Questions tagged [mobile-phones]

A device that can make and receive telephone calls over a radio link whilst moving around a wide geographic area.

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82
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6answers
8k views

Do mobile phones have anything to do with brain cancer?

Is there evidence for a correlation between the use of mobile phones and the occurence of brain cancer? If yes, is there also evidence for causality?
58
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3answers
106k views

Does a mobile phone charger that is plugged in but has no phone attached to it use energy?

Obviously, I am talking about simple charger without any indicator lights etc. If yes, why does it use energy when the circuit is not closed? Examples of the claim: http://www.treehugger.com/culture/...
49
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2answers
8k views

Are cell phones dangerous to use at the gas station?

All over the world there are signs similar to this, is there the slightest bit of support for the danger of using a cell phone at the gas station? Related to: Are personal electronics a risk to ...
44
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2answers
18k views

Can you test for microwave leaks by putting a cell phone inside and calling it?

I heard as long ago as 2003 that trying to call a cell phone while it's inside a microwave (with the microwave off, of course) could be used to test if the shielding of the microwave was intact. I ...
31
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1answer
2k views

Does radiation from sleeping next to your smartphone affect your brain patterns negatively?

Vivian Giang writes in Sleep Drives Metabolite Clearance from the Adult Brain: In fact, as part of Swart’s Neuroscience For Leadership class at MIT in April, she discussed the serious health ...
31
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1answer
7k views

Is Swype faster than typing?

Many articles on IT websites claim that Swype is faster than typing on smartphones (zdnet, ghacks, etc). Wikipedia relates the following claim : "The creators of Swype predict that users will achieve ...
28
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1answer
38k views

Can you detect a hidden camera in a trial room/changing room with your phone?

There's this message spreading virally over the internet: Read This Message.....!!!! How to Detect Hidden Camera in Trial Room? In front of the trial room take your mobile and make sure ...
26
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1answer
1k views

Does immersing a wet phone in rice prevent it from dying?

There is a tale spreading around about people who have supposedly resuscitated their cell phones using bags of rice after dropping them in water or otherwise getting them soaked. The supposed science ...
25
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2answers
20k views

Can mobile phones be tracked when they're switched off?

Seeing as mobile phones aren't sending signals when switched off, is it possible to track a mobile phone when it's switched off? NSA growth fueled by need to target terrorists By September ...
25
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1answer
31k views

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/...
23
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1answer
2k views

Does 5G pose health risks?

Among others, the website RadiationHealthRisks claims: Second, according to experts, because of the shorter length of millimeter waves (MMV) required by 5G to support the bandwidth, these ...
22
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1answer
769 views

Does mandatory registration of SIM cards reduce terrorism?

Like a number of other countries, Pakistan is no longer allowing the usage of unregistered SIM cards for mobile telephony: http://www.telegraph.co.uk/news/worldnews/asia/pakistan/9718441/Pakistan-...
22
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1answer
1k views

Are smartphones, keyboards, and tablets more contaminated with Staphylococcus aureus than a public toilet seat?

Source: How clean is your iPad? – a “Which?” hygiene investigation We use them every day while eating lunch or a snack, but new Which? research has revealed tablets, smartphones and keyboards may ...
21
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1answer
1k views

Is talking and driving more dangerous than any other type of distraction?

Are there any studies that demonstrate that talking on a cell phone is more dangerous than any other type of distraction? Yes, it seems clear that talking on a cell phone is a distraction, but for ...
20
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1answer
2k views

Are train passengers exposed to dangerous levels of cell phone electromagnetic radiation?

This article warns of cell phone radiation on trains: Train passengers exposed to cell phone electromagnetic radiation (Better Nutrition) Passengers on packed trains and subways may be exposing ...
20
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2answers
1k 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 ...
19
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1answer
4k views

Does the presence of a cellphone affect sperm count or heart rate?

A doctor from my girlfriend's family was talking to her over the weekend. She explained to me that he was talking about how there is proof that cellphones decrease sperm count when being stored in a ...
19
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1answer
1k views

Is this new study on cell phone / cancer connection legitimate?

Insanely related: Do mobile phones have anything to do with cancer? I was just sent THIS article, which claims that a new study does show a link between brain cancer and cell phones: This new ...
18
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2answers
5k views

Does wifi stunt cress growth?

A couple of weeks ago there were reports of an experiment by schoolchildren that appears to demonstrate that wifi router radiation adversely affects cress. There's been time now for the leading ...
18
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1answer
827 views

Does fully discharging a Lithium-based battery reduce its lifespan?

According to Battery University, the less you allow a Lithium-based battery to discharge before charging it again, the less wear it will undergo and therefore the longer lifespan it will have. (e.g. ...
17
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1answer
68k views

Does a cell phone emit 1000 times more radiation when its battery is low?

Found this gem on G+: The rest seems all extremely circumstantial except the very last item. The 'radiation' they're talking about, I'm assuming, is electromagnetic radiation - which would be weaker ...
16
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3answers
60k views

Can you unlock a car using a cell phone?

I have heard that it is possible to unlock a car using the remote key-fob over a cell phone network. Scenario: Adam locks his keys in his car. He uses his cell phone to call his wife, Betty, who is ...
16
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1answer
5k views

Do mobile phones cause heart troubles?

Almost everytime I have my mobile in my shirt pocket, someone is quick to point out that I shouldn't keep it near my heart. Is there any link between a mobile phone and heart troubles? Is it true?
16
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2answers
1k views

Is it risky to use a cell-phone in a hospital?

Cell phones are forbidden in a lot of hospitals because they interfere with the medical instruments. I've found studies that prove both that it's dangerous and both that it's not: No, it's not ...
16
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1answer
2k views

Do elevators increase radiation from cell phone use?

