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How To: Create an acid-base indicator using purple cabbage

Purple cabbage is a natural indicator and this video teaches you how to easily prepare purple cabbage in the comfort of your own home to be used as an acid and base indicator. Take one leaf of your purple cabbage, tear it into smaller pieces and place all the pieces into a beaker or bowl of boiling water for an hour. Collect the liquid from your mixture into a bottle. You’ll notice that the liquid is now dark blue or purple at which point is neutral. It is ready to be used as an indicator. ...

How To: Use a car jack to replace a tire

Everyone who drives should know how to use a car jack in case of a flat tire or blowout. Check your owner's manual to find out where your car jack and spare tire are located. In most cases, they are somewhere in the rear of the car. The video shows us how to use a telescoping jack, though the more common type of jack requires a scissor motion to raise the car and lifts from the side rail. The telescoping jack lifts from the axel and to raise the jack you need to insert the rod into the hole n...

How To: Solve percent proportions

A percent problem is one in which you are given a quantity and asked to compute the value of a percent of it. You may also be given the whole quantity and a part of it and asked to compute the percentage of the part in the whole. To do these kind of problems you need to use the rule which states that the ratio of the part to the base it equal to the ratio of the percent to hundred. That is part/base = percent/100. This comes from the definition of percentage which states that percentage is eq...

How To: Use a green screen for a website spokesperson effect

Tom of Videomaker teaches how to use the green screen to make a character appear in front of a set or to achieve the website spokesperson effect. Install a green screen in such a way that the fold at the corner of the wall and the ground is instead curved in order to create an even transition from the top to the bottom of the green screen. Build the base at the bottom part of the screen by weighing down the fabric at the corners and stretch it evenly. Light the green screen separately from th...

How To: Fold custom origami bookmarks from the square base

The ancient art of Japanese paper folding is broken down and explained clearly in this video. The video teaches how to create a beautiful bookmark of your own design from a simple single sheet of paper. The instructions use the square base as a jumping off point for showing you how to easily make a custom book mark. There are a few simple beginning steps, and after you complete those you will be able to fold and crease your way to a gorgeous custom origami book mark.

How To: Use the Location Bar (aka Awesome Bar) to Search the Internet Faster in Firefox 4

Getting used to your new Firefox 4 web browser? If so, you might have seen some improvements in the Location Bar. The updated features make browsing the web a cinch, so it's no wonder why more and more Internet junkies are calling it the Awesome Bar. It's faster and easier to use, and there's even some optional tweaks that you can employ to make your Internet experience smooth and effortless.

How To: Calculate stock value based on the value of future dividend cash flow in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 61st installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the value of a stock based on the present value of a future dividend cash flow.

How To: Take an acid and base to make salt

In this tutorial we learn how to take an acid and base to make salt. To start, you will first need to take an acid of your choice, this can be something like vinegar. After this, you will combine the acid with a base and then wait for it to react. Once it starts to react, gases will release from them and you will end up with some salt! Be sure to put a cap on the container while the reaction is happening. This will allow the reactions to come together and the gases to react. Have fun and do t...

How To: Decorate a ceramic lamp base

In this video we learn how to decorate a ceramic lamp base with Simon Leach. First, grab a small paint brush and then apply paint to it. Once you have this, start to paint your chosen design onto the pot. Painting a leaf or a plant will be the most appropriate for a large jar or lamp base. Use a brush that will move along the pot and create unique lines. Go all around the pot until your design is finished. Let this dry and then rinse your pot off when you are done. Let your personality shine ...

How To: Find the area of a trapezoid

In this video, we learn how to find the area of a trapezoid. The formula to figure out how to find the answer is: Area= 1/2x (base1 x base2) x height. Now, find the bases and the height of the trapezoid. Remember that the height must always be perpendicular to the bases. Once you have found these, add the bases and multiply by the height. You can use a calculator to do this or do it off hand if you're good with math. For the third step, divide the answer by 2 and then write down the answers w...

