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How To: Calculate the area of a circle with visuals

Learn how to find the area of circle by activity method. Requirements: A circle cut out, a pair of scissors, sketch pen, and a ruler.

How To: Draw shadows

Are you a novice artist looking to up the ante in your drawings? Introduce depth and realism to your drawings with shadows. It all starts with “seeing the light.”

How To: Choose the best guard dog

Before you select a guard dog, find out what qualities to look for and what to avoid. You Will Need

How To: Recognize OCD symptoms

If you have habits that are repetitive, time-consuming, and don't seem to make sense, and they interfere with daily functioning, you may have Obsessive-Compulsive Disorder.

How To: Play "Circus" by Britney Spears on guitar

Learn how to play "Circus" by Britney Spears, an acoustic guitar tutorial. Follow along with this demonstration, tabs and lyrics here:

How To: Perform the Barus effect

Watch this instructional science video to observe the Barus effect in action. A dyed solution of POLYOX (polyethylene oxide - it is the stuff used as the lubricant on the strip found in all modern razors) is extruded from a 50 mL syringe. On exit, a marked swelling in the liquid stream several times the diameter of the orifice is observed. The effect is referred to as the Barus Effect, but it also goes by several other names including the Merrington Effect, Die Swell, and Extrudate Swell.

How To: Appreciate the ballet

Got ballet tickets? Learn to appreciate and enjoy the performance with these steps. You Will Need

How To: Express Your Affection?

Hello! I want to share a few thoughts about affection with you. This post is for all who wonder what is or could be the best way to communicate with the person you like. There are many ways of expressing. When Two Worlds, Mars and Venus Collide.

How to Make Ferrofluid: The Liquid of the Future

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an organic solvent. For mechanical applications, it is used in hard drives and speakers as a lubricant. However, it also has been implemented in artwork, as seen in the video below.

How To: Make a lamb burger, San Antonio-style

Guy Fieri is no stranger to oddly-placed restaurants, but in this episodes of Diner's, Drive-ins, and Dives, he visits one of the strangest yet, a combination car wash / laundromat / gourment cafe in San Antonio, Texas to sample and observe the preperation of a lamb burger that he claims is the best he has ever had. The lamb burger is a delicious dish that remains somewhat obscure in America, but if you've ever wanted to attempt one, this recipe is what you've been looking for. It includes a ...

How To: Experiment with temperature using glow sticks

In this video from Dr. Carlson, users are shown how to witness the effects of the relationship between temperature and matter firsthand, using light-sticks. For the experiment, users need 3 beakers (or vessels of the sort,) and 3 light-sticks of the same color, shape, and light. To test the range, each beaker must correspond to one of the following states: room temperature, ice-water, or boiling water. Deposit a stick in each of them and observe for two minutes. Thus, one will see how the ato...

How To: Measure body fat using a caliper on a bodybuilder

Body fat is very important to keep track of in bodybuilding. One way to measure your body fat is with a device called a caliper. Calipers are easy to read, accurate, require no electric current and are cheap to buy. In this three part series, observe how a caliper is used on a bodybuilder's abs, chest and thighs - three of the most common problem areas.

How To: Unlock Your Oven's Secrets to Bake, Broil, & Roast Like a Pro

The oven is arguably our most essential kitchen appliance (right alongside the fridge, freezer, and yes, even the microwave). But even though we've been using them for a few millennia, many of us know so little about our ovens that our cooking or baking can feel like a roll of the dice sometimes.

How To: Control a friend's PC with Windows XP Remote Desktop

Wartex8 demonstrates how to use remote desktop in Windows XP. Remote Desktop is a useful utility that you can use to control another computer and its applications.The necessary steps that are adopted to activate remote desktop are:1) Right click on my computer icon (either the icon on the desktop or the one on the start menu list) and select properties, and a new dialog box called system properties will pop up on the window.2) In the System Properties, select the computer name tab and write d...

How To: Exploit Development-Everything You Need to Know

Step 1: What Exploit Development Is and Why Should I Be Interested on About This Topic

News: 'Atlanta' Actor Lakeith Stanfield Walks an Augmented Reality Tightrope for New York Times Magazine

The New York Times has made a habit of publishing augmented reality stories throughout 2018, and now the media giant's magazine is getting into the act, too.

News: The Pursuit of Knowledge

Well, here we are. We've come a long way, we really have. Watching this community grow has been amazing. Well, before I start babbling on about the community, let me get to the point...

