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Just because your old tablet is getting slow, or doesn’t have the high resolution screen that the new models offer, that doesn’t mean you need to toss it in the trash bin. There are plenty of things your tablet can still do for you to make life a bit easier while adding some convenience to your travels and home.

Digital Picture Frame

A decent digital picture frame can cost up to $100, with the sole purpose of showing off your family photos. Your old tablet can perform the same role for free. Get yourself an inexpensive stand at the local dollar store to prop up your tablet on a table, shelf. Type “digital photo frame” in your tablet’s app store to find dozens of free apps, several of which give you editing tools for customizing each photo. Load up your best family photos, or your favorite museum artwork, and set your old tablet on a table or desk.

Digital Clock

If you’re in need of a nice clock in your study, your old tablet may be the perfect solution. There are dozens of clock apps to choose from that offer more attractive options than the default clock app on your Android tablet or iPad. The ClockZ app, for example, lets you customize the background for portrait or landscape mode. You can even adjust the brightness options so it’s not glaring at you late at night.

Digital Typewriter

Have you been putting off composing the great American novel, or just yearn for the old days of clattering typewriter keys when you compose a letter? Just download a free typewriter app like Hanx Writer – designed by writer, actor, director and typewriter aficionado Tom Hanks himself – and start typing away. With a Bluetooth keyboard and a stand, the app feels surprisingly like the real thing and includes an authentic chugging sound when you hit the carriage return key. While this app only works on iPads, there are plenty of free typewriter apps available on Google Play, none of which require ribbon replacements.

Travel Computer

Traveling with a laptop can be problematic these days, especially if you are going abroad. Not only do you have to worry about losing your computer or having it stolen, there is nothing to stop border guards from turning it on and going through your stuff. Not only is an old tablet extremely portable, you can use it to get some work done wherever you have internet access. If you have Skype, you may even want to leave your smartphone at home too. Delete anything that’s too personal, like Facebook, or the photos you took during your last vacation, load only the essentials, and travel with less concern about protecting your stuff.laptop can be problematic these days, especially if you are going abroad. Not only do you have to worry about losing your computer or having it stolen, there is nothing to stop border guards from turning it on and going through your stuff. Not only is an old tablet extremely portable, you can use it to get some work done wherever you have internet access. If you have Skype, you may even want to leave your smartphone at home too. Delete anything that’s too personal, like Facebook, or the photos you took during your last vacation, load only the essentials, and travel with less concern about protecting your stuff.

Digital Cookbook

Butter-fingers, flour and steam are not the best ingredients to combine with a brand new tablet. But if you’re looking for a place for your old tablet, the kitchen might be ideal. Delete all of your old apps to make room in its storage and then download a recipe app or two. Many recipe apps give you the option to download favorite recipes, and even edit them to your taste, so you don’t even need Wi-Fi to use them.

Portable Photo Editor

If you have a good camera, or even if you like taking pictures with your phone, the small screens aren’t ideal for touching up photos before sharing them with family and friends. Most good cameras have a companion app that you can put on your old tablet that connects the two devices. When you take a photo, send it to your tablet, touch it up as needed and then share away. If you find the screen on your Canon camera is too small, you can even install the company’s EOS remote app that mirrors your camera’s display as you’re shooting.camera, or even if you like taking pictures with your phone, the small screens aren’t ideal for touching up photos before sharing them with family and friends. Most good cameras have a companion app that you can put on your old tablet that connects the two devices. When you take a photo, send it to your tablet, touch it up as needed and then share away. If you find the screen on your Canon camera is too small, you can even install the company’s EOS remote app that mirrors your camera’s display as you’re shooting.

Donate or Recycle

Even if you have no use for an old tablet, throwing it away should be the last thing you do. There are plenty of schools, probably within a few minutes of your home, that could use a working tablet for their students. If your tablet isn’t working at all, you should consider having it recycled rather than throwing it away. Tablets are full of rare metals and toxic chemicals that are harmful to the environment. Stores like Best Buy, Staples and Office Depot have recycling programs for any old electronics you may not need anymore. Bring your old tablet along the next time you go shopping and let them take care of it for you.

