This video from Your Teacher is one of a range of math solutions. (which is the measurement from the center to the edge when drawn in a straight line) and also the area of the circle, is the amount of total space within its perimeter. The circumference of this circle is 20 pi. The circumference is 2 pi r. So 20 pi is 2 pi r. Which factors down to show that 10 is the radius (10=r). The area is pi r squared. As we know the radius is 10, we can work out the area - 100 pi.
Computer forensics expert Steve Burgess gives a highly informative tutorial on how to recover deleted emails in Outlook and Eudora. The most critical factor affecting the recoverability of deleted web-based emails, according to Steve, is whether the PST file, which stores all the emails, has been compressed after the mail was deleted. If this hasn't been done it is possible to hack into this file and recover the deleted email. Text-based emails, like those one creates on programs like Eudora,...
Green eye makeup, as shown in this how-to video, is very complimentary to brown eyes. The cosmetics used to create this look are MAC Liner - Teddy, MAC EyeShadows - Juxt, Humid, Juiced, Milani Liner - Golden Eye, NYX EyeShadow - Sahara, Urban Decay EyeShadows - Graffiti, Shag, Maybelline Define-A-Lash (pink bottle) - Very black, Max Factor 2000 Calorie - Black, MAC - Feeling beauty powder, Revlon Colorstay liquid - Caramel, Posner Coverstick - light/med, Revlon Colorstay Concealer - Deep, Mac...
This software tutorial shows you how to use chroma key, the method of using green or blue screen footage, in Wax 2.0. Use the free video editing software Wax 2.0 to chroma key and create cool effects for your video footage.
Learn how to apply a makeup look inspired by Keira Knightley from the premier of Pirates of the Carribean: Dead Man's Chest. The products used for this look are Dark Brown Shadow (the palette's so old, the name's rubbed off... any dark brown shadow will do), Gold Shadow from the Profound Palette, Champagne Shadow from the Profound Palette, Maybelline Define-A-Line eyeliner in Ebony, MAX Factor Volume Couture Waterproof Mascara in Rich Black, Sonia Kashuk blush in Royal Rush, and Covergirl Lip...
Do you even know what the F key does? or what it stands for? We'll give you a hint - it helps you toggle between the different screen modes like full screen, standard screen, and maximized screen. So check out this Photoshop tutorial and see how to use the F shortcut key.
This video tutorial shows how to make a post it note key chain. Learn how to make a practical but cute key chain that will carry post it notes.
Have you ever lost your house or car keys? Kipkay will show you how to make a backup copy of your keys just using a scanner.
In this video, we learn how to use the smart key for the 2010 Prius. You can use this just like any other keyless entry system. Press the lock button to lock the doors and the unlock button to unlock the doors. When you press unlock once it unlocks the drivers door, if you press it twice within 3 seconds, it unlocks all the door. After 60 seconds, the Prius will automatically lock itself. Press the red alarm key if you need to draw attention to yourself in an emergency situation. Make sure yo...
Knowing music theory never hurt anyone—not Bach, not Chopin, not Schoenberg. Even if you fancy yourself a musical iconoclast, the better you know the rules of music, the better equipped you'll be to break them down the line. In this free video music theory lesson, you'll learn how to determine the root or "home" key of a song. For more information, including a very thorough overview, watch this helpful musician's guide.
Assign custom shortcut keys to your most commonly used Adobe Photoshop CS4 functions to help speed up your workflow. Whether you're new to Adobe's popular graphic editing program or a seasoned design professional looking to better acquaint yourself with the new features and functions of this particular iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this designer's guide.
Learn how to use set key frames (or keyframes) working in Nuke 5. Whether you're new to the Foundry's popular node-based compositing application or a seasoned post-production professional just looking to better acquaint yourself with Nuke 5's new features, you're sure to be well served by this video tutorial. For more information, including a detailed overview, watch this free video guide.
Learn how to operate the latest Blackberry 8330 in simple steps. Follow the steps below to overview the Blackberry 8330: 1. First switch on your Blackberry by pressing the power button on its top. 2. Use the 'Trackball' to navigate around the menu options and press it to select an option. 3. The 'Send' can be used to call a contact, the 'Menu' key opens a list of options, then the 'Escape' key is used to end an application and the 'End' key is used to end a call. 4. You can find on the left s...
Go to DJTUTOR computer where you can download the latest firmware for free. Once downloaded you need to either burn it to a CD-R or use a USB key. Unzip the file and download it to a fat formatted USB key with nothing else on it. The firmware upgrade consists of two files. Eject any disks from the MEP and remove any USBs and make sure the unit is turned off. Next insert your USB key and push and hold USB 1 and USB 2 and turn on your unit. The MEP will then tell you when the firmware is comple...
Step by step tutorial video on adjusting the neck of your guitar. First you need to remove the truss rod cover to gain access to the truss rod. Make sure you have the correct Allen key when adjusting your truss rod. If your guitar came with it's own Allen key make sure you use that one. Put a capo on the first fret. To increase the tension on the truss rod turn the Allen key to the right. To decrease the tension turn it to the left. Always check the gap between the frets and the strings.
This video describes how to create a jumping letters in Flash, first create the text for example "JUMP" and using Break the letters each and then make the layer and now convert the letters into "Movie clips" and now we should add the key frames to our "time line”. Then moves the letters up by using the up arrow now copy the key frames from font end and paste on the back again for go up and come down the letters again and add the "motion between" for each letters and now skip the key frames by...
