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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Are earth-grounding mats (designed for connecting humans to earth-ground) effective and safe?

The website Earthing [Warning: auto-playing video] sells earthing mats. The site states: Throughout history, humans walked barefoot and slept on the ground. But modern lifestyle [(shoes, beds, and ...
42
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1answer
4k views

Did Benjamin Franklin perform an experiment by flying a kite in a lightning storm?

Is there any credible evidence that Benjamin Franklin actually did his famous kite experiment?
8
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567 views

Are birds magnetically repelled from high-voltage power lines?

There is a board game from the 90's called 'Mind Trap' in which players must solve tough riddles. One of the riddles goes like this: Sid Shady claimed that he developed a special insulation for ...
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1answer
446 views

Do cellphone towers cause health issues?

Yesterday I got a request to install a cellphone tower on my building. The company is going to pay me fair amount but I heard that cell tower radiations cause some serious health issues. Are they ...
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70 views

Are there human “magnets”? [duplicate]

For example this article http://www.huffingtonpost.com/2011/09/16/sanja-petrovic-serbia-human-magnets_n_966347.html talks about humans magnets. Are human magnets a real phenomenon or a fraud?
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2answers
867 views

Can WiFi waves cause headaches?

I saw there was a question about the harmfulness of WiFi waves, but i'd like to focus on the claims that they can cause headaches specifically; not the cancer-claims. Numerous people come up with ...
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3answers
650 views

Do tinfoil hats protect against any sort of radiation?

Delusional conspiracy theorists are commonly portrayed as wearing tin-foil hats to protect against mind-control rays from sinister organisations such as ...
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1answer
817 views

Did cows in Germany blow up their own barn by farting?

As reported by Reuters, Flatulent cows start fire at German dairy farm - police Methane gas from 90 flatulent cows exploded in a German farm shed on Monday, damaging the roof and injuring one of ...
5
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1answer
515 views

Can humans “feel” the earth's magnetic field?

Someone told me that human cells can somehow feel the earth's magnetic field. The same guy thought that centrioles are probably involved. Is it true? If not, would it be true for stronger magnetic ...
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244 views

Can “Current Mohan” conduct high levels of electrical current through his body?

I saw this episode of Stan Lee's Superhumans featuring Raj Mohan Nair, also known as "Current Mohan". He seems to be able to conduct electric current through his body to power up household electrical ...
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1answer
342 views

Did Mt. Etna cause Sicilian clocks to run fast?

From The Atlantic Wire: The Case of the Volcano That Set Time 15 Minutes Fast: It came to light that for thousands of people, digital clocks and watchers, from computers to alarm clocks, were all ...
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1answer
684 views

Can voice signals be radio-transmitted to a human head acting as a radio receiver?

US Patent 6470214 was recently mentioned on a Jesse Ventura's television program, "Conspiracy Theory", in relation to government mind control experiments and weapons. Now normally, the whole point of ...
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3answers
2k views

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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1answer
486 views

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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1answer
1k 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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1answer
3k 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 ...
5
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1answer
593 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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2answers
4k views

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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1answer
368 views

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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2answers
618 views

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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1answer
736 views

Do magnetic insoles or bracelets increase muscular strength and flexibility?

I remember a while back when I was younger (late 90's) when one of my friend's mom was pushing some Nikken magnetic insoles where she claimed that the effects of the magnets would increase muscular ...
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0answers
787 views

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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2k views

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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1answer
3k views

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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2answers
682 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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1answer
715 views

Can radiation from wireless phones and computers harm babies? [duplicate]

Possible Duplicate: Do mobile phones have anything to do with brain cancer? There is some discussion about the harm of electromagnetic radiation (EMR) emitted from mobile phones and other ...
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1answer
521 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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1answer
737 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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3answers
22k views

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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1answer
695 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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2answers
720 views

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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2answers
14k views

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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600 views

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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342 views

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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1k views

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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0answers
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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 ...
10
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2answers
3k views

Does defragging shorten the life of a computer hard-drive? [closed]

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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2answers
25k views

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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0answers
159 views

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
1k 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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3answers
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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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1answer
686 views

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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2answers
2k views

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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0answers
2k views

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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1answer
1k views

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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3answers
13k views

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 ...
5
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3answers
272 views

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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1answer
2k views

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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1answer
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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 ...