Kevin Rose is joined by John Todd, a well known, leading Asterisk expert, to introduce you to the amazing VoIP (Voice over IP) world of Asterisk, the open source voip telephony toolkit. In this episode, Kevin and John take you through the installation and configuration of this powerful tool, and show how it can be used to give anyone complete control over their phone experiences, such as voice over wifi, eliminating phone costs, choosing from hundreds of VoIP providers, creating your own voic...
HTPC. It stands for Home Theater PC. Some refer to it as simply a Media Center. But no matter what you call it, you're going to learn how to build one today. Why would you want to do that? Because one of the main advantages of creating your own home theater system is that you are control, not only of the cost, but the features and functions, as well.
Instead of using Photoshop, why not give Apple's Aperture a try? Aperture is designed more for post-production work for professional photographers, letting you cull through shoots, enhance images, manage massive libraries, and deliver stunning photos.
This video tells us the method of interpreting derivatives of marginal cost and revenue. If C(x) is the cost of producing x units of a product, C(400) would be the cost to produce 400 units. Now marginal cost is the cost of producing one unit which is equal to the derivative of the cost function or C'(400) which is equal to limit of h tends to zero or lim h->0 [lim(400+h)-lim(400)]/h which is approximately equal to [lim(401)-lim(400)]/1. Similarly, if R(x) is your revenue function, marginal r...
If you're looking for a low cost solution for a portable hamstick antenna pole for your ham radio, then check out this video.
In this video, we learn how to back out the tax from a receipt. If you have a receipt where you see how much you paid and know the tax rate, except you want to figure out the cost of the item before the tax. First, take the cost of the item including tax and what the tax rate is. To figure out the original price, let x equal the cost of the item. Add the tax to the cost of the item which will equal the cost you paid. Perform the equation 1x+(tax rate)= (total price). After you figure this equ...
If you play Elder Dragon Highlander, the awesome Magic: The Gathering variant, check out this video for a guide to building a cat-based deck that will ravage people. Cat attack! If you haven't played EDH, check out the link above and come back.
Gmail is the incredibly popular, powerful, and free email program that Google offers, and stock, it works really well. It has all kinds of setting that you can change to make it work better though. This video features veteran Google video maker Matt Cutts walking you through his Gmail settings, explaining ways in which he has optimized it to work for him in order to give you ideas for improving your own Gmail experience.
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 48th installment in his "Excel Business Math" series of free video lessons, you'll learn about the basics of markup on cost and markup on selling price. Markup on cost uses the base cost. Markup on selling price uses the base selling price.
The Eldar can be the most powerful army in Warhammer 40,000 if used properly, but using them right is easier said than done. In this video you'll learn how to make a really awesome 1750-point Eldar army that will mop up any other army in the game.
If you're looking for new ideas for powerful Yu-Gi-Oh! decks, you've come to the right place. This video is one of many on Wonderhowto detailing deck construction in Yu-Gi-Oh!, and it will teach you how to make a powerful Destiny Hero deck.
The holiday season is now in full swing, which means you should be prepared for serving large crowds and dressing your house to the nines for the occasion. While you may think this would cost you a lot of money, it actually doesn't take much to throw a fun party.
In this free video language lesson, you'll learn how to ask how much something costs in perfect Spanish. Interested in learning Spanish but haven't got the time to take a weekly class? No problemo! The Internet is awash in free, high-quality video lessons like this one. For more information, and to get started using this phrase yourself, watch this helpful video guide for Spanish students.
The NERF Reactor isn't you're ordinary NERF gun. It launches a powerful blast of balls thanks to the pump and pull rapid fire action. The Reactor launcher blasts out tons of NERF Ballistic Balls everywhere! But sometimes, that's just never enough.
There are an infinite number of things that you can make out of K'nex. A disproportionate, but entertaining, number of these are toy guns. This video features an innovative design for a powerful K'nex (it also has a rubber band in it) gun that shoots small K'nex pieces across a room accurately and with a lot of power. It may not look like a gun, but it works!
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 47th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to calculate total plate cost for a print shop using the VLOOKUP function. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.
Kipkay shows you how to make a powerful flashlight for under ten dollars. To finish the flashlight off you can paint it with black satin paint.
One of the leading chipmakers for smartphones is getting ready to announce a new processor made specifically for augmented and virtual reality headsets.
Use the Spot Healing Brush Tool in Photoshop Elements 9 to remove power lines, trees, cars, even your Aunt Marge. If it's in the picture and you want it out, this simply tutorial will show you how to do it.
