13 Surprising Facts About The Phone You’re Probably Reading This On

Your phone almost certainly has an FM radio built into it, but you’d be easily forgiven if you had no idea about that. Here’s the full story, plus 12 others:

13

Frequently recharging your phone battery once it's empty damages it a little. Thanks to the way lithium-ion batteries are designed, keeping one over 50% capacity really helps to keep it in good shape. NOW YOU KNOW

Source: Gizmodo

12

A phone contains a greater percentage of gold than gold ore does. BLAINEK pLtr COlad FINE PoS JoDDy One ton of gold-rich ore deposit yields about 1 or 2 grams of gold, but one ton of used phones (with the batteries taken out) yields 300 grams of gold. NOW YOU

Source: BBC

11

Smartphone accelerometers could be used for spying. They're SO accurate that, if you keep your phone next to your laptop while typing, they can tell what keys you're hitting (they determine distance from the intensity of different keystrokes), so they could transmit what you're typing. NOW YOU KNOW CRACKED.COM

Source: PopSci

10

Smartphone swiping works because your finger is mostly water. The electric charges in that water trigger a change in the electric fields just beneath the phone's screen - that's why similar, water-filled items (like bananas) can also be used for swiping, but most inanimate objects can't. NOW YOU KNOW

Source: abc.net.au

9

Smartphones can change your brain chemistry. Firi A 2017 study found that the ratio of two key neurotransmitters rose in the brains of young people addicted to smartphones and the internet. NOW YOU KNOW

Source: ScienceDaily

8

Charging your phone costs about $1 a year. 27% #TCgedt That (or rather, $0.91) was the total yearly bill for charging an iphone 6 Plus in 2018. NOW YOU KNOW CRACKED.COM

Source: ZDNet

7

Smartphones can get sniffed out by dogs. The circuit boards in their microsd cards (and in all other storage devices) use a chemical called triphenylphosphine oxide (TPPO). Dogs can be trained to sniff TPPO, and police are already using them for that. NOW YOU KNOW

Source: TechRepublic

6

The background noise on a phone line is put there on purpose. It's called comfort noise, and it's there so that you know for sure the line hasn't gone dead. NOW YOU KNOW CRACKED COM

Source: NetworkWorld

5

Constantly getting interrupted by your smartphone messes with your concentration on a neurological level. Getting interrupted and then having to switch focus back lowers your efficiency by about 40%, scientists estimate. NOW YOU KNOW

Source: CBS

4

Area codes were determined based on how hard they were to dial. DEF ABC 3 2 T o O TUv 9 wXY They were created back in the days of rotary phones, when you had to physically dial every number, and larger numbers took longer to dial - SO big cities

Source: 99PercentInvisible

3

They added the kand # buttons to phones pretty much just because they could. x Early touch phones could make twelve sounds from a combination of seven tones, but only 10 sounds (one for each number) were needed for dialling. AT&T added the buttons for the 11th and 12th sounds,

Source: SolidSignal

2

Your phone signal really does get worse in bad weather. Water vapor in the air absorbs and reflects energy from radio waves and converts it into heat, SO when there's plenty of vapor (say, when it's snowing or raining), it takes longer for the signal to get from your phone

Source: Wilson Amplifiers

1

Pretty much every smartphone on the market has an FM radio, but it's deactivated. Manufacturers leave it off by default, saying there's basically no demand since people are mostly using streaming mobile apps. NOW YOU KNOW