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Buying a Chromebook has always been a little confusing. At first, we had to wrap our heads around the idea that this was a laptop that just ran a browser. Then, we had to figure out how much something like that should cost. Now, we have to think about whether the addition of Android apps — which are still in beta — could take these browser-only computers and turn them into something that can truly compete with Windows and Mac computers.

So let’s simplify it: Yes, Chromebooks are still mostly “just” Chrome browsers. You can run Android apps on a select few, but it’s not a great experience yet and it’s anybody’s guess as to when that will change. But the web-based apps available for Chrome itself are often remarkably powerful, and many can work offline. So when you buy a Chromebook, you can and should just focus on the things that make using Chrome OS itself a good experience: a fast processor, a good screen, long battery life, a nice keyboard, and a reasonable price.

That last one can be particularly hard to parse, because pricing can vary from $150 or so for devices meant for the education market all the way up to northwards of $1,000 for top-of-the-line models. But at the end of the day, you should avoid spending more than five or six hundred dollars on a Chromebook, if only because you can get Windows machines that are pretty darn good at those prices.

That advice may change if and when Google releases real improvements to the Android app system on Chrome OS. Rumors are pointing to a new, top-tier Chromebook Pixel getting released in October. Even though we expect that to cost more than what most people should spend on a Chromebook, we’ll definitely update this article when we find out more information.

In the meanwhile, the best Chromebook you can buy right now is the one that does the best job showcasing what the Chrome browser and its apps can do, with a bit of support for Android apps as future proofing.

THE BEST CHROMEBOOK RIGHT NOW: ASUS CHROMEBOOK FLIP C302

The competition for the best Chromebook is a little tighter now than it used to be, thanks to excellent devices from a bunch of manufacturers like Asus, Lenovo, and Samsung. But the best of them hits all the features you should care about on a Chromebook without any major flaws.

It’s the Asus Chromebook Flip C302, which in our review we called the new “standard.” That’s because it hits those basic notes: nice hardware, a good screen, a fast Intel processor, a backlit keyboard, and good battery life. It also has support for Android apps if you need them; they were just added to the “stable” version of Chrome OS for the C302 recently.

The only real downside to the C302 is its price, which often hovers around $500 on Amazon. But the problem with buying a much cheaper Chromebook is that you’ll end up compromising on one (or several) things that will ultimately annoy you. The biggest one is performance. The C302 can handle a dozen or more tabs, while cheaper Chromebooks can bog down when you get more than eight and usually make you look at crappy screens while you wait.

The C302 is also relatively futureproof, not only because it supports Android apps but because it can also be flipped around into a tablet mode. That mode can be useful for watching video and means that as Google continues to improve Chrome OS for touch, the C302 will be able to take advantage.

If I’m honest, I prefer the hardware of Samsung’s Chromebook Pro, which is slightly better looking and comes with a stylus. However, the Chromebook Pro lacks a backlit keyboard, a mystifying omission. The C302 has a good, backlit keyboard but no stylus — which isn’t a huge loss given the state of the software for styli on Chrome OS.

IF YOU NEED ANDROID APPS: SAMSUNG CHROMEBOOK PLUS

If Android apps are essential on your Chromebook, the best way to run them is with Samsung’s Chromebook Plus. It’s an excellently built machine that’s thin and light. It uses a custom, ARM-based processor called the OP1. ARM processors are similar to what you have on your phone, so on Chromebooks they usually end up being slower and more frustrating that Intel processors.

On the Chromebook Plus, that’s not totally true. While a proper Intel processor will give you better performance using the Chrome browser, the OP1 is surprisingly fast. It performs better than any comparable ARM-based Chromebook we’ve tried, even though it’s not quite as fast as the C302.

Running an ARM processor means that most Android apps require less “translation” work to run well on Chrome OS. Games are less likely to stutter, and overall the experience is better. And though it lacks a backlit keyboard, it does come with a stylus. Even though the software for the stylus isn’t great, it is convenient to have it when you need to quickly mark up a screenshot or document.

The Chromebook Plus is a little more expensive than we’d like, at $449 retail, but if you really need Android apps, it’s your best bet.

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Apple has unveiled the iPhone 8 and 8 Plus at its annual September event today, and thankfully, the less expensive iPhones of the three announced today won’t totally break the bank. The iPhone 8 will start at $699, while the iPhone 8 Plus starts at $799. Both will have 64GB of storage. That’s a price bump of $50 for both models, up from the 32GB models of the iPhone 7 and 7 Plus, but it’s worth noting that the 7 didn’t have a 64GB option.