Adobe Fireworks is a powerful vector graphics editing tool for creating Flash websites. It has many powerful functions, just one of which you will learn how to use here. This video explains how to make slideshows (or image galleries for the web-savvy) that will display on your website. Making slideshows in Fireworks is easier than doing so in some other programs, so if you're lucky enough to have it watch this video and then get those photos organized!
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 49th installment in his "Excel Business Math" series of free video lessons, you'll learn how to make calculations for markup on cost 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 325th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a formula that takes a fixed daily cost and calculates the monthly total for months with different number of days.
MIT's mascot, though called a brass rat, is actually a beaver. With the huge cost of the class rings, every MIT student (and those who didn't make it in) can make their own for just the cost of a square piece of paper. Watch this video origami tutorial and learn how to fold MIT's mascot the brass rat beaver out of a piece of paper.
While Vuzix is beefing up the processing power of its next-generation smartglasses with the Qualcomm Snapdragon XR1, the company will also give its devices an upgraded display engine.
This video demonstrates how to calculate shipping costs with UPS. UPS provides an easy-to-use online calculator to help customers accurately estimate shipping costs. By following a few simple steps, this tool can help customers control their shipping costs and avoid confusion during the billing process.
If you've got an extra DVD drive laying around not being used, watch this video and learn how to give the lens new life—as a powerful macro lens for your camera phone! You'll be able to take incredible pictures on your camera phone using this clever mod.
When you're under warrantee for some electronic gadget, everything comes up butterflies and rainbows. But once you're off the warrantee, fixing a broken Blu-Ray lens on a PlayStation 3 can cost you upwards of $300. Rather than give up on your pretty video game console, why not attempt fixing it yourself?
Weddings are super expensive these days and can cost as much as a new car - seriously. The average wedding costs about $27,000, so you want to save money where you can, right?
On average, a wedding will cost you $27,000. If you want a designer gown, that'll probably rack up to about $30,000. So it's advisable to cut costs wherever you can.
In this tutorial, we learn how to build a greenhouse to grow flowers or vegetables. A greenhouse means the growing season doesn't have to end. You should plan the greenhouse out on paper before you begin, and allow space for walkways, location, and more. Make sure you can afford one and know that it will cost more for you to keep the climate in this preferable to grow plants. You can put a number of different glasses on the greenhouse, so pick which one you can afford and prefer the most. Pla...
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 285th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate a sales price given cost and markup on said price.
This is a tutorial that will show you how to create a powerful bow and for under $5. The material you'll need is 1 curved pipe, poly poli string, tape, scissors, and a knife. First you want to cut a slit and a hole on each end of the pipe and then add some tape underneath it to prevent it from splitting. Next, you want to line up the string with the pipe and cut it at that length. Also, you want to tie a knot at both ends of the strings and attach it by using the slits you made in the pipe. T...
Just because fixed rate mortgage rates have dropped to historic lows doesn't mean that you should automatically refinance. With the economic climate you might not be able to refinance because many banks have tightened the rules for refinancing. As for who is eligible, you will need a 700-720 on your credit score to get the best rates. To refinance at all you need at least a 600. Generally it is worthwhile to refinance if you can save at least a half point off of your current rate. But you do ...
This video shows you how to calculate weighted average cost from a transactional data set using SUMPRODUCT function. It explains things very clearly. If you're working with a very large database transactions the SUMPRODUCT function makes it. It works as text if you do the formatting first and then type the number. We put the number in first and then format as text, then press F2 and ENTER.
Whether you use electricity, natural gas or heating oil, there are many practical steps you can take to reduce your overall heat consumption and energy bills. In addition, multi-fuel stoves and fireplaces are fast gaining popularity as alternatives to traditional heat sources. Watch this video home improvement tutorial and learn how to lower the cost of home heating.
While not an ideal video editor, QuickTime Pro can, in a pinch, be a flexible, powerful (and not to mention cheap) expedient. In this how-to, Gary Rosenzweig takes a look at the simple but powerful tool QuickTime Pro and how it can be used to edit and compile video.
Learn how to say "How much does this cost?" in Spanish.
jQuery is a popular and powerful Javascript that is easy to use and heavily extensible. Have you wanted to learn how to use it, but lacking in the Javascript skills expected of you by many tutorials on the subject? This video for beginners will introduce you to the basics of using jQuery, from downloading it to making your first projects. Now you can take advantage of this powerful library to make your websites more dynamic and increase traffic.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
If you're a steak lover then you know you have to whip out a nice portion of your paycheck to get a quality steak, especially if you're at a five-star restaurant. But with steaks costing upwards of $70 a piece, why not just make some at home to save your hard-earned cash?