Numbers

How To : Calculate molecular formula using molar mass

The man was requested to solve a short, basic chemistry exercise. He starts by explaining the meaning of the terms involved in the problem: molecular mass, empirical formula and molecular formula. He also explains the way the are connected, for a better understanding of the wa ...more

How To : Enable Developer Options on Your Nexus

Unlocking "Developer options" on an Android device is useful for many things. You can limit or stop transition animations for a snappier device, enable USB debugging to run fastboot commands, and more. But of course, the first step to making these tweaks is to unlock the hidde ...more

How To : Clone yourself with iMovie

One is the loneliest number there is. Well, unless you clone yourself! This sweet video will show you how to do just that with Apple's iMovie. You'll need iMovie 11, or iMovie 09. This technique is also possible by using other video editing software tools as long as they are c ...more

How To : 13 Non-Edible Uses for Bread

The best thing since the creation of bread may just be... sliced bread. Soft bread slices have the perfect absorbent texture for picking up tiny pieces of broken glass, gently cleaning dust off your precious oil paintings, and even safely removing splinters from your finger wh ...more

How To : Isolate a variable

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying. Step 1: Bring like terms together Bring like terms together. All equations have two sides. You want to perform t ...more

How To : Count cards in Blackjack easily

So how does a card counter keep track of the cards in blackjack? While there are many different systems and variations, counting cards is usually as simple as adding and subtracting the number 1. Subtract one when a high card is dealt and add one when a low card is dealt. The ...more

How To : Hack Windows shares

In this installment from the Unorthodox Hacking series of computer security tutorials, you'll learn a number of methods for hacking Windows shares as well as means of mitigating those hacks. For detailed instructions on Windows shares, and what you can do with them, watch this ...more

How To : Burn Xbox 360 game ISOs to a dual-layer DVD

In this how-to video, you will learn how to burn game ISO's for the Xbox 360. It is important that it is only legal to back up the games that you already own. You will need the Image Burn program. Open it and click Write Image File to Disk. Next, click browse for file and look ...more

1,000 Part Rubik's Cube : $3,550 Petaminx

Move over Rubik's Cube, there's a new puzzle in town. The Petaminx. The beautifully designed and custom built Petaminx has almost 1,000 moving parts. Peta- actually means 1,000,000,000,000,000, although that number could refer to the endless number of solutions. Based on And ...more

How To : Cast On at the End of a Row in Knitting

Sometimes your pattern will instruct you to CAST ON AT THE END OF A ROW. CASTING ON AT THE END OF A ROW is quite easy. Here's how to do it: When you come to the end of the row, turn the work as to purl. Cast on, in the usual way, the number of stitches needed. Purl all the ...more

Find the discriminant (DELTA) : quadratic equation

The discriminate of any equation in any degree plays an important role in determining the roots of that equation. In case of a quadratic equation with a positive discriminate, the roots are real while a 0 discriminate indicates a single real root. A negative discriminant indi ...more

How To : Insert, format, resize & crop pictures in MS Word

This video is a Microsoft Word 2007 tutorial on working with pictures. To insert a picture in your document, click on Insert and select Picture, then find the picture, select and insert it. To resize the picture without distorting it, click and hold on the corner circles. You ...more

How To : Port Forwarding for Newbies

I have came across a lot of members on the forum that didn't have a clear idea of what port forwarding is and what it does. So...Let's get started... Your router is blocking outside traffic from coming inside the network for security reasons (Kind of, like, a firewall level), ...more

How To : Root the Pixel 2 or Pixel 2 XL & Install Magisk

Despite concerns with SafetyNet, Google actually cares about root. Every phone they sell has an unlockable bootloader, so you can toggle a setting and send a Fastboot command, then start flashing custom firmware right away. The Pixel 2 and Pixel 2 XL continue this tradition, a ...more

How To : Check your voicemail in Microsoft Outlook

In this how to video, you will learn how to check your voice mail in Microsoft Office Outlook. Your exchange administrator must enable unified messaging for these messages to appear. First, open the program to set up your voice mail options. Go to options and click the voice m ...more

