Questions tagged [electromagnetism]

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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15
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2k 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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Does home-WiFi expose you to less radiation than using the 3G on your cell-phone?

Are there any studies that compare WiFi and cellular data usage, in the home, over time? Mainly I've heard that WiFi uses more battery (so it should emit more radiation) but OTOH it feels like 3G/...
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4answers
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Do magnets have verifiable effects on humans?

Do magnets have statistically significant effects on humans? Some example claims are in the Wikipedia article on Magnet therapy. Which says: Practitioners claim that subjecting certain parts of ...
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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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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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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 ...
21
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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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Does the amount of land needed to get the USA to zero-carbon electricity correspond to a small area of Texas?

After watching Elon Musk's presentation regarding the Tesla Powerwall, I had a question. On his diagram of the USA, he claims that a "tiny blue square" on the top of Texas that consists of solar ...
26
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Do Rife machines kill viruses and bacteria?

Supporters of the Rife machine claim that virus and bacteria can be killed setting the machine at the right electromagnetic frequency. Rife also reported that a 'beam ray' device of his invention ...
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3answers
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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 [goverments/aliens/NSA/CIA/FBI/liberals/...
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Can 'resonant frequencies' kill cancer cells?

According to some guy called Anthony Holland, you can kill cancer cells with resonant frequencies: "Cancer Research", Novobiotronics; "Shattering cancer with resonant frequencies: Anthony Holland at ...
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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 of ...
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Has electromagnetic therapy been proven effective?

Has there been any legit studies that looked into it? Anything that either confirms or debunks it? I might need the powers of science by my side when some family members come and try to convince me ...
7
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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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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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Does Electromagnetic Hypersensitivity (EHS) exist?

A recent article from Daily Mail cited the case of a woman claiming to be allergic to Wi-Fi, and that it could even kill her. This claim sounded ridiculous and absurd to me. Quoting parts of the exact ...
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Is it the current that kills you, not the voltage?

"It is not the voltage that kills you, it is the current" is an electricity safety tip I've heard many times. For example, here is an experienced electrician making the claim: The real danger with ...
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Is it possible to obtain current indirectly from power lines?

Can one obtain a sufficient amount of energy for a household's needs by indirect means (induction or otherwise) from nearby high-voltage power lines? Are there any documented cases of such attempts (...
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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 ...
33
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1answer
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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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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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Does electromagnetic radiation from high energy power installations have negative effects on health?

Note that I'm not asking about high energy RADAR and telecommunications installations or similar systems which can cook small animals alive. I've heard lots of stories about negative health effects ...
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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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Subway magnetic fields and laptop hard drives

I just heard a story of a guy who took the subway to transport his company's off-site data back-ups for storage. When the time came for restore after a disaster, the data was corrupt and erased. ...
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Does the EM drive (electromagnetic drive) work despite the apparent lack of propellant?

In recent headlines, a supposed EM drive, or RF resonant cavity thruster, has been reported to produce thrust despite the apparent lack of any propellant. The drive is purported to work by pushing ...
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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 Data ...
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1answer
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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 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 stuff]Giving ...
24
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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, ...
13
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1answer
564 views

Have any “blockages” ever been observed in the body's EM field?

Crystal healing techniques speak of blockages in the body's electromagnetic field. Electromagnetic fields can usually be measured and observed. So, it seems to me, if a body's electromagnetic field ...
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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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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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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 ...