How To: Draw a parallelogram given base, angle & altitude

In this tutorial, we learn how to draw a parallelogram given base, angle & altitude. First, you will draw the base of the parallelogram, using your ruler to measure out the line. Next, you will draw a dotted line perpendicular to the line that you just drew that is 3 cm in length. Then, you will draw another dotted line on top of the one you just drew. This dotted line shows where the top of your parallelogram will be. Then take your protractor and draw it at the angle the problem gives you. ...

How To: Use node-based compositing in Adobe After Effects CS4 or CS5

This video presents an introduction to node-based compositing from the perspective of an After Effects User. Whether you're new to Adobe's popular motion graphics and compositing software or a seasoned video professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.

How To: Create a flying camera rig in Blender 2.4 or 2.5

Blender is really cool in that you can mix your modes of editing between projections of that video in 3D space, 2D-based compositing, and 2D-based mixing in the VSE, all at the same time. An über-cool idea is to use your video to texture something - a plane, or a sphere commonly, and then film that texture using the camera (orthographic or lens-based) to get all sort of very cool distortion effects. Whether you're new to the Blender Foundation's popular 3D modeling program or a seasoned graph...

How To: Play a blues guitar lick based on the A blues scale

Learn how to play a blues lick based upon the A blues scale. With the guitar, as with any other instrument, if you want to improve, you'll need to practice. Fortunately, the Internet is awash with free, high-quality guitar lessons like this one. For more information, and to get started playing this blues riff yourself, watch this video tutorial.

How To: Fold a paper crane from an origami bird base

Looking to add specimens to your paper menagerie? Make a folded-paper bird from a crane base using origami, the traditional Japanese art of paper folding. This free origami video lesson presents complete instructions for making your own cranes from a sheet of folded paper. For more information, and to get started making your own paper birds, take a look!

How To: Solve an interest loan problem for part/base in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 54th installment in his "Business Math" series of free video lessons, you'll learn how to solve a simple interest loan problem for part, base, or rate.

How To: Set-up your Gmail account with Outlook

lakercoolman shows us how to set up our gmail account with this quick tutorial. Basically outlook express is a program that helps us to organize our email with added features such as contacts, to do lists and calender entries. Its an offline email client that allows us to work offline and also lets us set up exchange servers aswell. Ohter email servers such as hotmail and yahoo charge for thios service but the advantage of gmail is that IMAP or POP access is free. in ofer to set up, navigate ...

How To: Make a tech deck quarter pipe

This video shows you how to make a tech deck quarter pipe. You will need the following materials: wood pieces, cardboard, a small metal bar, glue, and scissors. The first thing you will need to do is cut out the base, this requires cutting out three equal parts (as seen in the video). The base pieces are then glued onto a back board for support. Small slits are then cut in each base to allow space for the metal bar. Glue the bar onto the base, making sure that only the bottom of the bar gets ...

How To: Create a personal budget based on past data in 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 154th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a personal budget based on past data via the SUM function, cell references, subtraction and the VLOOKUP function.

How To: Draw a simple boat

This video helps you to draw a boat. First draw the base with double lines. Then draw a cabin and a wheel. Next draw small circles on the base. Now paint the entire lines with black. Next draw spokes on the wheel. Shade the base of the boat with a lighter brown color and over-coat it with a dark brown. Paint the cabin with orange and brown color as shown in the video. Give a dark brown to the outer area of the circles in the base and fill the inner areas with black color. Give a white line to...

How To: Find the area of quadrilaterals

Parallelogram is a quadrilateral in which both pairs of the opposites are parallel. To find the area of a parallelogram first draw the diagram of a parallelogram. Parallelogram can be further divided into squares and rectangles. To calculate the area of both of these kinds of parallelograms multiply the length of the parallelogram with its height. In general the area of a parallelogram in obtained by multiplying the base of a parallelogram with its altitude. In square and rectangle cases, the...