The iPhone 8 has a 4.7-inch Retina display, while the iPhone 8 Plus has a 5.5-inch Retina 1080p display. They will both be upgradeable to a 256GB model, which will cost $849 for the 8 and $949 for the 8 Plus. (Pricing will also vary by carrier.)

The new phones are made from glass and aluminum and are water resistant. They include improved stereo speakers with deeper bass, A11 bionic chip, Apple’s own GPU, and 12-megapixel dual cameras. Most notably, they are now capable of wireless charging, which will work with any Qi-capable charging pad.

The new phones be available in three colors — silver, space gray, and gold. Apple will open preorders on September 15th in select countries, including France, China, the US, and the UK, and the phones are expected to be in stores on September 22nd. Availability broadens by September 29th to more countries, particularly in Eastern Europe and the Middle East.

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It’s September, and that means that there are some new iPhones in town.

Specifically, there were three new phones announced today at Apple’s fall event: the high-end iPhone X, which was the star of the show with a new bezel-less design, OLED screen, and 3D face-scanning tech. There’s also the iPhone 8 and 8 Plus, the Apple Watch Series 3 (i.e., the Apple Watch Series 2 with LTE), and the Apple TV 4K (a, um, Apple TV with 4K). Oh, and everything is more powerful and faster, too.

Missed something during all the chaos? We’ve got the details below, along with full coverage of Apple’s newest iPhones and products.

THE IPHONE X IS HERE

Apple’s new flagship phone is the iPhone X (pronounced “iPhone 10”). As expected from the leaks, there’s an all-new design, featuring what Apple calls a Super Retina display. The new screen is an edge-to-edge 5.8-inch OLED panel with 2436 x 1125 and support for HDR (both Dolby Vision and HDR10).

There’s no home button, with Apple instead using a new 3D scanning system, called Face ID, that unlocks your phone display using facial recognition. There’s also a new A11 Bionic processor that’s more powerful than the previous generation chip, support for wireless charging, and a new animated emoji feature for messaging. The cameras are also upgraded, with dual 12-megapixel rear cameras with dual optical image stabilization, and an improved front camera that supported portrait mode, too. On the battery front, Apple says that the iPhone X will last up to two hours longer than the iPhone 7.

Apple also showed off a new AirPower charging mat that can charge your iPhone X, Apple Watch Series 3, and AirPods (with a new charging case) simultaneously, although the charging pad won’t be out until next year.

The iPhone X comes in two colors: space gray and silver. It’ll come in two storage configurations — 64GB for $999, and 256GB for a whopping $1,149. Preorders will start on October 27th, with shipping set to start on November 3rd.

IPHONE 8 AND 8 PLUS ARE THE IPHONE 7S IN ALL BUT NAME

Along with the iPhone X, Apple also announced the new iPhone 8 and 8 Plus. Those phones are a more pedestrian upgrade to the iPhone 7, adding a new glass back (for wireless charging), a more powerful A11 Bionic processor, improved cameras, and a True Tone display, among other smaller improvements. It’s a nice upgrade to the iPhone 7, but it kind of feels more like a 7S than a true successor like the iPhone X does.

The iPhone 8 starts at $699 for a 64GB model, while the iPhone 8 Plus will start at $799 (also for 64GB), although both phones will also have a 256GB model for $849 and $949, respectively. Preorders begin on Friday, September 15th, with the new devices set to ship September 22nd.

THE NEW APPLE WATCH HAS LTE

The Apple Watch Series 3 is the newest version of Apple’s wearable, and it’s coming with a big addition: LTE connectivity, so you don’t have to keep it connected to your phone. Apple says it’ll work with the same phone number that your iPhone has, and all that things like calls, iMessages, and music streaming will just integrate seamlessly. The design is mostly the same, with a new red dot on the digital crown visually changing things up, while the device itself is slightly thicker than the Series 2 model. The Series 3 is also even faster than before, with a new W2 chip that also improves battery life. Apple says to expect up to 18 hours with the new model.

It’ll be out September 22nd, starting at $329 for the non-cellular version, and $399 for the cellular-equipped model.

