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How To: Give Your Android Phone Some “Material Design” with Google's New Calculator App

With Google's latest version of their mobile OS, Android L, the most notable aesthetic difference is the newly introduced Material Design concept that will soon be ever-present through the interface. The objective of this bold design is to create "hierarchy, meaning, and focus," as described by Google, and the deliberate choices of color and white space "to create immersion and clarity."

How To: Understanding Signature Schemes: How Data Sources Are Authenticated, Secured, & Spoofed

One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sent to her by Oscar, the file might not be a game, but a trojan that can do anything on her computer such as sift through her email and passwords, upload her honeymoon pictures, or even turn on microphones and webcams. Thi...

How To: for HTML Structure - Opening and Closing Tags

Learn how to setup up a basic structure for a HTML web design document, define the HTML version, open and close HTML tags and learn how to apply the proper file extensions when saving document in notepad. This web design tutorial is by no means a complete structure for HTML coding and is only a brief introduction to HTML web design. This video will only go over a brief introduction to the structure of an HTML document and in a future tutorial we will go over additional components that are nee...

How To: Keep Your Fingers Clean While Eating Cheetos, Chocolate, Chips, and More!

Cheetos fingers is defined as the unpleasant (but mostly pleasant), oddly-colored residue left on the thumb, index finger, and middle finger after ravenously eating through a bag of—you guessed it—Cheetos. It can usually be cleaned up by licking your fingers (my favorite) or washing your hands (boooooo). For the folks who enjoy the latter, Cheetos fingers are an annoyance. As someone who enjoys this idiosyncrasy, I've never quite understood the disgust in getting your fingers all cheesed up.

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: Ignore painful muscles and keep exercising

Sore muscles are no fun, but the only way to make it stop is to continue working out. The more you work your muscles, the stronger they will get and the less they will hurt when you use them. No matter how much it hurts you have to work through the pain. Check out this tutorial for info and advice on how to get past the aches and reach your maximum potential.

How To: Play KenKen

It’s a game, it involves numbers, it’s fun, it’s KenKen! Understanding the goals and rules of this fun, numbers puzzle will give you the skills you need to win. Have fun working your brain and passing the time with KenKen.

How To: Understand the Rule of Corresponding Angles

This video explains about the rule of corresponding angles. When measuring the angle between the parallel lines (i.e.) Line1 and Line2 across the straight line. The angle A and angle B are equal. The angle C and angle D are equal. The angle E and angle F are equal. Finally angle G is equal to angle F. So, the angle between the parallel lines in all the angles are equal. Hence, this is the rule of corresponding angles. This video is very useful to basic high school geometry courses. Correspond...

How To: Establish the modeling mindset for SketchUp

This video series helps you understand and get in the right mindset to model in SketchUp. It accompanies Chapter 2 of Google SketchUp for Dummies. PART 1 explains the relationship between edges and faces. PART 2 shows you how to give instructions with the drawing axes. PART 3 explains about keeping an eye out for inferences which help with accuracy. PART 4 shows you how to use those inferences to help you model - specifically locking and encouraging them. PART 5 covers how to get the best vie...