Electromagnetism is the branch of science concerned with the forces that occur between electrically charged particles. Use this tag for anything related to electricity, electrical or magnetic fields (such as microwave radiation), etc.

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Can the Earth's Magnetic Field Create electricity? [closed]

If the earth has a magnetic field, can it, in theory, be run through a conductive metal coil to create electricity?
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Misconceptions about electric theory

Electric misconceptions This is a fairly big question, and is divided into three parts. One part is a separate question. The site lists several common misconceptions, and what the correct way of ...
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Can HAARP warp space-time? [duplicate]

According to this article A brilliant physicist published a revolutionary paper citing 30 other scientific papers that reveal HAARP has incredible powers far beyond what most investigators of the ...
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328 views

Do powerline network adapters emit electromagnetic radiation when not paired? [closed]

Concerning radiation cited in this topic Is the electomagnetic radiation from HomePlug style networking 'worse' than from Wifi? Does the powerline adapter emit electromagnetic radiation when ...
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Is the electric chair painless? [closed]

Almost everybody thinks that execution by electrocution is one of the most painful and horrible ways to die. But is it true ? Different sources cite that any current bigger than 0.1 mA is lethal in ...
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438 views

Can MRI machines induce a sensation of extreme heat?

A friend recently had an MRI performed on his back and said he experienced an uncomfortable amount of heat. In his own words, he said: "The MRI tech said the reason I was boiling in the machine was ...
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357 views

A Boy with the Magnetic body & healing hands, How this is scientifically possible? [duplicate]

Possible Duplicate: Do metal items stick magnetically to “Magnet Boy”? A six-year-old Croatian schoolboy Ivan Stoiljkovic has a magnetic personality and astounds people with his ...
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Does never charging a laptop battery to more than 80% capacity increase its lifespan?

In relation to Does recharging a battery when it is only half-way dead decrease its life span? I read an article about Maximizing the lifespan of a laptop battery where Samsung puts it: Most ...
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Do ionizing hair-dryers reduce frizz and drying time?

The new wave in Hair Dryer technology involves marketing benefits based on Ionization. Is there any evidence for any of this though? Conair® Turbo 1875: "Ionic technology helps enhance your ...
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In 2012, can we now say that electromagnetic hypersensitivity is more than a nocebo effect? [duplicate]

Possible Duplicate: Is there any evidence for electrosensitivity/electroallergy? Last time this question was asked on Skeptics - Stack Exchange (in January 2012), the accepted answer ...
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Can getting in and out of a vehicle at a gas station cause combustion?

The warning signs at gas stations warn that you ought not enter and exit your vehicle while filling up your tank at the gas station. I have also been told by many people that doing so runs a risk of ...
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Can high-frequency coil radiation kill disease? (e.g., Lakhovsky's multiple-wave oscillator [MWO])

The idea of an oscillator-based healing device was popularized by Georges Lakhovsky and is now associated with scientists like Tesla, Clark, and Beck. There are many YouTube videos dedicated to ...
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Did Nikola Tesla work on “healing machines”?

If so, what were they proven to do? I've heard this sometimes confused with Lakhovsky's MWO. Are there any primary sources of his work on "healing machines" and coils/tubes that eradicate disease? Did ...
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Is electric muscle stimulation training safe and effective?

Electric muscle stimulation (EMS) is touted as having the ability to strengthen muscles, reduce weight, minimize body fat and improve local blood circulation. During physical activity, your ...
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460 views

Do Hubbard Electrometers (E-meters) detect emotion about past experiences?

I saw a table set up for "Free Stress Test" that someone was sitting at looking forlorn because everybody was walking past. I asked how it worked and she got me to sit down with these two cans ...
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254 views

Can an electric chair shock raise your hair?

What the title says- is it as it is often portrayed in cartoons?
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542 views

Will the Sun's magnetic activity disrupt electronics on Earth?

I recently came across a claim that the earth's geomagnetism will change and all the electronics devices will be disrupted due to the Sun's magnetic pole change, as described in this video. ...
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How much does wet sponge matter in electrocution process?

In Stephen King's novel The Green Mile and it's film adaptation one of the characters (Eduard Delacroix) is getting electrocuted. Before the execution one of the correction officers instead of wetting ...
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440 views

Do dimmer switches increase the likelihood of cancer?

I spoke to someone this weekend who was adamant that dimmer switches in households "cause" cancer. His claim was that since dimmer switches work by rapidly modulating the voltage to the lights they ...
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Can turbines on the front of cars ever pay off? [closed]

This news article is proving to be quite controversial here. Basically it's an electric car with a turbine bolted onto the front. On the face of it sticking a turbine on the front is going to increase ...
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Will sticking a knife into a toaster electrocute me?

As a child, do you remember being told not to stick metal utensils into the toaster to unlodge toast? If by chance that utensil touches the wrong thing inside of the toaster, you could be easily ...
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Does “dirty electricity” cause cancer?

Research by Magda Havas, Ph.D., of Trent University in Canada, and U.S. epidemiologist Samuel Milham, M.D., links something called “dirty electricity” with diabetes, malignant melanoma, and cancers ...
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Do solar flares and/or geomagnetic storms affect human health?

I've read recently that magnetic storms cause: "heart failure, heart attack, strokes and insomnia". This comes from major newspaper in Lithuania (EU country), here is the link to the article (in ...
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Correlation/relationship between human magnetic field and body temperature [closed]

Is there any relationship between human magnetic field and body temperature? I am looking for studies on this topic.
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Are microwave hot-spots real?

