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How To: Use gentian violet to reveal latent fingerprints

This video would be very interesting for those seeking careers or those interested in the field of criminal science. This field involves forensic science. The video explains to us how to use gentian violet in order reveal latent fingerprints. He explains to us the experiment he is about to do before he does it. Genetian violet is a type of dye solution that can be very helpful in retrieving fingerprints. Safety goggles and gloves should be worn at all times.

How To: Change screen resolution & refresh rate in Windows 7

This movie shows you how to easily change screen resolution and the refresh rate in Windows 7. The first thing you have to do is to right-click anywhere on the desktop and then click the 'Screen Resolution' item. If you have multiple displays, select the display which resolution you want to change from the pop-up menu in the 'Display' field. Next, select the preferred resolution from the pop-up menu in the 'Resolution' field. To change your display refresh rate, you have to click the 'Advance...

How To: Sharpen your machete in the bush

This video explains the Machete field sharpening. This sharpening method is very easy for sharpening the knives and blades. The man in the video is explaining a sharpening method using a new machine which uses microwave for sharpening thick and hard knives. By using a dynogram and adjusting the microwave the knife can be sharpened. The process of sharpening is by just touching the dynogram through the flattened edge of the knife. This is a very easy process for sharpening the knife. He is als...

How To: Share data between client JavaScript and server code

In this video tutorial, Chris Pels will show how to share data in between JavaScript and server-side code by using a hidden field in an ASP.NET page. Next, learn how to use the RegisterHiddenField method in server-side code to programmatically create a hidden field on the client. In addition, see how to programmatically create a HiddenField server control for sharing data on an ASP.NET page. Finally, use the RegisterArrayDeclaration method to create a container in server code for storing mult...

How To: Fake a depth of field using Photoshop

If you want to learn how to add a fake depth of field in Photoshop this is for you. First start off with a picture that has clarity throughout the picture. The first thing to do is add another layer. To do this you must grab your first layer and drag it to the bottom right where it says new layer. You will now have two layers to choose from. The next step is to blur the top layer of the photo. To do this select the top layer go to filter at the top of your window and scroll down to blur. Sele...

How To: Monitor another computer screen with Real VNC

If you want to know how to monitor another computer screen with Real VNC, you must watch this video. Install Real VNC in your computer and computer that you're going to monitor. Remember the folder where you installed it and check the "Create a VNC Viewer desktop icon" checkbox. Write on a paper the IP address of the computer that you're going to monitor. On the VNC Server Status window, click Configure button. On the Authentication field, select VNC password and on the Encryption field, sele...

How To: Grow lavender provence in a container

We know that spring seems ions away, but if you're a gardener then it's time to begin thinking about what flowers you'll be planting to bloom during the spring. If you don't have much garden space but would love a very fragrant bloom, check out this video to learn how to grow lavendr provence in a container.

How To: Build your own DIY police taser for your film

If you remember in the Hangover, there was an incredibly funny scene where the guys were stuck getting out of going to prison by helping the officers demonstrate a police tazer in front of a group of kids on a school field trip. If you've ever wanted to make your own prop police tazer for one of your films, check out this hilarious and informative video! In it, you will learn how to create your own police tazer!

How To: Sign up for the right acting classes in Hollywood

There are many different acting classes available in Los Angeles, so how do you know if you are taking the right type? Don't get stuck with a bad teacher, or learning the wrong method for your chosen field. This tutorial, hosted by actor Shaun Pilkington, will walk you through a few insider tips for choosing the right mentors. Follow along, practice your skill and make your Hollywood dreams come true.

How To: Get started on Facebook

In this video, Bea Fields will show you exactly how to set up and use a new Facebook account. Facebook is an awesome social networking utility that can keep you in touch with friends, family and other loved ones. If you have never used this online utility before, check out this video and get started. You will be on your way to thousands of "friends" in no time.

How To: Calculate density altitude when you are flying

In flight school, at some point or another you will be asked to determine your density altitude. In this professionally taught tutorial, lean how to calculate density altitude on a flight computer. This lesson is taught by an instructor from the Golden State Flying Club at Gillespie Field in El Cajon, California. So, if you are just beginning to fly, check out this clip and make sure you know all there is to know.

How To: Use the camera tools in SketchUp

If you've ever wondered how to get more precise views of your model, The Sketchup Show episode #12 is for you. Alex covers the three basic "camera" tools in SketchUp, and explains how you can manually adjust view settings for the height and field of view of your SketchUp camera.

How To: Unlock a Hidden Network Strength Meter for Your iPhone's Status Bar

The horizontal dotted icon in your iPhone's status bar serves as an indicator of your device's network strength. And while it does help provide an approximation of how strong your signal is, swapping it out to display an actual numeric value is a lot more precise and can change up the look of your iPhone (or at least the status bar). The process is quick, painless, and you don't even need to jailbreak your phone.

How To: "Find & Replace" Text Directly in Your Web Browser

I'm sure you've been there—halfway through typing something out, you realize that one word you've been using more than any other has been misspelled. Perhaps it's a single word, acronym, or line of code that you find yourself typing quite often at work, but this one requires complicated hand gymnastics that you'd simply rather not perform over and over again.

How To: Get widescreen videos on YouTube

In this Computers & Programming video tutorial you will learn how to get widescreen videos on YouTube from normal videos. This can be done in Sony Vegas Movie Studio. Go to project > properties > video. Here you set the template width to 640, height 360, frame rate 30, field order as none, pixel aspect ratio to square, full resolution rendering quality to good and deinterlace method to blend fields. Next you save this template for future use and click apply. One of the quickest ways of conver...

How To: Take on blocks with Donnie Edwards

Donnie Edwards is one of the premier linebackers in the NFL. In this video, he teaches some young linebackers how to take on a block from a offensive lineman properly, allowing you to get more penetration when rushing the quarterback or get to the runner if attempting to make an open field tackle.

How To: Teach Mental Tips to Young Baseball Catchers

The catcher is the player on the baseball field on whom the most difficult mental and physical demands are placed. They have to squat for long periods of time, defend the plate from slides and, most importantly, call the game for the pitchers. This video teaches you, as a youth baseball coach, how to train your catcher's mind to make them better at calling games and improve the performance of your whole pitching staff.

How To: Average with the MONTH function in Microsoft Excel

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 90th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll see a complicated average calculation with multiple criteria using the MONTH function on a date field. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.

How To: Text message with the Samsung Galaxy I7500

This video will show you how to send a text message with the Samsung Galaxy I7500. Just follow these simple steps to start sending text messages from your Samsung Galaxy I7500: From the home page, tap the messaging icon. Select "New Message" Tap the "To" field and enter either the name or the number of the person you wish to send a text to. Type in your message, and when you are done, tap the "Send" key.