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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Do antistatic car-straps reduce static shocks from cars?
There is a line of anti-static rubber straps sold for cars which attach to the chassis of the car and dangle down to the road. It is claimed that they allow static electricity to drain off, preventing ...
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Was an invisible electrostatic wall generated at a plastic tape factory in August 1980?
Amasci.com reported in 1996:
David Swenson of 3M Corporation describes an anomaly where workers encountered a strange "invisible wall" in the area under a fast-moving sheet of electrically ...
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Do recent images from the JWST pose a major crisis for Big Bang cosmology?
In some recent publications, plasma physicist and alternative cosmology advocate Eric Lerner has made the claim that recent JWST images disprove the conventional ΛCDM model of cosmological inflation, ...
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Can Dubai make it rain with drones that emit electric charges?
In this post from LinkedIn there is a video of a bunch of rain fall, the post says,
Dubai is making it rain (artificially).
Scientists in the United Arab Emirates are using electrical charges from ...
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Did an asteroid impact in 2000 cause widespread power outages in Yukon, Canada?
A number of sources on the Internet claim that an asteroid impact in 2000 caused widespread power outages in Yukon, Canada. For example, according to the German-language Wikipedia page for the small ...
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Can electricity be transmitted wirelessly over Zenneck surface waves?
Viziv Technologies claims that they are researching the ability to send and receive electricity using the Zenneck Surface Waves.
August 2019 press release
Viziv Technologies, LLC, and Baylor ...
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On the impact of (non ionising, non visible) EMF radiation on the human body: should we be worried about widespread 5G implementation? [duplicate]
I decided to do some research on the topic and found these two articles listed on google scholar (i have the PDFs, and can share them if you tell me how to!).
https://www.sciencedirect.com/science/...
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What happenned at Ripon - Weston Elementary School [closed]
Links / news
Did the radio tower cause the cancer? - There is little evidence that radio towers in general cause cancer.
Tests reveal carcinogen (TCE) in tap water but carcinogen is 10x lower than ...
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Does aluminum foil safeguard your credit card from RFID attacks?
Evidence against
Does Aluminum Foil Stop Identity Theft?
Some sources say that if you actually have an RFID-enabled credit card, aluminum foil does the same job, if not better, than an expensive RFID-...
user16959
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Do crystals protect against EMF
There is no shortage of claims that certain crystals block/absorb electromagnetic fields (EMF). Independent of whether EMF is actually harmful, does a crystal on a necklace protect a significant part ...
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Is the Infinity MG10 a working generator that consumes no fuel?
Infinity Sav are a company pushing a product, the MG10 which is available for pre-order which, they claim, can generate electricity without consuming fuel - i.e. is a free energy machine.
The ...
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Do electromagnetic fields affect stress and the fight or flight response?
ArmoredSkeptic said on a recent video about ghosts that:
EM fields actually trigger our fight or flight response
Is that true?
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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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Antistatic bracelet without a ground connection
Last winter in Japan, some of my friends were buying bracelets like this, that claim to prevent or reduce static shocks:
Here is an advertisement picture describing how it is supposed to be used, ...
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Is keyless theft/relay theft a practical threat for vehicles with fob/keyless entry?
Some sites, such as AutoExpress, are warning about a method of breaking into vehicles with keyless entry by capturing and relaying the fob's signal.
To quote AutoExpress:
The process criminals use ...
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Do we have enough renewable energy for a humanity only using electrical cars? [closed]
One of my relatives claimed that electrical cars are overhyped and my relative somewhere read that we don't even have enough (renewable!) power to support a humanity in which only electrical cars are ...
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Does using BlueTooth devices cause leakage of the blood-brain barrier?
In 2012, the EMFacts Consultancy blog quoted Cindy Sage as saying:
People should realize that Bluetooth devices that fit in or around the ear typically radiate at 0.23 watts per kilogram (W/Kg). [...]...
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Do the mountains around this Norwegian valley act like a giant battery?
The Gizmodo website has this article about the UFO-like lights often seen at night in Hessdalen, Norway. The article, titled "Why Mysterious UFO-Like Lights Glow in this Norwegian Valley", says that
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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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Could a single nuclear EMP kill 90% of Americans within one year?
