You know when smartphones first appeared they were really bulky and expensive these early phones consumed lots of power so they needed really big batteries to run plus electronics components were also pretty large in those days besides their brick-like bodies they also had long external antennas to reach the cell network but as time passed electronic parts became smaller and battery capacity increased enormously internal antennas appeared and phones became thin and light as theoverall technology improved a three and a half inch screen seemed okay to most people who and we thought it would stay that size forever but now a days it's hard to find a smartphone that hasa screen smaller than five and a half inches modern smartphones just keep getting bigger so why are we now using smartphones that resemble tablets if we already know the ways to make them smaller well one reason is the camera today smartphones are able to film professional looking movies thanks to their high resolution cameras to get this picture quality you need bigger sensors the number of cameras in a device also affects the size of the smartphone because multiple cameras require more powerful processors and consume more energy on the subject of processors modern smartphones are over a million times more powerful than the guidance computers used to send astronauts to the moon in 1969 processors create a lot of heat when they work since a cooling fan won't fitinside a smartphone manufacturers make their devices bigger this helps to get rid of the heat faster in powerful modern phones the heat problem is also one of the reasons why metal is often used instead of plastic to make those smartphones high resolution videos games virtual reality and many other features of today's smartphones need a fast internet connection to achieve this manufacturers add more powerful antennas to their phones which also makes them bigger now you might think that your smartphone adds a lot to your electricity bill because you have to charge it every night but relax your smartphone actually consumes asmall amount of power it costs under a dollar a year to charge your phone every day your smartphone has a hidden FM radio inside it but it's switched off when you buy in manufacturers don't activate smartphone radios because demand for this feature is too low but you can unlock the fm tuner all by yourself all you need is a special app and a pairof wired headphones to service the antenna cool there's a secret way to increase the life span of your smartphone battery just avoid fully discharging or charging your device you should connect your phonewhen you had thirty to forty percent power and unplug it at about eighty to ninety percent don't go all the way to one hundred this is better for the battery the first man in history to make a phone call using a cell phone was Martin Cooper a motorola engineer 1973 he presented the device at a press conference in new york to prove to the public that it really worked Cooper made a call there and then he had a good sense of humor so he called one of his biggest rivals engineer Joel Ingle and the first words ever spoken using a cellphone were
"Joel this is Marty i'm calling you from a cell phone a real hand held portable cell phone ninanina ninerno" actually i just added that, do you get stressed without your phone or when you've run out of battery you might have nomophobia which means nomobile phone phobia people with nomophobia are afraid of going anywhere without their cell phones don't worry there's treatment for that modern phones can cost quite a lot sometimes even more than a laptop but this phone is unbelievably expensive with the price of more than 40 million dollars the falcon supernova iphone comes with a case made of gold and a diamond on its back does the name Bluetooth sound strange to you the name comes from the Danish and Norwegian King Harold Blotton wrongly translated into English as Harold Bluetooth and no he didn't have blue teeth he was known for his success in unifying several nordic tribes under his rule the inventor thought it was a good name for a technology that unifies different gadgets now there's a cell phone actually orbiting the earth several years ago some british researchers decided to test phone technology against the harsh conditions of outerspace they launched a Google Nexus phone on a rocket and it's still out there somewhere. Every smartphone today is equipped with a selfie camera but what if you want to take a selfie with a whole group of friends and your hands just aren't long enough to fit everyone into the picture don't worry if you still have wired headphones you can snap a photo simply by pressing the volume button. The cameras on our smartphones don't just film and take photos in visible light they're actually so sensitive that they can see infrared, you can try this at home grab your tv remote point the camera at it and press any button, your eyes won't see anything but your phone screen will reveal a blinking light. We all know that smartphones can read QR codes but they can also read bar codes with a special app so if you're at the store and can't find the price on something try your smartphone use this trick if you want to turn your smartphone into a microscope if you attach the lens from a laser pointer to the camera of your phone you'll be able to see images that are magnified 100 times you can also record them to get high-resolution pictures to show that there are around 17000 bacteria on our phone that's 10 times more than on most toilet seats so think twice before you use it at the dinner table. Ninety per cent of all phones in Japan are waterproof Japanese users even take their gadgets into the shower, the first waterproof phone was released in 2005 and since then more manufacturers have adapted their devices to suit this unusual habit. In china more people now use the internet through their cell phones or tablets than through PCs because smartphones are usually cheaper and can perform the same task as a computer it's often more practical to use a mobile device. There are so many useful tips out there today that make our lives easier about half of all of our time on digital media is spent using them but studies show that we very rarely try out new apps the majority of users in the US download zero apps per month, the GPS service on your phone doesn't need an internet connection nor a data plan to operate. The system is made up of 24 satellites orbiting the earth every 12 hours our phones can receive a GPS signal at almost any point on the planet for free the first person to predict the use of cell phones was the inventor and engineer Nikola Tesla way back in 1909 in a column in the New York times he wrote that people would one day carry an inexpensive instrument to hear and speak from anywhere on sea and land. There's more gold inside a ton of cell phones than in a ton of gold ore so recycling old phones doesn't just help the environment it can also make us rich hey all good stuff.
