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

2
votes
0answers
530 views

Is it safe for a child to sleep near a baby monitor?

I have always assumed baby monitors and all wireless technology to be completely safe and have been informed by a 'friend' that I have been endangering my children by using them. We used an RF ...
18
votes
1answer
714 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. ...
1
vote
0answers
285 views

Could a tattoo encode a wave form to reproduce significant sound sample? [closed]

I just ran into https://skinmotion.com/ which sells "Soundwave Tattoos". My gut says tattoos cannot have high enough resolution to actually encode 15s of audio - even at speech quality. Reading all ...
15
votes
1answer
944 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 ...
9
votes
1answer
485 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
votes
0answers
501 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 ...
2
votes
1answer
847 views

Does charging a phone use the same power as a washing machine? [closed]

I heard that charging a phone is the same as running a washing machine in terms of electricity but from what I understand a typical phone charger uses ~5W whereas a washing machine is near ~500W. ...
2
votes
0answers
51 views

Do cellphones damage male fertility? [duplicate]

According to this article wearing cellphones in the front pocket can cause men lose their fertility. Men using a cellular phone for more than one hour a day double the risk of their sperm count ...
5
votes
1answer
394 views

Do 48% of women in the Arab world not own a mobile phone?

In this 2016 Emirate News article, Kailash Satyarthi is quoted as saying: Today, women are rising, but this is happening only where they have access to education. Young girls in the MENA region are ...
1
vote
0answers
75 views

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....
6
votes
1answer
268 views

Are people more careless with their mobile phones when an upgrade is due?

Gizmodo reports from an article in the Journal of Marketing Research that People Trash Their Phones When an Upgrade is Close The report describes the study further, noting that thee effect is ...
9
votes
2answers
572 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 ...
2
votes
0answers
88 views

Are low SAR phones better for health than high SAR phones? [duplicate]

Each device will have a different SAR value and follow this side https://www.rfsafe.com/samsung-cell-phones-rated-lowest-radiation-cell-phones/ they have say low SAR phone better than high SAR phone ...
22
votes
0answers
811 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 ...
8
votes
2answers
757 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 ...
6
votes
2answers
1k 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?
5
votes
0answers
567 views

Is the NSA installing surveillance codes in iPhones by calling Sprint customers?

I've got a iPhone 6s on the EE network. Today I got a SMS from +44 865 6696 which had the content "Message not found". If I put the number into a t9 predictive text emulator, it spells "Unknown" I'...
9
votes
2answers
797 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 ...
7
votes
3answers
338 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 ...
4
votes
0answers
228 views

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 ...
8
votes
1answer
754 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 ...
7
votes
1answer
1k 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 ...
6
votes
0answers
360 views

Does turning off cellular data when connected to WiFi extend a phone's battery life?

The claim has been repeatedly made on the internet (example: 1, 2, 3* )that when a mobile phone is connected to WiFi, disabling cellular data can extend battery life, as it stops the phone from ...
4
votes
1answer
809 views

Do Samsung phone batteries contain secret chips and antennae for stealing data?

This YouTube video is one of several showing that, if you open a Samsung mobile phone battery, it contains a "secret chip" and antenna, and suggests it can be used for transmitting your secret data to ...
10
votes
0answers
929 views

Was it possible that hackers used Nokia 1100 in some way for fraud?

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, ...
11
votes
2answers
949 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 ...
1
vote
0answers
79 views

Does white background increase battery consumption of a smartphone? [duplicate]

Here is a page with tips on how to decrease power consumption of a smartphone (in Russian). One of the tips is to use black background for Google search. I wonder whether it actually decreases ...
7
votes
1answer
648 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 ...
22
votes
1answer
665 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-...
4
votes
0answers
185 views

Do smartphones and computers cause skin to age via “tech neck”?

I was watching a health program on TV last night that was looking at skin aging, and they flashed up a panel showing various causes of skin aging. Along with the usual culprits of sunlight, smoking ...
0
votes
0answers
84 views

Is there any legitimate reason as to why airplane mode should be used? [duplicate]

On many devices such as smartphones there is an option for "airplane mode". When enabled all wireless forms of communication are turned off. The idea is this is somehow safer to the airplane, but is ...
8
votes
0answers
590 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 ...
4
votes
0answers
451 views

Are the top ten flashlight apps maliciously stealing data and sending it to China, India, and Russia? [closed]

There's an interesting report from a company called SnoopWall that is detailed in this YouTube video from a Special Report with Bret Baier with Fox News. In the report "Cybersecurity Expert" Gary ...
3
votes
0answers
252 views

iOS app listening to my calls, or giant coincidence? [closed]

I was speaking to my insurance agent yesterday afternoon taking care of some life insurance changes, and my agent congratulated me on my recent wedding (July) and inquired about my upcoming honeymoon ...
22
votes
1answer
809 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 ...
14
votes
0answers
962 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 ...
4
votes
0answers
380 views

Is using a phone while driving more dangerous than driving while drunk?

There have been numerous studies that show how using a phone while driving is more distracting than other non-driving tasks and even worse than driving while intoxicated. Here was a study done in the ...
4
votes
0answers
145 views

Are there signification health risks with long term use of headphones on a cellphone?

Does using headphones / earphones plugged into a cellphone for taking calls / listening to music pose a significant health risk in the long run in terms of radiation exposure? Also it depends what ...
3
votes
1answer
509 views

Are the location of brain-tumours linked to which ear you use a cell-phone with?

In the meta-analysis Cell phones and brain tumors: a review including the long-term epidemiologic data, they find that: The results indicate that using a cell phone for > or = 10 years ...
2
votes
0answers
208 views

Is the risk of explosion increased by calling and charging a cell phone at the same time?

I have often heard that charging a cell phone and calling in the same time may cause the cell phone to explode. Here is a Facebook page that has pictures of what is claimed to be one such example. [...
20
votes
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 ...
8
votes
1answer
6k views

Does a mobile plugged in to the charger produce more 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 ...
31
votes
1answer
6k 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 ...
8
votes
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 ...
25
votes
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 ...
18
votes
2answers
4k 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 ...
6
votes
0answers
3k views

Graphene “heat sink” sticker for your mobile phone battery

This product (Japanese language) is claimed to cool down your smartphone, etc, battery by two degrees centigrade - see the photo a little way down the page. It claims to be a graphene-based material, ...
3
votes
1answer
2k views

Radiation dangers with GPS/navigation cellphone apps [closed]

From Wikipedia: Some national radiation advisory authorities... have recommended measures to minimize exposure to their citizens... Do not use telephone in a car without an external antenna I'd ...
12
votes
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 ...
8
votes
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?