From the latest doomsday scenario:
At a U.S. House of Representatives hearing on October 12th, experts warned that the greatest existential threat to the country may come from the detonation of a ...
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Death by electroshock from 12V battery
A solar power book makes this claim:
A low voltage system can cause major problems simply because of the huge current that a 12v battery can generate: in excess of 1,000 amps in short burst can ...
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Is it possible to disable a vehicle with microwave oven magnetron from that distance
In a well-known Youtube channel there is a scene where a scooter had some kind of short circuit caused by magnetron used as a weapon from a distance. I never saw this channel to have fakes but one guy ...
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Electro sensitivity - is it a thing? [duplicate]
Recently, a coworker brought up electro sensitivity as something to consider when developing new communications technology.
What little I have researched so far
The WHO claims that the majority of ...
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Is hair charged with static brittle and susceptible to breakage?
It is said that plastic combs produce static electricity therefore we should use wooden combs.
http://www.joybynature.com/blogs/beauty-style/41263937-6-surprising-benefits-of-using-neem-wood-comb-for-...
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Are cell phones harmful to male fertility if kept in trousers pocket? [duplicate]
Several studies or press articles suggest that keeping a cell phone in a male's trousers pocket (and cell phone usage in general) may harm that men's fertility (increase sperm issues):
http://www....
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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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Was this video of a home made phone charger faked?
A friend of mine recently shared this video on his timeline about turning a cellphone charger into a wireless charger.
I am certain that this video is wrong, but I don't know how to eloquently ...
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Can this Indian teenager resist 11kV electric shocks without dying?
Many online sources report on the Indian teenager Deepak Jangra (Daily Mail, Mirror) who claims to be able to resist 11kV electric shocks.
They include images of him touching an exposed mains wire ...
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Can magnetic resonance through TV and cell phones control your mind and emotions?
I saw this picture on FB with 1,200 likes and 9,738 shares
The graphic reads,
GOOGLE THIS NUMBER: US6506148 B2
IT'S NO LONGER A CONSPIRACY THEORY... YOUR TELEVISION IS BRAINWASHING TOOL USED TO ...
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Can StoreDot batteries be charged in two minutes?
CNET writes:
StoreDot's system, which you can see in action in the video [at the link], uses a different chemical makeup to traditional batteries. We saw a modified Samsung Galaxy S5 go from 15 ...
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Can a "special resistor" save a water heater tank from rust?
The Rheem water heaters say
The Rheem Performance Platinum 50 Gal. Electric medium water heater provides an ample supply of hot water for households with 3 to 5 people. This unit comes with two ...
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Can WiFi cause health problems? [duplicate]
The following letter was delivered to every house in our village. It contains many claims about the health risks of WiFi, mobile phones and microwaves.
It also claims several countries have band the ...
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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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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 ...
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Do watches break very often for some people?
I know of someone who cannot seem to wear watches without them breaking much quicker than expected.
This person was told it is because their body is producing too much electricity and that by ...
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Does a deep freezer use more energy when there is a layer of ice in it?
In light of the potential upcoming power shortages in Belgium, there are a lot of "tips" going around to save power during the cold months.
One of them is to thaw out the ice in the deep freezer as, ...
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Is there any proof that blackle.com conserves energy? [duplicate]
There are claims that blackle.com conserves energy given that it is darker themed and produces less light. There is a counter under the search box that constantly increases. But in today's era of ...
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Has anyone been caught using inductive coupling to steal power?
There are lots of references to the claim that people have stolen power through inductive coupling on the Internet:
The most common claim it that it was a farmer somewhere that noticed electricity ...
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Does extremely low frequency radiation from mobile phones and tablets have adverse health effects?
Is ELF (extremely low frequency) radiation emitted by the electrical appliances' battery's current considered to have adverse health effects, or
is this radiation too low to be considered?
I'd like ...
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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 ...
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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?
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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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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 safe?...
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Does a mobile plugged in to the charger produce more EM radiation?
I've been hearing this a lot lately, but I can't seem to find anything to disprove (or prove) this claim. I know that a weak signal means the phone produces more radiation (which makes sense), but a ...
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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 ...
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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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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 the ...
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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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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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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 ...
user5582