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How To: Solve problems involving deductive reasoning

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to apply deductive reasoning.

How To: Solve problems involving rational equations in algebra

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find answers to rational equation problems in algebra.

How To: Solve simple math problems involving exponents

See how to apply exponent rules to simplify and solve equations with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Style your hair like Zac Efron

This how to video shows you how to style your hair like Zac Efron with American Crew molding clay. You will need the clay mentioned and a brush. First, comb your hair so that you have side swept bangs. Use a straightening iron on your hair if it is very curly and textured. Next, take some clay and rub it in your palms. From here, rub your hands through the back of your head to the front. Remember to work from the top of the crown to the front. Use the come to make any adjustments. Take more c...

How To: Add an infrared effect to photos in Photoshop

This video tutorial is about adding an infrared effect to an image using Photoshop. First of all, open the image to which you wish to add the effect. After that, create a duplicate layer. Then go to the image option and click on it. A drop down menu appears. From that menu, click on adjustments and from that, select the option channel mixer. In the small window that appears, first tick the monochrome option. The idea of the channel mixer is that the total percentage of the colors must add up ...

How To: Dive into new features of Photoshop CS4

Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to dive into new features of Photoshop CS4.

How To: Readjust microFollowFocus gear if too loose

This instructional cinematography video provides troubleshooting alternatives to adjusting the focus gear on a Redrock microFollowFocus should it become too loose. There are several adjustment capabilities built into the Redrock microFollowFocus and can be tightened by watching this video. This instructional video is interesting for cinematography aficionados.

How To: Set up a trigger for semi auto play in paintball

Ever experienced uncontrolled after bursts during semi auto play? Most gun triggers have four adjustments: tension, pretravel, activation point, and post travel. The wrong setting could damage your paintball gun's board. This video shows different ways of setting up a paint ball gun's trigger for efficient play and better control.

How To: Add dramatic color to photos with Photoshop Camera Raw

This video tutorial speaks about how to create a dramatic effect to an image using only Camera Raw in the Bridge program of Photoshop. In this example, the picture was first brought into the program and the fill light was turned upwards in order to lighten up the dark foreground. The white balance of the picture was changed to cloudy to add a nice effect and the color temperature was changed to make the picture appear warmer. The various parts of the picture can then be changed individually b...

How To: Render out normals in Cinema 4D, Modo, After Effects

After Effects allows you to do all sorts of amazing things to your videos and images, but it cannot do it all alone. This video will show you how to use an After Effects plugin called Normality 3 to make lighting adjustments to 3D assets on the fly, having already rendered out a normal pass using either Cinema 4D or Modo (you can use other 3D software too, but those two are both shown as examples in the video). It will also demonstrate how to render out the normal passes.

How To: Make soft focus wedding photo effects in Photoshop CS4

Want to grab some great shots at your friend or family member's wedding? Create a glowing, diffused, soft focus wedding photo effect through the power of Adobe Photoshop CS4. Add a whole lot of "mood" to an image by softening and increasing contrast, that also features a vignette around the focal point of your choosing. The beauty of this technique is that by using adjustment layers you can have full control over the final effect's strength and color. Create the perfect wedding photo and give...

How To: Make a "lomo effect" in Photoshop

Do you admire the look of vintage photographs? How about the production of the old plastic cameras like the Diana and Holga? You can create that same photo effect with your digital photographs through the use of Adobe Photoshop! In this video, learn how to create a faux lomography effect also known as the "lomo effect". By using Blend Modes and Adjustments Layers you can achieve a pretty cool effect that can be used on any photo!

How To: Correct colors in photos with Photoshop CS3

Need to color correct your photos and you're not sure how? In this video, the basics of RGB and CMYK colors are discussed as well as how to use them to color correct everything from everyday snapshots to portrait photographs. By using the eyedropper and the info palette to read the colors in the photos, you can then color correct. Based on the CMYK read out of the color sample targets, you can then adjust the color channels using a curves adjustment to achieve the kind of colors you'd like. A...

How To: Solve equations involving square roots

Equations involving square roots are difficult to solve because of the complexity involved in performing operations on the square root terms. But you can follow a series of steps to solve these problems easily. To solve these kind of problems first isolate the square root term on one side of the equation and the non square root terms on the other side of the equation. Now in the next step square both sides of the equation. This gets rid of the square root on the left hand side and the equatio...

How To: Prove some random trigonometric identities

This video shows the method to prove some trigonometric identities. This involves the use of algebra and knowledge of basic trigonometric identities. The video demonstrates three examples to illustrate this problem and its solution. The first problem shows a relatively simple problem involving sines and cosines. The video shows some basic algebra steps to simplify the problem and prove the identities. The second example involves a slightly complicated problem involving square of combination o...

How To: Change hair color in Photoshop the easy way

Open the Adobe Photoshop program. Choose a picture with a head shot. This maybe something that is already in your pictures folder on your computer, downloaded from the internet or transferred from your flash drives, and those photos you may have scanned and saved in your computer.

How To: Make Your Selfies Look Professional with This Simple Lighting Adjustment Trick in Photoshop Express

Picture this: You finally get that awesome angle, the perfect selfie. You can't wait to post it on your Instagram, except there's one problem — it looks a little flat and the colors just seem off. Maybe it's the lights? Or maybe your new smartphone camera isn't as good as you thought? How are your friends getting those beautiful photos they've been posting on social media?