APPLE TV 4K HAS BETTER RESOLUTION AND HDR VIDEO

As the name may suggest, the Apple TV 4K is an Apple TV that adds support for 4K video. Along with the boosted resolution, the Apple TV 4K supports HDR video, too. The Apple TV 4K is compatible with both the HDR10 and Dolby Vision specifications, and will be able to play back 4K HDR content. Apple specifically called out Netflix and Amazon Prime Video (although Prime Video is still set to launch “later this year”).

To go with the new Apple TV 4K, the iTunes Store will also be selling movies and TV shows in 4K and HDR for the same price as HD content, with no charge to upgrade titles that you already own.

The Apple TV 4K will cost $179 when it ships on September 22nd.

IOS 11 AND WATCHOS RELEASE DATES

While the new hardware was certainly the focus of today’s event, we also got release date information for some of the major software updates Apple announced at WWDC earlier this year. Both iOS 11 and watchOS 4 will launch on September 19th, just in time for the iPhone 8 and Apple Watch Series 3.

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We just got a quick chance to play with the iPhone X, Apple’s new flagship phone arriving later this year.

The thing that a lot of people want to talk about with the iPhone X is its $999 starting price, but when you have the phone in your hand, it feels… worth it. The X is an extremely beautiful device, with a stainless steel band and glass back curving into a 5.8-inch OLED display that stretches all the way across the front of the phone. It’s a bigger display than the 5.5-inch Plus-size iPhones, but a much, much smaller body. Those bezels — turns out they’re huge. Happily, the X is also a little thicker and less slippery than the iPhone 7, which was basically suicidal in its ability to fly out of my hands. If anything, the X evokes the original iPhone more than anything, with that stainless steel band and black front. Compared to what Samsung is doing with curved OLED displays on Galaxy devices, it’s very different: there’s still a black border around the display. The phone feels small, but in a differnt way than, say, the S8.

Apple’s calling this a “Super Retina Display” with 1125 x 2436 pixels of resolution, making it the highest-density screen on any iPhone. It’s super sharp to look at and punchy and vibrant as you’d expect from an OLED screen. It has all of Apple’s signature tech, too, including 3D Touch and TrueTone automatic calibration. I’ve generally preferred LCDs to OLEDs, but the X OLED display doesn’t seem to share any of the extreme oversaturation or pixel matrix weirdness of other OLEDs I’ve seen.

THE SCREEN IS THE STAR OF THE SHOW, AND FACEID ACTUALLY WORKS

The screen dictates everything about the iPhone X’s design, including its lack of a home button. This will probably be one of the most controversial things about the phone among iPhone users, but Apple has done a lot of work to make iOS feel natural without a home button. I couldn’t test out the new FaceID authentication myself without setting it up, but it was configured for one of Apple’s demo assistants, and it worked every time he showed it off, even under the frenetic conditions and bright lights of the demo area.

FaceID works because of the TrueDepth camera system that’s tucked into the display notch at the top of the phone — there’s a lot of sensors packed in there, including a IR depth camera and a projector that throws 30,000 infrared dots on your face. The systems reads the map, matches it against the stored image on the phone using a neural network processor built into the phone, and unlocks the phone. Apple says it won’t work if you’re not paying attention, and sure enough, the phone wouldn’t unlock when the demo assistant had his eyes close. When he opened his eyes, the phone quickly unlocked. It was pretty impressive.

Apple says the system learns your face, even if you’re wearing glasses, a hat, or change your hairstyle. And importantly, it says the system can’t be fooled by a photograph of you. Overall it’s all much better than the face-unlock systems we’ve seen on other smartphones, but we’ll have to really test it out in harsher conditions. And try to fool it, of course.

The lack of a home button does lead to some new interface patterns you’ll have to learn, though. You wake up the screen with just a tap — or better, by picking it up, which turns on the screen automatically. That makes sense, but my muscle memory got in the way of the new vertical gestures several times: where swiping up used to open Control Center, it’s now how you multitask: you swipe up to go home, and swipe up and hold to enter the app switcher. Control Center is now a swipe down from the right top edge, and the notifications shade is a swipe down from the top left.

Apple Pay is now different as well: instead of pointing your phone at the card reader and using Touch ID, you first double-click the (larger) side button, authenticate with your face, and point the phone at the reader. It’s a little less smooth than just grabbing your phone and pointing it to pay, but it’s not terrible either.

