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News: Everything You Need to Know About the New Samsung Galaxy S5

The Samsung Galaxy S5 was just officially announced at Mobile World Congress. The new flagship device will be available worldwide beginning April 11, 2014, including all major U.S. and international carriers. With over 200 million Galaxy devices sold to date, the S5 doesn't stray too far from the trend, at least not aesthetically. We've still got a high-grade plastic shell with perforated back covers, and four color choices at launch. Our highlights of the release event are as follows.

How To: Make a Powerful PVC Air Cannon with Coaxial Piston Valve

The video featured in this article demonstrates the function and design of a powerful form of air cannon that operates using a purpose made valve that opens very rapidly. This allows for a massive amount of pressurized air to be released at once to throw a projectile many hundreds of yards. The design of the cannon also allows the barrel and the air chamber to occupy the same space, and so it is very compact and manageable which makes for an enjoyable shooting experience.

How To: Find a data point (Xi) with the Z-Score formula

In this free video math tutorial, we learn how to use the Z-Score formula to find a data point (Xi) in statistics. With mathematics, as with anything else, not everyone progresses at the same rate. Stats is no exception. Happily, in the age of Internet video tutorials, this isn't a problem. Those who progress quickly can go beyond what's being taught them and those who are struggling likewise have all the time in the world to catch up. Whether you need help finishing your homework or studying...

How To: Get widescreen videos on YouTube

In this Computers & Programming video tutorial you will learn how to get widescreen videos on YouTube from normal videos. This can be done in Sony Vegas Movie Studio. Go to project > properties > video. Here you set the template width to 640, height 360, frame rate 30, field order as none, pixel aspect ratio to square, full resolution rendering quality to good and deinterlace method to blend fields. Next you save this template for future use and click apply. One of the quickest ways of conver...

How To: Do a grass silhouette effect in GIMP

In this video, we learn how to do a grass silhouette effect in GIMP. First, draw a black mound and then close off your selection. After this, turn the path into a selection and fill it in with a black color. Next, select your smudge tool and use a small circle brush. Set the rate up to 95, depending on the length of grass you want. Now, use your mouse to push up on the mound and you will see wispy pieces of grass form where you are moving your mouse. Cross them over and cover as much of the a...

How To: Dynamically Warm Up Youth Sport Players with Exercises

When playing sports, warming up is an integral pre-game must, and with kids, there's an entirely different approach to coaching them through warmup drills. This video will help coaches keep their team in good condition by talking about the process of teaching your youth players to successfully complete dynamic warmups. The biggest part is to prevent injury. The muscles have to be warm upped, the blood needs to flow, and the heart rate need to be up as well. See all of the necessary exercises ...

How To: Use an ABC foam fire extinguisher

Firefighters Al Bennett and Jesse O’Quinn of the Houston Fire Department give instructions on using a fire extinguisher. Most fire extinguishers have a rating of ABC, which are suitable for most fires that occur in the home. There are also D and K fire extinguishers, but these are not commonly used in the home.

How To: Design a dozen roses for a vase

This video is a tutorial on how to arrange a dozen yellow roses for a vase. The speed of the video is increased four times faster than the normal rate of speed. The man arranging the flowers does not explain the step-by-step process of his arrangement. The viewer sees the man first arranging green leaves in the vase. Second, he dips the yellow roses into a liquid solution in a separate container before putting them into the vase. The tallest yellow rose is the center rose in the arrangement, ...

How To: Do the liquid rope coil effect science experiment

Check out this cool video where you will learn how to create the liquid rope coil effect. Honey is dribbled off the end of a chopstick into a pot below. As the falling stream stikes the pool of honey below, it turns itself into tight circular coils which rapidly begin to pile one on top of the other. A growing column of liquid coils of rope begin to emerge from above the surface of the honey in the pot in an effect referred to as the liquid rope-coil effect.

How To: This DIY Pneumatic "Mauler" Fires 300 Ping Pong Balls Per Minute

Here's an awesome weekend project that could leave you with a fearsome "Ping Pong Ball Mauler" capable of firing hundreds of balls a minute at your unsuspecting neighbors. Christian Reed built it out of a poly drum and a homemade pneumatic device. He turned a standard shop vacuum into a high volume, low pressure system that allows his contraption to continually fire a constant stream of ping pong balls at a rate of hundreds of balls a minute. Best of all, all of the parts he used can be bough...

How To: Create the Next Big Video Game by Learning Unity 2D with This Course Bundle, Now 98% Off

Whether you've always dreamed about making your own video games for fun or a career, now you can make the dream a reality with The Unity 2D Game Developer Bundle. Not only does this complete course include a ton of content, but it's not often you get to learn such valuable skills at such a low price. Right now, this course is a huge 98% off its original price, at just $39.99 (regular price $2,189).

News: iOS 13.2 Fixes the Biggest Issue with iPhone's Video Camera

When it comes to shooting video, the iPhone is often considered the best in the biz. That certainly didn't change with the release of the iPhone 11, 11 Pro, and 11 Pro Max, who each sport the best video cameras the smartphone industry has to offer. That said, there's always been something truly irritating about Apple's camera app, something the company finally fixed in iOS 13.2 and later.

News: You Don't Need a Gaming Phone to Game Like a Pro on Android

As manufacturers try to differentiate their smartphones from the sea of Android devices, a new genre of smartphone has emerged: gaming phones. Razer Phone was the first to gain traction, but the likes of Xiaomi, Asus, and ZTE have all announced gaming-first phones coming soon. Still, you don't really need to buy a "gaming phone" to play games like a pro on your smartphone.

News: The Razer Is Now the Best Gaming Phone You Can Buy

When it comes to mobile gaming, you have a lot of fantastic options. Most flagship devices on the market, such as the Galaxy Note 8, iPhone 8 Plus, or OnePlus 5T, are perfectly capable of giving you an excellent, immersive experience. If you're looking for the ultimate way to experience Animal Crossing: Pocket Camp or something with more action like Into the Dead 2, the Razer Phone is the winner.

How To: Unlock Your HTC 10's Bootloader

To really personalize your HTC 10, you'll need to be rooted — but that can't happen unless you unlock your bootloader. Thankfully, HTC has made it relatively easy to unlock the bootloader on their 2016 flagship.

How To: Track Lyft & Uber at the Same Time to Avoid Surge Pricing & Select Faster Rides

With the exception of New York, D.C., and maybe San Francisco, public transportation in the United States is downright abysmal. Like it or not, you need a car to get around. This is why Uber and Lyft have seen so much success in recent years. Both ride-sharing services get you from point A to point B in an efficient manner, and they do it without costing an arm and a leg. Well, in most cases.

Hands-on: Google's Daydream View Feels Like a Hot & Stiff Pair of Sweatpants on Your Face

While visiting the Made by Google pop-up shop in New York City this morning, I had a chance to try out the new Daydream View virtual reality headset. First impressions are important, and Google's new mobile VR product makes a good one. The headset is made of a soft fabric that most evokes a beloved old college sweater that's well worn but properly cared for. The demo only featured the Slate (darker gray) model, though customers will ultimately be able to choose from either Slate, Snow, and Cr...

How To: Perform a general chest exam on a patient

There's no better way to learn then by visual media, and that's what makes this video lesson on performing a chest exam so great. It's perfect for any future doctor, and great for nursing students to understand the proper procedure for examining a patient's chest. Medical students can easily learn how to perform a general chest exam, because ever step and technique is outlined and shown. A chest examination is very important to determining what's wrong with your patient, and you will be able ...