Literally every elevator I’ve been in during my stay in Israel has a sign which says that cell phone use is prohibited - not because of disturbing other passengers, or because the metal car blocks the ...
14
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2answers
2k views

Can products that claim to to reduce electromagnetic radiation from mobile phones be substantiated?

There are some products, stickers that you put onto your mobile phone for example, that claim the following Boost your natural defenses in the presence of electromagnetic radiation (EMR) ...
14
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1answer
2k views

Could the Nokia 1100 be hacked to sniff SMS messages intended for third parties?

TL; DR; version: Is it possible that hackers were somehow able to "reprogram" a specific Nokia 1100 phone to make it receive SMS messages sent to another person's phone number? A couple of years ago, ...
13
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0answers
976 views

Is the Craigslist rant saying people stay in restaurants on average a hour longer a hoax?

According to a craigslist post supposedly created by an anonymous NYC restaurant, customers take almost twice the time today to eat than 2004 because of mobile phones, food photos and fussiness. I ...
12
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2answers
72k 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 ...
12
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3answers
1k views

Are there mobile phones in North Korea?

Is it true that there are no mobile phones in North Korea? I have heard opposing views saying that there is a working mobile network that many people use and views that say there isn't any of them in ...
11
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2answers
976 views

Do reverse phone lookup services work?

This morning I received a phone call from an unknown caller. I punched the number in Google to see if any hits came up. Unfortunately all I got was the long list of services that show up promising to ...
11
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0answers
7k views

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 ...
9
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2answers
950 views

Is it possible to bake a cake with a phone inside, leaving the phone intact?

Recently the following picture has been circulating on some websites on the internet: I highly suspect this is some kind of a fake. Is there any data on maximum operating temperature for a mobile ...
9
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2answers
9k views

Does a mobile phone send signals when it's off?

I've heard that mobile phones send signals to the tower even when the mobile goes off so your location can be detected. Is this possible?
9
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1answer
604 views

Do wifi and cellphones increase the risk of miscarriage?

Over the past few days, a whole bunch of news articles have claimed that WiFi and cellphone signals increase a pregnant woman's miscarriage risk. Some examples: "WiFi and mobile phones could increase ...
9
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0answers
407 views

Did a Blackberry service outage reduce traffic accident rates in Dubai and Abu Dhabi?

A report from The National has been widely cited on the Internet recently: A dramatic fall in traffic accidents this week has been directly linked to the three-day disruption in BlackBerry services....
9
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0answers
310 views

Does frequent cell phone use reduce the sperm count of men? [duplicate]

Possible Duplicate: Does the presence of a cellphone affect sperm count or heart rate? Is cell phone use harmless or is there a chance that it lowers the sperm count of men? New independent ...
8
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2answers
856 views

Can cell phones be remotely converted into listening devices?

This is one of the statements of Richard Stallman in his homepage as an explanation of why he doesn't own a cell phone: Cell phones are tracking and surveillance devices. They all enable the ...
8
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2answers
586 views

Do cell phones relay their locations to emergency services?

I just saw this YouTube video warning about the inaccuracy of cell-phones in relating their location to 9-11 dispatchers: while it's true that modern cellphones can relay locations back to your 911 ...
8
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1answer
2k views

Can mobile apps monitor your sleep cycles?

There's already been a question about devices that can help you monitor your sleep and their possible benefits, but I'm interested specifically in the apps for mobile devices that claim to be able to ...
8
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2answers
660 views

Are mobile phones causing the demise of bees?

So someone I know posted a link to this Inhabitat Blog article on Facebook. Scientists may have found the cause of the world’s sudden dwindling population of bees – and cell phones may be to blame....
8
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1answer
1k views

Can ionizing radiation be seen in videos taken on a mobile phone?

This article1, among other things, claims that mobile phones can be used to detect radiation: ... the presence of scintillating pixels – white dots that flashed on and off briefly in the mobile ...
8
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0answers
625 views

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 ...
7
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1answer
2k views

Are the methods and conclusions of the study “Clear connection between wireless devices and cancer, experts say” sound?

The article, no longer linked at Science Daily, by is summarized: A metabolic imbalance caused by radiation from your wireless devices could be the link to a number of health risks, such as various ...
7
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3answers
351 views

Can mobile phone cell towers be spoofed in ways that allow interception of calls?

There are multiple forms of evidence that people can spoof cell towers and monitor cells. This Forbes article reports a proof of concept that works for 2G technology. This article from The Register ...
7
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1answer
358 views

Were radio frequency radiation levels raised to accommodate mobile phones?

When I was at university (in Australia) a lecturer mentioned that the Australian standard for radio frequency radiation levels were deliberately raised to accommodate mobile phone technology. So that ...
7
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0answers
535 views

Did a woman go blind playing a mobile game?

This articles states: http://www.telegraph.co.uk/news/2017/10/06/chinese-woman-blinded-one-eye-playing-game-likened-electronic/ The 21-year-old woman suddenly lost sight in her right eye after ...
7
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1answer
660 views

Is Tetris by Electronic Arts the best selling video game on mobile?

According to Wikipedia, Tetris by Electronic Arts is the best selling video game ever made. With 100 million downloads, it sold 17.46 million copies more than the next best selling game, Wii Sports ...
6
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2answers
2k views

Was text messaging originally developed for deaf people?

I just heard this claim in this TED talk by Elise Roy (at about the 5:24 mark in the transcript): Text messaging: that was originally designed for people who are Deaf. Is it true?
6
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1answer
1k views

Do mobile phones interfere with bees communication? [duplicate]

Possible Duplicate: Mobile phones are the cause of the demise of the bees? I've heard from my biology teacher that mobile phones interfere with bees communication. The claim is that the signals ...