All these new gestures definitely feel a little messy — especially that swipe-and-hold move, which took me a few tries to get right. But I suspect it’ll be a quick adjustment once we have the phone for real.

THE FRONT CAMERA IS MORE IMPORTANT THAN THE REAR ONE

That front camera system powers a whole bunch of stuff, including new animated emoji that react to your face and some extremely impressive new filters in Snapchat. Portrait Mode is now also available on the front camera, as is Apple’s new Portrait Lighting effect. We’ve reached the point where the front camera on the iPhone is now more important and interesting than the rear one.

The rear camera on the iPhone X hasn’t been ignored, though, and it’s largely the same as the new dual-camera iPhone 8 Plus. It’s dual lens, but with a brighter f/2.4 telephoto lens that has OIS just like the f/1.4 wide angle camera.

The back of the phone is less unique than the front. It’s the same glass and metal sandwich as the iPhone 8, with dust and water resistance and wireless charging based on the Qi standard. Apple’s selling Mophie and Belkin Qi charging pads in its stores, but next year it’s putting out a new charging pad called the AirPower that can charge an iPhone, AirPods, and an Apple Watch all at once, with power information sent to the iPhone display. (Apple also says its working with Qi to make all of that part of the standard, but we’ll see how that goes.)

Apple says the iPhone X lasts two hours longer than the iPhone 7 between charges, and of course claims its A11 Bionic chip with two high-performance cores and four high-efficiency cores is faster than ever. But we’ll have to wait until we’re able to review it to put those claims to the test.

Oh, and there’s no headphone jack, which is uniformly annoying on every new phone that omits it. But Apple’s all about wireless now, so make sure you save up for AirPods or Beats X or some other wireless headphones as well.

The iPhone X doesn’t arrive until November, and based on what we’ve seen in our brief impressions, it’s going to be quite popular when it does. Even if it does start at a thousand dollars.

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We live in a world where smartphones are ubiquitous, tablets are commonplace, and even smartwatches are a thing that people talk about on the regular. But throughout all of these advances, the humble laptop has persevered, and for good reason. When it comes time to actually get something done, whether that’s editing photos, writing a lot of emails, composing documents, or staying in touch with colleagues and family, the laptop is often the ideal device for the job.

That isn’t to say there haven’t been advancements in the world of laptops or notebook computers. We don’t have to deal with inch-plus-thick clunkers that weighed upwards of seven pounds and lasted less than two hours away from an outlet. The modern laptop is lightweight, sleek, efficient, easily portable, and powerful enough to get most any computing task done.

It’s getting harder to buy a truly bad laptop, but what separates a good laptop from a great one is how it balances power, efficiency, portability, and comfort. It should have a fantastic keyboard and trackpad — after all, those are the two biggest reasons you’d choose a laptop over a smartphone or tablet. Its display should be easy on the eyes, bright, and sharp enough that you aren’t distracted by jagged edges and visible pixels. It should be powerful enough for almost anything short of intensive video editing and advanced gaming. It should be easy to carry around from place to place, and it should be able to last all day without needing to be plugged in.

Naming “the best laptop” is a little different than naming the best phone or tablet. People’s needs for their laptop can vary widely. Some people need to do intense video editing and should pony up for a pro machine. Others just need a reliable keyboard and a few windows, so something less powerful will do. Some might want a super light laptop that can sometimes double as a tablet. Here, we’re talking about the best all-around product: a traditional laptop that will work well at most things for most people, and even stretch to handle more intensive tasks on occasion.

There are a lot of laptops that have some of those qualities, but if you’re looking for a laptop that hits enough of those marks, the obvious choice turns out to be the right one.

This article will be continually updated as new laptops are released and reviewed, so be sure to check back if you’re not in the market right now.

THE BEST LAPTOP RIGHT NOW: MICROSOFT SURFACE LAPTOP

Microsoft’s new Surface Laptop is the best laptop for most people because it blends power, portability, and battery life better than any other computer. It has a great keyboard and trackpad; a beautiful, high-resolution touchscreen; and comes in four different colors. It uses Intel’s latest processors and can be specced out with up to 16GB of RAM and 1TB of storage.

The Surface Laptop isn’t cheap — the model most people should get runs for $1,299 — but it feels like a premium computer should, and if you spend most of your day working on a computer, you should spend a little more to get a good one.