So, this was originally a part of this question, but from the comments it seems like it might be beneficial to branch it. I have been told that the microwave left "hot spots" — areas in a fluid ...
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electromagnetic field alters directional path of light [closed]

Is there any scientific study suggesting that Einstein's analysis on light perhaps bending due to high electromagnetic fields rather than spacetime is true? If this study is or ever was in effect ...
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Does defragging shorten the life of a computer hard-drive?

There has been a question about whether it improves your computer's performance - my question is based on the precept that magnetic audio and video tapes, for example, quickly show damage if data is ...
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Can smartphone Apps detect EMF?

There are a couple of Android apps to detect EMF (for ghost hunting and for hazard-protection). I tried a free one which did not work. Some I can't seem to download. Has anyone tested them (against a ...
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Do electronic bug repellers work? [duplicate]

Possible Duplicate: Ultrasound pest control devices Do electric insect repellers example work? For context, I live in a rented house that has several of these installed. My personal ...
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1answer
804 views

Do Compact Fluorescent Lamps (CFL) create dirty electricity which can impact health?

According to this CBC Be Green report: 'CFLs [Compact Fluorescent Lamps] produce what is called "dirty electricity".' In an environment with dirty electricity, diabetics blood sugar will climb. It ...
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Do electric heaters with open heating elements “dry the air” or “burn up oxygen”?

There is a popular belief in Russia that electric heaters with an open nichrome heating element (red hot) "burn up oxygen" and "dry the air", unlike oil-filled ones. Is it true that a Joule heater ...
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Is Vatican Radio causing childhood leukaemia?

It an ugly, long standing story in Italy: Vatican radio has huge antennas, not subject to Italian law, and the people living in the surroundings lament severe ailments such as leukaemia. The Santa ...
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Is the electomagnetic radiation from HomePlug style networking 'worse' than from Wifi?

I was investigating installing powerline networking in my home in order that I can switch off my wifi installation (partly for performance reasons, partly because the layout of the house means that my ...
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Does tying a knot in a power cord provide any protection against lightning?

Some 20 years ago, when I was 11 or 12 years old, I attended a weekend 4-H camp about electricity. I recall one of the instructors there informing us that the cheapest way to protect our electronic ...
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Are electronic power consumption “smart meters” an invasion of privacy?

I've recently seen some commotion online about "smart meters," electronic power consumption meters that are replacing the mechanical meters in some areas. My understanding is that these meters have ...
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Does the “Spike Buster” reduce electricity consumption?

My dad just bought a device that claims to reduce electricity consumption in the house. It is called a Spike Buster It is just a small box with a led that you connect to any socket in the house. It ...
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Is reading household power meters frequently helpful for utility companies?

IBM recently published a case study on "smart" power meters. Those power meters read consumption data many times a day and record that data so that it can be analyzed. IBM claims [cool ...
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Are electric chairs powered by generators connected to the mains in the same building?

There's an episode in The Green Mile movie where the death row servicemen rehearse the upcoming execution that is done using an electric chair. One of them says (quoted from here): Roll on one. ...
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Does recharging a battery when it is only half-way dead decrease its life span?

One thing many manufactures of laptops and cellphones recommend is that you wait until the battery is completely dead before you recharge it or else it will slowly loose its maximum capacity or have a ...
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Can defibrillation revive a flatlined patient?

Wikipedia notes that the technical term for flatline is asystole and adds this comment: Despite defibrillation commonly appearing on medical dramas as a remedy for asystole, it is usually not done ...
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Is leaving your AC fan (blower) on 24/7 during summer more efficient than leaving it on auto?

The AC guy that fixed my AC recently said I should turn my AC fan on 24/7 and this would increase the efficiency of my AC system. I looked it up and found this same claim in several places: City ...
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Are electric zaps effective for exercising?

I've seen commercials of "TENS" (Transcutaneous electrical nerve stimulation) devices that you strap on to your stomach or thighs, which zaps you continuously making your muscles contract, supposedly ...
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Are electric cars better for the environment than internal-combustion cars? [duplicate]

Possible Duplicate: Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventional technology? We hear a lot about electric cars being the future. But we ...
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Does Van Eck Phreaking work?

Does Van Eck phreaking perform as described, i.e. allow a person to observe what is being displayed on a given computer screen (notably a LCD) from a distance without having any physical connection to ...
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Is it illegal to use freely produced hydrogen in place of costly/taxed natural gas and gasoline, or to produce electricity?

updated to include using hydrogen in place of natural gas/gasoline, instead of solely to produce electricity. Note that while this question is somewhat about law, lawyers cost money, and I don't ...
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Can you be electrocuted while taking a shower during a thunderstorm?

I remember growing up and my mom always telling me to not take a shower while it was thunderstorming. I've done it a few times but I always try to keep the water not flowing over my body in case it ...
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231 views

Why 'every' electrical devices in an airplane are prohibited during landing and departing? [duplicate]

Possible Duplicate: Are personal electronics a risk to commercial aviation? Not only the electrical devices using EM wave (ex: Cellphone, RC car, ...), but other electrical devices (ex: ...
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3answers
2k views

Can a television thrown in a bathtub kill someone?

In TV show or films, it seems that throwing any mains-powered electrical device (such as a television or radio) in a bathtub can kill the person in said bathtub. Can this happen? It appears to me ...
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Is it possible to pick up radio signals from dental fillings?

I recently heard this claim referred to on House M.D. when the titular character is experiencing phantom sounds, and the show appeared to give the idea some credibility. So I decided to look it up, ...
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Are passengers inside cars protected from lightning because of the tires?

It's a common statement that passengers of a car are protected from lightening while inside because the car has rubber tires (which are insulators). An alternative theory often put forward is that ...

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