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How To: Get a Feature-Packed, iPhone-Like Lock Screen for Your Galaxy S6 or Other Android Device

With an Android device, you can replace almost any default app with a third-party offering. Don't like your home screen app? Replace it. Tired of the text messaging interface? Upgrade it. The same can be said for Android's lock screen. But while many third-party lock screen apps are available, so far, only one has been designed with the Samsung Galaxy S6 and its fingerprint scanner in mind.

How To: Theme TouchWiz on Your Samsung Galaxy S5

If you've ever noticed that the stock launcher on an Android device seems to just feel faster than any third-party home screen replacement app, this is not a placebo effect. Most manufacturers, Samsung included, force their stock launchers to reside permanently in your phone's memory, thus reducing the risk of redraws.

How To: Truth or Dare + Spin the Bottle: Play These Classic Party Games Right on Your Android Phone

Classic party games like Spin the Bottle and Truth or Dare, immensely popular in the '80s and '90s, seem to have been long forgotten and abandoned by today's youth. Today, new forms of party games are all the rage, a prime example being Cards Against Humanity. Yes, CAH is hilarious and fun, but the classics can still be appreciated, as long as we catch them up to the times.

Day of the Dead: DIY Sugar Skull Halloween Look with Rick Baker, Horror Makeup FX Master

Day of the Dead, or Día de Muertos, is a Mexican holiday celebrated on November 1 or 2 each year to honor the dead. It's often lumped in with Halloween, and while some people do dress up in costumes, the day is much more focused on remembering the lives of friends and family members who have passed. People who are unfamiliar with the holiday sometimes consider one of its most pervasive symbols, the sugar skull, rather morbid. And special makeup effects artist Rick Baker is no stranger to the ...

How To: Make Your Own Auntie Anne's Pretzels at Home

As a kid, I remember begging my mother almost every single time we went to the mall to buy me a pretzel from Auntie Anne's. Now, whenever I pass one of those little blue and white stands, that delicious, buttery smell instantly takes me back to being an impatient four-year-old who wants a pretzel right now. The only bad thing about Auntie Anne's is that you usually have to deal with annoying places like malls and airports to find one. Wouldn't it be nice if you could just whip some up at home...

How To: Build a Long Range Laser Spy System for Eavesdropping on Your Neighbors

Eavesdropping from a distance can be tricky because it usually requires some sort of bug or transmitter. It's easy to transmit audio through lasers, but you can also use lasers to build a microphone that picks up audio from a distance. LucidScience built the Laser Spy System for about $20. To make your own, you'll need a cheap laser pointer, an NPN phototransistor, a headphone amp, and a few other small pieces listed below. A light-to-sound circuit is installed in a small plastic box with the...

How To: Make Your Favorite Song Last Forever with Infinite Jukebox

The first album I ever bought with my own money was Nirvana's MTV Unplugged in New York. It featured mainly lesser-known songs and covers, but was on constant repeat on my Walkman. While the whole album was fantastic, there was one song that stood out the most to me—"The Man Who Sold The World." The song (originally written by David Bowie) kept me under a spell, which had me replaying the song over and over and over and over. As I got older, I found myself sharing this relationship with a han...

How To: Know Exactly When You Can Spot the International Space Station at Home with NASA Text Alerts

The International Space Station is one of the brightest objects in the night sky when it can be seen. If you know when and where to look, you can even see it from your house. It looks more or less like a really fast-moving plane—so fast, actually, that it's only visible from a specific place for a few minutes at a time. But now you don't have to do a ton of mathematical equations or rely solely on luck to spot the ISS at night. NASA just launched a program called Spot the Station that sends y...

How To: Build a Cheap Arduino Tachometer to Measure the RPMs of Spinning Fans (And More)

A tachometer, or RPM counter, is a device that measures the speed of something that's rotating. In a car with a manual transmission, the tachometer can be helpful in determining when to release the clutch and how much gas to give when you're taking off. This DIY Arduino Tachometer by Chris on PyroElectro uses an infrared transmitter and receiver break-beam pair to measure the RPM of a computer fan. When the fan blade passes between the transmitter and receiver, the IR beam counts the interrup...

How To: This DIY Steampunk Toothbrush Timer Tells You When You're Done Brushing Your Teeth

If you're a steampunk enthusiast looking to give your bathroom an extra kick, this just might be the project for you. This stylish and functional "vintage" toothbrush timer knows when you've grabbed your toothbrush, and will visually count down two minutes before alerting you when you've brushed long enough. All you'll need to put one together yourself is a microcontroller (the designer used a ATmega328p), a weight sensor, light bulbs, brass cups and a tray, an alarm clock's chime, and some w...

How To: Solder copper pipes

An inadequate soldering job, assuming it passes inspection, can cause leaks, corrosion and call-backs. But a quality soldering job done on copper piping can last a lifetime. For a look at professional soldering techniques for the plumbing craftsman, take a look at this two-part video tutorial series.

How To: Look like a Rubik's Cube master

This video tutorial shows how to pass yourself off as a Rubik's Cube master, without even being able to solve one. Start off with a solved Rubik's Cube, and learn these tricks and start fooling friends. Watch this video puzzle tutorial and learn how to do a few moves with a Rubiks Cube.

How To: Use Acrobat 8 Preflighting and Fixups

In previous versions of Acrobat you could run PDFs against the Preflight tool and it would either pass or fail. If it failed you would then have to manually resolve the problems in the PDF or by generating a new PDF. In Acrobat 8 Professional you can now apply "Fix-ups" to correct the most common problems encountered in working with PDFs for print.

How To: Use the keyless entry number pad on a 2010 Lincoln MKS

Imagine, never needing to unlock your car door with a key. Actually, it's been around for a while, and it's called keyless remote entry, but on the 2010 Lincoln MKS, it's not remote… it's built directly into the side of the car door. It's a number pad with a programmable security code. This video will show you how to unlock your vehicle without even reaching into your pocket! If you have a MKS.