The one big drawback to the Surface Laptop is it comes with Windows 10S, Microsoft’s limited version of Windows that only allows apps from the Windows Store to be installed. You can easily upgrade the Surface Laptop to Windows 10 Pro, however, and then you can run any Windows app you can find. That upgrade is free through at least the end of the year. Microsoft says it will charge $50 for it at some point in the future, but has not specified exactly when.

THE MAC OPTION: APPLE MACBOOK PRO

If you don’t like the Surface Laptop’s fun colors or the fact that it runs Windows, the best laptop for you is Apple’s MacBook Pro. The MacBook Pro has a compact and light design, premium build quality, and the largest trackpad we’ve ever seen on a laptop.

The MacBook Pro comes in a variety of flavors, but most people should go with the 13-inch model that starts at $1,299. It has a standard keyboard and lacks the controversial Touch Bar found on the more expensive versions, but we don’t think that’s a big loss, as the Touch Bar hasn’t yet proven its worth. The one thing that the higher-end MacBook Pros offer is more USB ports. The entry-level version only comes with two USB Type-C ports, which means plugging in accessories will likely require an adapter or two, so be prepared to spend money on at least one dongle.

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Have you ever been curious and tried to check features in the settings section? Or looked for secret codes and buttons?

Here are some tricks that can change the way you use your iPhone.

Easily Change your PIN

**04*Old PIN Code*New PIN Code*New PIN Code# The short code that allows you to quickly change your PIN. Just type it on your phone and press the call key. For Old PIN Code enter your current PIN code and for New PIN Code enter the new PIN code you want to have. Remember it has to be a four-digit PIN code.

Shake, shake, shake!

Your iPhone, to Undo Typing.

Save your battery.

Most of us know that if you put your phone on airplane mode it charges faster, but did you know that you can save battery by using Grayscale mode? Open Settings>General>Accessibility, and turn Grayscale on. Don’t forget to disable connections, and to lower brightness!

Ask Siri to do something for you!

Tell Siri to “Read your email” and she will. Or ask her “What flights are overhead?” to see what planes are above you.

Secret buttons for taking photos!

Use the shutter button to automatically activate burst mode. And the volume buttons, or your headphones, to take photos.

Reveal Timestamp.

Simply slide the text bubbles to the left on the screen of the message.

Apps

Speaking of apps, you can easily search for one you already have on your phone by swiping down anywhere on the home screen, and type its name. Plug your app holes: Settings>General>Reset>Reset Home Screen Layout.  That will make the gaps disappear, and arrange your apps in alphabetical order.  Avoid doing it if you want to keep your folders!

Hide history

Want to keep your browsing history private? Just go to Settings>Safari>Private Browsing.

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The world is very familiar with WiFi technology, but how acquainted are you with the term LiFi’. While WiFi is a technology which is local-area wireless network-based internet service, LiFi is fully-connected as well as a bidirectional wireless communication technology that is very similar to WiFi in functionality and in many other ways.

What is LiFi?

Li-Fi is a wireless-optical networking technology that makes use of light emitting diodes (LEDs) to transmit data. Li-Fi is built to use LEDs bulbs that are similar to those presently being used by many energy-conscious offices and offices. However, Li-Fi bulbs are fitted with chips that imperceptibly modulate the light for optical transmission of data. Just like you can flash a torch Morse code to send a message, LiFi sends binary flashes of light to transmit data. To the naked eye it looks just like a regular bulb, but in reality it is flashing thousands of times per second.

The early developmental models of Li-Fi were capable of 150-megabits per second (Mbps). Today, some commercial kits that still enable that speed are already available in the market. With different technology and stronger LEDs in the lab, researchers have enabled 10-gigabits per second (Gbps) that is quicker than 801.11ad. Imagine just turning on your lights and downloading a movie in a second.

Why is LiFi faster than WiFi?

Based on the pure frequency of the transmission, light waves are 10,000 times more denser than WiFi signals so the potential to pack more in the same space is huge.

Some of the best Li-Fi benefits include:

• Higher speeds than WiFi
• 10000-times the frequency radio spectrum
• More secure as data can’t be altered or accessed without a vivid and clear sight line
• Prevents piggy-backing
• Eliminates neighboring network interference
• Unimpeded by radio interference.
• Doesn’t create any interference in very sensitive electronics, thus making it ideal for use in environments such as aircraft and hospitals.

