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How To: Trick someone into thinking their LCD monitor is broken

For many young people, their computer is the most expensive and cherished thing that they own. If you want to pull a prank of them, why not hit them where it hurts? This video presents a novel idea for a computer prank: loading an image of a cracked LCD screen full-screen on their monitor and unplugging their keyboard and mouse. When your victim returns to their computer, it will seem very convincingly broken.

How To: Use definite integrals to find the area of curves

Brightstorm explains how to use definite integrals to find area. There are two basic area problems: one in which the area lies between the function and the x-axis, and one where the area lies between the two functions. In the first case, if the curve lies above the x-axis for x=a to x=b, the definite integral returns the area. If it lies below the x-axis for x=a to x=b, then the definite integral returns a negative area. In the second case, we assume that f(x) is the higher curve and g(x) is ...

How To: Build and use array formulas in Microsoft Excel

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 36th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn most everything there is to know about working with array formulas in Microsoft Excel.

How To: Work with Microsoft Excel's LOOKUP function

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 42nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn ten tricks involving the LOOKUP function:

How To: Test radial and ulnar artery circulation on a patient

This how-to video demonstrates how to test radial and ulnar artery circulation. To begin have the patient clench the hand tightly. Upon release the blood should return quickly. If you push down on both arteries, specifically the radial side, the hand remains white after loosening the clenched hand. If you release the ulnar side you will notice that the hand returns to a normal pink color. Follow along and learn to test radial and ulnar artery circulation.

SQL Injection 101: Advanced Techniques for Maximum Exploitation

For SQL injection, the next step after performing reconnaissance and gathering information about a database is launching an attack. But something seems off .. in the real world, it's usually not quite as simple as passing in a few fragments of SQL code to an input field and seeing all that glorious data displayed right in the browser. This is when more advanced techniques are needed.

How To: Apply a 50s cat eye makeup look

The eyes have it: 50s-style glamour returns with this how-to video from Elle magazine. You will need black cream or powder shadow, black pencil, black liquid liner, and black mascara. Watch this video makeup tutorial and learn how to create a retro 50s winged cat-eye look.

How To: Use Cheat Engine to hack the game Perfect World International

Tired of grinding out endless, boring quests for meager returns when you're playing Perfect World International? Want to rocket to high level and immense piles of treasure immediately? Cheat Engine is your answer! This free game hacking program frees you from having to hunt for cheat codes or exploit glitches to get ahead in PWI. Just follow along with this easy and quick hacking tutorial, which shows you how to use this program to change many of the values of your character and in the game.

How To: Do normal probability calculations on a calculator

Probability computation is a complex process and even using a calculator can be difficult. But normal probability calculations can be performed quickly with the help of calculator once you know how to use it. So when you have to calculate a probability from a normal distribution you can use the functions on your scientific calculator. You can use the normal CDF function from you calculator to compute the area under a normal curve. The function requires lower band and upper band values, the me...

How To: Play the "Star Spangled Banner" on electric guitar

In this video we are about to see how to play the "Star Spangled Banner" on electric guitar. This is a basic lesson to all the beginners in guitar. It starts with the E string. It travels from tabs 10-7-3 to start off with the anthem and returns back. Now to the next string below E. Go through 9-7-5 tabs and return back via 7-9-10 of the E string. Even though there are various ways of play the star spangled banner this method is easy to learn for the new users. Then play it once more with a 4...

How To: Make delicious fried tempura ice cream

The chef's name appears and music plays and a woman's voice tells the ingredients for fried tempura ice cream. A woman appears and mixes tempura batter in a bowl with ice water. She tells you how to form ice cream balls and wrap them to place in the freezer for an hour. She them returns to show you how to wrap the ice cream with angel food cake after which you dip in batter and fry. Finally serving it on a garnished plate. Watching this video will help you successfully make and serve fried ic...

How To: Use the Arbitrage Pricing Theory (APT)

This video teaches you how to use APT (Arbitrage Pricing Theory) models and formulas. This video shows two specific parts of the APT models the first being the after the fact version and the before the fact version. The before the fact version is focused on as being the most important which is used to calculate expected returns to calculate risk. It is discussed how flexible this model is and how different factors can be moved in and out of the formula and how each different factor is used. T...

How To: Clean gold jewelry

Looking to polish up some old jewelry? Your skin, soap, and even the air can dull your gold jewelry. Bring the luster back with a few household items and these five steps.

How To: Read or decode the Intelligent Mail Barcode or IMB

Ever wonder what those black bars across your business letters are for? Together, those 65 black bars are called the Intelligent Mail Barcode (or, "IMB"). First announced in 2003, the IMB came into use in 2006 for United States mail and served as a way to increase the amount of information carried on letters and mail flats, expanding the tracking capabilities for mail carriers. Your IMB is divided into four parts: Ascender (A), Full (F), Tracker (T), and the Descender (D). This video teaches ...

How To: Make a singing Mr. Chin

The Professor of Silliness returns with some paper. Follow this simple example to turn your face upside down and make a singing puppet. just draw a necktie on a regular sheet of paper and trim the collar accordingly. Place two little eyes on your chin. Now here's the difficult part. You have to hang upside down and hold the paper necktie up to your chin, covering your nose. Now you sing, or lipsink, to your favorite songs, as the adorable songbird, Mr. Chin.

How To: Wrap your ankle after an injury

As you apply the wrap you want the most pressure down by your toes and the least up your leg above your ankle. That keeps swelling out of your feet and back up toward the heart. Start by wrapping around the base of the foot. As you move up toward the ankle you will begin wrapping the ankle in a figure eight going around the ankle and then around the foot. You want to wrap the ankle 3-4 times to give it some good stability. Then wrap the ankle in circles around the ankle and then up the leg. Y...

How To: Make king crab cakes stuffed with lobster tails

In the spirit of foods stuffed with other foods such as Turducken and macaroni and cheese stuffed meat loaf, comes this seafood inside seafood dish. This video tutorial shows how to make King Crab stuffed lobster tails. This gourmet meal is surprisingly easy to pull off, provided you’re working with some decent crustaceans.

Hack Like a Pro: Python Scripting for the Aspiring Hacker, Part 2

Welcome back, my fledgling hackers! In an earlier tutorial, I introduced you to probably the most popular scripting language for hackers, Python. To become a professional hacker, you need to have some scripting skills and Python is a good choice if you want to master just one. In this latest guide, I will expand your background in Python and offer you a tidbit of Python code to whet your appetite for all of the hacking to come.

News: Apple Just Released iOS 13 Public Beta 6 for iPhone, Includes New Options for Blocking in Mail & Bug Fixes

Apple dropped the sixth public beta for iOS 13 today, Aug. 15. This public update comes just hours after the release of developer beta 7, an interesting move for Apple. The company has recently stuck to a schedule of seeding the public beta at least one day after the developer beta, presumably to weed out any debilitating bugs that might have gone unnoticed.