerk maxwell biography • maxwell's equations • james clerk maxwell life and works • maxwell and electromagnetism
Michael Faraday, Life and Works
Brief biography of Michael Faraday, greatest experimental scientist in history, famous for his breakthroughs in electricity and electrochemistry.
faraday • michael faraday • faraday life and works • faraday biography • faraday electricity
Brief biography of Michael Faraday, greatest experimental scientist in history, famous for his breakthroughs in electricity and electrochemistry.
faraday • michael faraday • faraday life and works • faraday biography • faraday electricity
Record Setting Firing of Railgun
The US Navy has tested the worlds largest rail gun making history in the evolution of large gun technology.
office of naval research • 32 mj (megajoules) • electromagnetic rail gun • naval surface warfare center (nswc) • dahlgren virginia
The US Navy has tested the worlds largest rail gun making history in the evolution of large gun technology.
office of naval research • 32 mj (megajoules) • electromagnetic rail gun • naval surface warfare center (nswc) • dahlgren virginia
Soviet and US Air Combat 1950-1991
It was little known that on at least two dozen occasions blood was drawn by either side of the two superpowers in the cold war in aerial combat.
1949 • 1991 • armed soviet/russian aircraft • radar locks • threatening a missile launch
It was little known that on at least two dozen occasions blood was drawn by either side of the two superpowers in the cold war in aerial combat.
1949 • 1991 • armed soviet/russian aircraft • radar locks • threatening a missile launch
Types of Stars
Stellar spectral classification helps astrophysicists understand the lives of stars.
spectrum • electromagnetic spectrum • star • astrophysics • stellar classification
Stellar spectral classification helps astrophysicists understand the lives of stars.
spectrum • electromagnetic spectrum • star • astrophysics • stellar classification
Understanding Gauss's Law
The total electric field integrated over a surface enclosing a volume of space gives the total amount of electric charge in that region of space.
gauss's law • karl gauss • electric flux • electric field • electromagnetic physics
The total electric field integrated over a surface enclosing a volume of space gives the total amount of electric charge in that region of space.
gauss's law • karl gauss • electric flux • electric field • electromagnetic physics
What does LASER stand for?
LASER has become a common household word, but what does it mean?
laser • acronym • light amplification and stimulated emission of rad • lasing • laser beam
LASER has become a common household word, but what does it mean?
laser • acronym • light amplification and stimulated emission of rad • lasing • laser beam