Some of the disadvantages of LiFi

• You need to keep the lights on, alright for the office but not so practical or eco friendly for home use.
• You need a receiver box or device with LiFi already installed.

Remind me, what is Wi-Fi?

WiFi works without any physical wired connection between the receiver and sender by making use of radio frequency technology – a frequency associated with radio-wave propagation and within the electromagnetic spectrum. When a radio frequency current is supplied to antennas, electromagnetic fields are created thus being able to spread through space.

The keystone of any wireless networks is an access point. The main job of access points is to propagate wireless signals that computers can sense and tune’ into. In order to connect with access points and join wireless networks, devices and computers must be outfitted with a wireless network adapter.

Some major benefits of WiFi technology are:

• Currently More Cost Effective.
• Already supported by devices.
• Well known and understood by the public.
• Eliminates wiring and cabling for PC’s.

Why make the change?

When we begin considering smart home and the internet of things LiFi has a huge advantage that there will be no interference from other neighbors or nearby devices. Currently the drawback is lack of exposure and supported hardware as it seems a step back to have to connect your computer back to a LiFi receiver. For most of us regular WiFi is not the bottleneck the actual internet speed is, so a faster connection internally will have little effect of the actual speed.

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Qi – the Chinese term for ‘energy flow’, pronounced as ‘chee’ in ‘cheese’ is the widespread standard for wireless charging of the battery operated gadgets such as mobile phones, iPods, Mp3’s and cameras. With this particular technology the electromagnetic coils that send out and receive the charge are specifically safeguarded to lessen electromagnetic rays.

Electromagnetic Induction – Basic Principle of Qi Wireless Charging

The wireless power transfer happens via electromagnetic induction. With the inductive charging the necessary power gets to the device not through the conventional cable but instead wirelessly with the use of electromagnetic fields.

Wireless Charging is not a real brand-new technology. Electric tooth brushes have used the concepts of inductive charging for several years. Qi Wireless Charging runs on the resonant inductive combining between sender i.e., the charging station and the recipient i.e., the mobile device. A normal test “ping” signal is sent by the charger to check  for devices and a ping is sent back, informing the Qi enabled charger platform that a Qi appropriate cell phone exists. The charger inspects the phone to see if it is compatible to the Qi standard. As soon as Qi compatibility and the power speed is determined, the induction charging starts. While charging the charger and phone stay in contact and will automatically go into standby mode as soon as the battery is completely charged.

Advantages of Qi Wireless Charging

The most significant benefit of Qi Wireless Charging technology is that cellular phones and battery chargers from various manufactures are suitable. The solely requirement is which both the parts – the sender and the receiver – complete the Qi requirements. Hence, each Qi enabled gadgets are suitable with every single Qi charging transmitter, irrespective of the producer or make of the device. The amount of enabled devices is continuously increasing as Qi wireless charging technologies are incorporated by an ever growing list of makers. This enables us to charge the numerous battery operated electronic digital devices with merely a single charging station.

Qi chargers are also energy efficient and only trigger and exchange energy when an enabled device requesting charging is positioned near the charger.

Is my phone compatible?

There is a growing number of phone available that support Qi, the latest Samsung and Xiaomi phones have this built in. There is an official list of Qi enabled phones.; if you do not have one of the phones listed you might be able to add the function, there are universal Qi charging modules that can be installed behind the battery, some Samsung phones have their own easy to install charger and iPhone 6 can enable the function with a charger case.

What charger can i use?

Any Qi labeled charger is compatible with all Qi devices so there is no hassle with compatibility. When it come so chargers there is an increasing number of styles.

Dedicated charger: A Qi charger pad or platform that you can place the phone on, there are many of these available and come in a wide variety of styles.

Embedded Qi Charger: A charger integrated into another appliance such as your desk lamp. Qi embedded chargers are still rare but gaining traction.

DIY Integration: If you are technical minded you can grab a Qi charger coil and install it into your desk, table or even inside another appliance. For example you can hollow out a section underneath your desk and install the charger. Then when your phone is in the right place on the desk it will charge. From the top the desk looks normal, but underneath is the charger.

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