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If you used Touch ID on an iPhone before, all you had to do to install apps and games from the App Store was rest your fingertip on the Home button. On the iPhone X, there's Face ID instead, and Apple has included on-screen instructions to help everyone adjust to the lack of H ...more

If maintaining privacy is an ongoing battle, the front line is your smartphone. Apple included several new security features in iOS 10, but at the same time, some of the best new functionality comes with potential privacy trade-offs that everyone needs to understand. New feat ...more

LG's new KnockOn feature for the G2 wakes the phone up just by tapping on the screen twice, in lieu of using the power/lock button. This is something that would be equally as helpful on the HTC One, as it's sometimes a pain to use the power button, especially if it's worn out ...more

In photography, creating a double or multiple exposure photo involves combining two different images to make one single image. This technique has been used in film photography by exposing a piece of film twice to two different images. The second image becomes superimposed onto ...more

By default, most Android phones will instantly lock once you turn the screen off with the power button. Doing so is a surefire way to secure your device when you walk away, but what if there was another way to accomplish this even faster? If you're using the OnePlus Launcher o ...more

It happens to almost everyone. You wake up one morning, check your phone, and realize your alarm never went off. Now you're late to start the day, and you spend every night onward paranoid it'll happen again. But if you have an iPhone, there are two things you can check to mak ...more

With the Power key located on the back of the device, LG included a convenient "double-tap to sleep" function in their G2 and G3 devices. The function allows users to simply double-tap the display to put their device to sleep instead of picking it up and pressing the Power key ...more

Accessing your recent contacts just became a hell of a lot quicker with iOS 8. In addition to accessing recent apps, double-pressing your Home button now shows off recent contacts at the top of your screen. Video: . Your most recent contact, whether by call or message, will be ...more

Every year, some overly ambitious neighbor down the street amazes the crowds with his DIY illusion costume. While these costumes certainly require more work than pulling a mask over your head, they do have that wow factor that others lack. These costumes illicit lots of doubl ...more

There are plenty of ways to take double exposure photos, even if all you have is your cell phone. If you have access to a darkroom (or Photoshop), you can do it by stacking negatives. But if you have the right kind of DSLR, you can do it right from your camera by using the mul ...more

With the new version of Android due out very soon, Android 5.0 "Lollipop" has received a ton of press lately. It's all well-deserved, of course, because the new "Material Design" interface is absolutely beautiful. While we've covered methods on how to get a little bit of that ...more

During initial reviews of the Nexus 6, the "double tap to wake" feature was something originally slated to be present on the device, since Motorola built it and it's been a key feature of the Moto X. However, the feature was scrapped for Ambient Display, which wakes up the scr ...more

Apple has seemingly always made it a priority to show how much it cares about user security and privacy — enough that it has a page dedicated to it, proclaiming that "privacy is a fundamental human right." It's true that there are few issues more important than user privacy wh ...more

The "Knock Knock" features on LG's G2 phone have proven popular and useful enough to spawn various apps and mods cloning these abilities for other devices. Porting the "Knock On" feature to our Samsung Galaxy S3 isn't as easily doable, since developers would need to create a m ...more

When it comes to melee combat, two swords can definitely be better than one. Throw a stun gun on top of that and you've got a seriously terrifying weapon. That's exactly what YouTuber jonathanj9969 did with his homemade double-bladed stun sword. Video: . The stun sword is basi ...more

How to make a Macrame Double Wave Bracelet with beads. Video: .

While walk-in closets are nice, not many of us actually have one. Instead, we're stuck with tiny wall closets or those oddly-shaped spears. Add a roommate or girlfriend and you have yourself a classic dilemma—"Where in the French toast do I put all my damn clothes?" No matter ...more

Among the younger generation, Roblox rivals major titles like Minecraft as one of the most popular online games out there. In fact, it's common to hear children tell new playmates to "friend me in Roblox!" so they can play together online. There's nothing inherently sinister h ...more

Smartphones are more like computers than actual telephones. Unfortunately, thieves, hackers, and other bad actors know this and are always looking to make money off your personal data. Thankfully, your Galaxy S20, S20+, or S20 Ultra has tools to combat these threats — as long ...more

When Apple removed the Home button from iPhone, it introduced a new way to install apps that caused confusion over what to "double click." Like most iOS changes, it didn't take long to get used to double-clicking the Side button. But for some, performing a double-click on the ...more

One of the most highly-cited drawbacks to the HoloLens is its limited field of view (FOV), but now it appears that Microsoft has solved that problem. Based on patents filed in April with the World Intellectual Property Organization and discovered via MSPoweruser, the method i ...more

To make things a little more fun here on Scrabble World, I've decided to start a weekly feature for word freaks to ponder about it... a challenge. No, I'm not 'challenging' any of your words... I'm challenging your brains. See if you can figure some of these Scrabble puzzles o ...more

I like to use a row counter as it saves me the trouble of counting rows when increasing, decreasing, or working a cable pattern. All I have is a small needle mounted counter that is hard to keep track of when it is not mounted on a knitting needle. When knitting on circular or ...more

If it has an internet connection, it's got a huge attack surface for hackers. But what makes your phone even more dangerous is its portability and the collection of sensors it houses that can be just as good at tracking you as the camera and mic. That is why one of the first ...more

Aside from the occasional "creative" collage, most of your friends on social media are content with pretty basic image and video posts. You can easily one-up them with celebrity cameos or awesome time-lapse videos, but to truly outshine them, try your hands at some creative do ...more

Using an analog camera to create multiple exposures is a technique that has long been in practice throughout the history of photography. Pressing the shutter button twice will superimpose the exposure of two different images onto the same piece of film. Sometimes done in an ar ...more

Homopolar motors tend to be typecast as simplistic in nature, and that's true for the most part. The bare minimum requirements are a battery, conductor, and magnetic field, but when it comes to Valentine's Day, they're nothing short of complex. At least, when it comes to the ...more

Anyone who likes shooters is going to hate me for saying this: the best game of the 2000's for me was Psychonauts by Double Fine Studios. It came out in 2005 for the original Xbox, achieving critical acclaim, but never selling very well due to its sheer kookiness and poor mark ...more

There's nothing in this life that we love more than making one ingredient or one food tool do multiple things. It saves money! It saves time! It makes us look smart at cocktail parties! Without further ado, here are several ways to save money, waste less food, and make the mo ...more

Ever since developer bponury created his TouchControl app for the Galaxy Nexus back in 2011, manufacturers and modders alike have been racing to re-implement the "Double-tap-to-wake" functionality it brought to the table. We've seen LG do it with their "Knock On" feature, we'v ...more

AirPods are not only a great way to listen to audio on your iPhone, but they're also a great way to activate Siri and control your music using simple gestures. If the default actions aren't quite what you're looking for, you can easily change them, and each AirPod can perform ...more

Several popular custom ROMs and root mods let you double tap the status bar at the top of your screen to put the phone to sleep. It pairs perfectly with the double tap to wake gesture you'll find on pretty much any Android phone. But if you're not rooted, you'll be glad to kno ...more