50 votes

Does 5G pose health risks?

I would say this is Not True Just going by the sentence you’ve highlighted: Health experts believe this increased exposure to 5G will have a devastating impact on our health. It’s already ...
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21 votes

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

This site calculates the use, in 2013, per year of your phone: How Much Electricity Do Your Gadgets Really Use? (Forbes, 7 sep 2013) It comes down to about 2kWh/year, assuming one full charge per ...
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18 votes

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

Back in 2012 this probably wasn't answerable, now after Gazelle's research which was conducted in 2014 I can attempt to answer this. The good news: it prevents it from dying. The bad news: it isn't ...
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  • 29.8k
17 votes
Accepted

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

Problem 1: "Table 1. Publications which reported positive findings on oxidative stress caused by RFR exposure of cellsin vitro." Problem 2: "Table 2. Publications which reported positive ...
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  • 9,396
17 votes

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

The pictures are not fake. They are real photos of a phone baked into a cake, and then removed. However, the "Imagine this scenario. You drop your phone..." text is just imagination, not what ...
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  • 96.4k
17 votes

Does mandatory registration of SIM cards reduce terrorism?

GSM Association in 2013 has published white paper, which strongly suggests that there is no evidence proving any reduction in crime or terrorism. The Mandatory Registration of Prepaid SIM Card Users ...
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  • 26.5k
15 votes

Do cellphone towers cause health issues?

Link between Cell Towers and Cancer Elusive A quick search on cell phone towers and cancer provides many results, some state cell phone towers are dangerous because it can cause cancer, while some ...
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14 votes
Accepted

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

It's possible, but unlikely. It's possible Cakes cook from the outside in. If you are not careful you might pull out a cake cooked outside but raw inside. This happens when the oven is too hot. What ...
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  • 78k
14 votes
Accepted

Is Swype faster than typing?

There is lots of academic research on what is called shape writing or vector typing that is relevant to your question. "Shape Writing on Tablets: Better Performance or Better Experience?" used Swype ...
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  • 622
14 votes

Is the loss of (15-21) million mobile users in China in part or partly linked to cover up of COVID-19 numbers?

Wrong assumptions can lead to wrong conclusions. that probably these closed numbers belonged to the people who died That assumes that each closed number belonged to one person (or maybe two ...
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13 votes

Do cell phones relay their locations to emergency services?

This is Enhanced 911 (easier-to-understand Wikipedia article): cell-phone network operators are required to transmit the location of a cellphone with a given level of accuracy to a 911 call center. ...
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  • 2,758
13 votes
Accepted

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

Seeing this question pop up again, I want to share something. I did not write an answer before because I did not want to dig up an old question without a conclusive answer. While the claim is ...
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13 votes

Was text messaging originally developed for deaf people?

On wired commercial networks text communication predated voice communication. As such it was voice that was added later. For mobile networks text communication was added on the basis of offering all ...
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  • 9,396
13 votes

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

This question reminded me of the xkcd what-if post which mentions that "If an unused charger isn’t warm to the touch, it’s using less than a penny of electricity a day", but without references. ...
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  • 232
11 votes

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

This conspiracy theory has been widely debunked already. It is obviously false to anyone familiar with the Near Field Communication (NFC) antenna, installed on Samsung Galaxy batteries. Here are some ...
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  • 132k
11 votes

Was text messaging originally developed for deaf people?

The TED speaker was not referring to wireless communications, but rather a telecommunications system pioneered for the deaf back in the 1960's, long before cellphones. It used older-style Teletype ...
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  • 1,561
10 votes

Can cell phones be remotely converted into listening devices?

Edward Snowden seems to think so: "Mr Snowden said [UK intelligence agency] GCHQ could gain access to a handset by sending it an encrypted text message and use it for such things as taking ...
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  • 201
10 votes

Do wifi and cellphones increase the risk of miscarriage?

No, wifi and cellphone radiation have not been shown to increase the risk of miscarriage. A recent peer-reviewed publication suggests a correlation between magnetic field exposure from all sources ...
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  • 17.5k
9 votes
Accepted

Do elevators increase radiation from cell phone use?

Resonant Cavity Resonance will turn out to be one important factor that could cause increased radiation at certain spots, so let's take a minute to understand this. The same effect that we observe ...
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9 votes

Is the loss of (15-21) million mobile users in China in part or partly linked to cover up of COVID-19 numbers?

possibly attributed to cover up of deaths? No, because as the Bloomberg article you link to points out, the likely explanation is that people are canceling extra phone plans. They may no longer be ...
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  • 38.4k
7 votes

Do reverse phone lookup services work?

Some phone lookup services work pretty much well. The most evident application and service is Truecaller Just like Whatsapp and Facebook, Truecaller was part of the internet revolution. Some people ...
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  • 29.8k
6 votes

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

The basic idea of GSM is that a mobile phone scans for base stations and that are applicable and then syncs with the base station that has the strongest signal. In 2010 the relevant equipment cost 1,...
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  • 32.4k
6 votes
Accepted

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

TL;DR answer: It seems like Nokia 1100 made it easier to spoof someone's phone number, but it wasn't as easy as media presented it. You still had to copy someone's SIM card. I don't see how such a ...
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  • 1,355
5 votes
Accepted

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

Plausible Not a scientific paper, but Q&A from Health Physics Society describes experiment with disassembled CCD and CMOS sensors. [...] it is true that both the charge-coupled silicon ...
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  • 26.5k
5 votes
Accepted

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

The claim is largely supported by a 2015 report by GSMA (an international consortium of mobile operators). The report does not appear to be peer-reviewed. Bridging the gender gap: Mobile access and ...
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  • 132k
5 votes

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

Tech Digest Seems to disagree. The research also revealed that 41% of those with a broken mobile admit they have not bothered fixing it because they are still able to make and receive phone calls, ...
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  • 270
5 votes

Do mobile phones attract lightning strikes if they are not switched off?

No, mobile phones do not attract lightning strikes. NPR specifically addressed this BMJ article in Debunking the Cell Phone-Lightning Connection on August 2, 2006: You may have heard something a ...
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4 votes

Can cell phones be remotely converted into listening devices?

Yes. And not just by the police. There are existing demonstrated attacks which allow a malicious 3rd party to do so. http://www.computerworld.com/article/2472441/cybercrime-hacking/mobile-rat-attack-...
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  • 9,396
4 votes
Accepted

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

For a TLDR version, jump to the last paragraph. Since AccuBattery links to another paper than the one they actually cited, I felt like double checking if they represented the paper correctly... and ...
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  • 49.3k

Only top scored, non community-wiki answers of a minimum length are eligible