How To : Steal macOS Files with the USB Rubber Ducky

If you need a tiny, flexible attack platform for raining down human-interface-device (HID) attacks on unattended computers, the USB Rubber Ducky is the most popular tool for the job. By loading the Ducky with custom firmware, you can design new attacks to be effective against ...more

How To : Create exploding water

Watch this instructional science video to learn how to create hydrogen from water, salt and electricity, for only a few dollars. This is an experiment that produces explosive gases, involves electricity and water and a number of risks so please be careful. Not an experiment to ...more

How To : Display Text in Minecraft Using Redstone

Ever wanted to display text in Minecraft? It's actually not overly difficult. In this tutorial, I will endeavor to guide you through the process between storing and displaying text from memory. To do this, we will examine two different methods of displaying and storing text in ...more

How To : Root Android L—The Easy Way

While the preview images for Android's upcoming "L" release just came out yesterday, the new firmware has already been rooted, as is standard with its openness. So if you were feeling reluctant to try Android L because it didn't support existing root methods, then you might wa ...more

How To : Stay as Anonymous as Possible Online

There are lots of people who want to stay anonymous online, and lots of reasons they want to do this. Staying anonymous on the internet isn't easy, and it's probably possible to trace almost anyone with enough time and resources. A lot of people think that they're completely s ...more

How To : Find a missing angle outside of a triangle

For people who are having problems with certain parts of geometry, this video will offer you advice on how to find a missing angle on the outside of a triangle when you are provided with the measurements of the other two angles in the triangle. Since the sum of the angles in a ...more

How To : Create a frequency polygon line chart in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 655th installment in their series of digital spreadsheet magic tricks, you'll learn see how to cre ...more

How To : 11 Ways to Make Your Living Space Look Bigger

Is your tiny city apartment or super modest house starting to feel a bit too cramped for comfort? While most of us don't have the luxury of hiring an architect to add on more kitchen space, or the money to live in a more spacious apartment, there are a number of simple things ...more

How To : Evaluate factorials with a TI-83 calculator

The factorial of a number n can be defined as the product of all positive integers that are greater than 0 but less than or equal to n. Almost every scientific calculator has a built in "factorial" function. This makes the really cumbersome process of multiplying each number ...more

Real Brain Food : What Geniuses Actually Eat, Part 2

If you've already read the first part exploring what geniuses actually eat as opposed to what the rest of us are told to eat for brain health, you've noticed that there are some big discrepancies. Instead of favoring healthy, wholesome foods high in antioxidants, lots of high- ...more

How To : Knit a shaker rib stitch

Follow this quick video demonstration to see how to knit a shaker rib stitch. The shaker rib is also known as the half fisherman, and that's because it's not as bulky as the fisherman rib. During this process, you'll even see how you can knit one below, or k1b. For the 1st ro ...more

How To : Carve Fractals and Stars on Pumpkins

Fractals and stars are two of the most beautiful and complicated-looking classes of geometric objects out there. We're going to explore these objects and how to carve them on a pumpkin. Unlike the last one on carving polyhedral pumpkins, where we used the entire pumpkin to car ...more

How To : Block caller ID on your iPhone

This video will show you how to block caller ID on the iPhone 3G. Follow these steps to block caller ID on the iPhone 3G: Go to your settings menu and click on the phone option. Click on the 'show my caller ID option', and turn it ON or OFF. Now your number won't show up if yo ...more

How To : Enumerate MySQL Databases with Metasploit

It's been said time and time again: reconnaissance is perhaps the most critical phase of an attack. It's especially important when preparing an attack against a database since one wrong move can destroy every last bit of data, which usually isn't the desired outcome. Metasploi ...more

Walkthrough Assassin's Creed 2 : Glyph Puzzle 17

Figure out the 17th puzzle, entitled "The Bunker", in Assassin's Creed 2. Code wheel puzzle: Here’s a tricky one; your clues are “<” and “2,” and the only advice you’ll get from your handlers is that maybe there’s “something we can count” on the strange symbols. In this case t ...more

News : Everything You Need to Know About the OnePlus 7 Pro

The OnePlus 7 Pro is definitely a beast on paper. With a specs page that ticks virtually every box and a price point that undercuts the competition by hundreds of dollars, it's hard to overlook this phone. But before you get too excited, know that OnePlus has repeatedly shown ...more

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