How To: Turn Your iPhone into a Spy Camera Using Your Apple Watch

With the purchase of my new Apple Watch, the days of striving to be a James Bond-like spy have never been closer to fruition. Granted, talking to your wrist in public can look pretty pretentious, and I may very rarely do it, but let's get real—you look like 007!

News: Microsoft's HowOldRobot Analyzes Photos to Guess Your Age—Is It Accurate?

In a study attempting to observe virality in real time, two Microsoft engineers, Corom Thompson and Santosh Balasubramanian, used Microsoft's recently released Face detection API to create How-Old.net and track its usage in real time.

How To: Shake Your Nexus 7 Tablet for a New Wallpaper Whenever You Want One

Let's be honest, some days call for a new wallpaper to match your mood. If I'm upset, I could use a nice, uplifting wallpaper to alleviate my low spirits. Even in a day and age where everything is literally at our fingertips, I get too lazy to deal with going in and selecting a new wallpaper, cropping it, and setting it (pathetic, I know).

How To: Turn Your Smartphone into a 175X Digital Microscope for Incredible Macro Photos

If you're into photography, you're probably no stranger to the myriad of ways you can take macros with your smartphone. Your phone's built-in camera may not take great pictures up close, but you can modify it to do so with anything from a magnifying glass to a drop of water. However, those types of DIY macro lenses can only get so close.

How To: Use Team Building Tools Efficiently

In the business world, it is always best to have the people you work with. For you to become the best you could give, here are at least 5 tips in using team building tools.

How To: Black and White Dotted Nails

This is a very easy and yet catchy looking nail art design that I really wanted to share in a tutorial with you all girls out here ! Check out this video and please let me know what you think !

How To: Recognize a Rabbit's Nest?

Hello! I would like to share some data about the nests that rabbits and dwarf rabbits build. They represent good shelters for them and their babies.

How To: Track Wi-Fi Devices & Connect to Them Using Probequest

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting probe frames using Probequest and what can be done with this information.

How To: Create a Wireless Spy Camera Using a Raspberry Pi

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeOS running on a Raspberry Pi Zero to create a small, concealable Wi-Fi connected spy camera that is both affordable and easily concealed.

News: Microsoft's HoloLens 2 Makes Primetime Debut on Fox TV Show 'The Resident'

The HoloLens 2 hasn't even reached most of the market, but it's already a big-time TV star. Microsoft's augmented reality device made its primetime debut on FOX TV last night on an episode of the hospital drama The Resident.

News: Augmented Reality Startup AstroReality Expands Its Product Universe with NASA AR Series

After getting its start with models of augmented reality planets that serve as targets for augmented reality experiences, AstroReality is diversifying its portfolio by paying tribute to one of the space agencies that made its products possible.

News: US Navy Taps Microsoft's HoloLens for Augmented Reality War Games System

Simulated training can help soldiers and sailors learn how to use their weapons safely, but simulations can sometimes lack the stressful environment of a real firefight.

Apple AR: ARKit Update for Pokémon Go Makes Monsters Bigger & Smarter

If you ever thought the Snorlax in Pokémon Go should be taller, and you have an iPhone compatible with ARKit, get ready to look up.

Apple AR: LEGO AR-Studio Will Give Kids Free Virtual Sets to Play Alongside Real LEGOs

It appears that the new AR app from LEGO is inching closer to release.

News: Avegant Light Field Technology Now Available to AR Display Makers via Development Kits

Avegant Corporation has begun shipping display development kits based on its light field technology that other companies can use in their augmented and mixed reality devices.

News: Why Social Media Is for Women (& the Men Who Want to Date Them)

Gender standards are entirely pervasive. We raise our sons to be masculine and our daughters to be feminine, which perpetuates the gender role formula when they grow up to be parents and raise their own children. Part of this whole equation is that boys are supposed to remain stoic and project an air of strength, and girls are expected to be amiable while being held to unrealistic standards of outward beauty.

News: Magic Leap, Intel Bring Augmented Reality Cinema to SXSW

In the late nineteenth century, the advent of the motion picture wowed audiences with a new storytelling medium. Nearly a century and a half later, augmented reality is establishing a new frontier in film.

How To: Draw on Real World Objects with AR Doodles on Your Galaxy Note 10

Thanks to improvements in technology, AR has become more prominent on our phones. With all the power of the Galaxy Note 10 and Note 10+, Samsung decided to add some pretty nifty AR features. One of these is the new AR Doodle mode, a feature that will make your videos pop.