This tutorial will show you how to create a cool image animation using mask in Flash. First lets import image file and now lets create a new layer. Choose oval tools and now lets draw a shape just outside our scene. Then go to frame 30, and add the key frame and select transform tool. Now lets re-size our shape and go to 50 frame and add the key frame. Then go to frame 80 and add the key frame, re-size our shape and use free transform tools. Now lets create shaped in frame over 30, 50,and 80 ...
This tutorial video, from tasktutorial demonstrates how to create animation using the motion guide function in Flash. You will learn how to create an object, in this case, a ball, and create an animation that makes it appear to bounce. The guide shows you, how to add a motion guide by selecting a key frame and drawing it in. Then you will learn how to snap the object to your guide line, and add motion to it by selecting another key frame between the first and last frames, and snapping the obj...
In this flash tutorial the instructor shows how to make a black and white mask animation. To do this, first start by importing your image into the flash tool and bring it on to the scene. The image should be wider than the scene. Now select and distribute the layers. Now convert those images into movie clips. Now go to frame 80 and add all frames. Get back to the first layer and create a shape that is the your mask. Now go to frame 40, select key layer and add free transform tool. Now, mask t...
This simple video tutorial teaches you how to create an animation of basic shapes transforming from one shape to another when using Flash.
You already know the mechanics of DJing, but you want to be an international celebrity -- or at least drink for free while showing off your music collection. Here's how to spin your hobby into a career. Watch this video to learn how to become a professional club DJ.
This is a great spring bumping demo from UK Bump Keys. Spring bumping involves inserting a spring over a bump key to disledge the mechanisms in a lock. This is a locksmith and lockpick demonstration.
Wouldn't it be handy if, while running Mac OS X, you could enlarge some of the fonts and applications like Mail or Safari? Some of those fonts can be relatively small. All you need to do to increase font size in an OS X application is to press the command, shift and plus keys. To make a font smaller, in turn, all you need do is press the command, shift and minus keys. For more on using these key commands to obviate the need for squinting, watch this Apple tutorial.
Six steps to clean a membrane keyboard. IMPORTANT - NOT FOR LAPTOPS or NON-MEMBRANE KEYBOARDS
How to make and use a bump key to quickly unlock most residential grade locks.
When you need to type in all caps on a computer, you just press the "caps lock" key. But no such key seems to exist on iOS. The "shift" key appears to work at first but will deactivate once you type one capital letter. Holding down the shift key while you type gets the job done, but it's a pain. While it might not be obvious, enabling caps lock is actually really simple.
Pressing the side key on your Galaxy S20 wakes or locks the device, while pressing and holding the button activates Bixby. So "side key" is an apt name — it's not really a power button anymore. That begs the question, how exactly do you restart this thing?
Many operators use elevators to control access to particular floors, whether it be the penthouse at a hotel or a server room in an office building. However, the law requires them all to have a fire service mode, which gives emergency access to restricted floors, and a hacker can use that to bypass security altogether.
One major problem in previous iOS versions is that there was no way to keep messages in sync between an iPad, iPhone, iPod touch, and Mac. If you deleted a message in the Mac app, it would not be deleted on your iPhone, and vice versa. Apple finally fixed this issue in iOS 11.4 by storing all of the messages in iCloud, not on individual devices.
Building virtual portals are popular practice for developers to demonstrate the "wow" factor of augmented reality.
Rumor has it that a gang of hackers—or possibly, one lonesome individual—holds the power to remotely wipe millions of iPhones and iCloud accounts, unless Apple coughs up some ransom money by April 7.
Add antibiotics to the possible list of culprits responsible for honeybee decline around the world. While it may come as a surprise, antibiotics are commonly mixed into feed used by commercial beekeepers to maintain their hives. In a recent study published in PLOS Biology, researchers from the University of Texas at Austin found antibiotics used to treat honeybees may be a contributing factor in individual bee death and colony collapse.
Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be able to crack passwords and encrypted protocols such as SSL and wireless, you need to at least be familiar with the concepts and terminology of cryptography and encryption.
It's been rumored for months, but now we've got some official news about Google's newest music offering, YouTube Music Key. The subscription service will allow for an ad-free experience with background listening (i.e., having your screen off) and offline playback.
The guys over at SamMobile were lucky enough to get their hands on an early preview build of Android 5.0 Lollipop on the Samsung Galaxy S5, as you can see in their video below. The operating system has definitely not reached its final form yet, but the progress is very clear.
Lenovo didn't have as much to show off at IFA 2014 as Samsung and Sony did, but its new Android-powered Tab S8 is certainly worth a look.
Samsung has shown off its new smartwatch, the Gear S, and its two new Notes, the Note 4 and the Note Edge at IFA 2014, but it had one more trick up its sleeve.
I know all of you softModders love these little modifications, like enabling the hidden battery percentage on the Nexus 7 or getting the exclusive Google Launcher on your Nexus, so here's an easy one that lets you hide the soft-keys from your tablet, which will actually expand your screen to look a little bit longer.
This is for all you vegans out there who crave the taste of key lime pie more than Dexter. Traditionally key lime pie is not vegan, so in this inventive recipe I've made it vegan and you won't believe what makes it green!
Can't decide between the Galaxy S4 or the Galaxy Note 2? There are advantages to both the Galaxy S4 or the Note 2, it all boils down to what your needs are such as screen size, battery life, and more.
