Plugging Search Results

How To: Build a Wireless Energy Transfer Array to Power Light Bulbs Without Plugging Them In

In this article, I'll show you how to built a Wireless Transfer of Energy Transmitter. Simply put, this device will send electricity to a florescent light bulb and light it up, from up to three feet. The idea originally (at least, prominently) came from Nikola Tesla (read more about this amazing inventor here), who used his Tesla coils to transfer wireless energy to light bulbs in demonstrations (photo below). However, the circuit described in this article consists of a flyback transformer, n...

How To: Lock and prevent an extension cord from unplugging

This video tutorial is in the electronics category and it is going to show you how to lock and prevent an extension cord from unplugging. When you plug in an extension cord, there is always a chance it getting undone accidentally. There is also the possibility of the pins getting slightly bent. So, you need to lock the extension cord. There is a real simple way to do this. All you got to do is just tie a simple knot before plugging in the cord. Now even if someone pulls at both the ends of th...

How To: Make the most out of the iPhone MMS feature

There's a lot more to the new iPhone MMS than simply taking a picture and sending it to someone. This video blogger shows you how to make the most of the new MMS feature. If you haven't updated your iPhone yet to get MMS, you can do so simply by plugging your iPhone into iTunes and downloading the update.

How To: Fix an e74 error on your Xbox 360 easily

In this video tutorial, viewers learn how to fix the E74 error on an Xbox360. Begin by unplugging all the wires on the console except for the power cord. Then turn the system on. Now wrap the Xbox360 with 1-2 towels and let the system heat for about 30 minutes. Make sure that there is no disc in the hard drive. Then unwrap the system and turn it off. Let the console cool for 15-20 minutes. Finish by plugging back the cables and turn on the system. This video will benefit those viewers who hav...

How To: Graph a parabola properly in vertex form

This video shows viewers who are interested in mathematics how to graph a parabola whose formula is displayed in vertex form, or the form y=a(x-h)^2+k, where the vertex is (h, k). After determining the vertex, plot it on your graph. After graphing your vertex, your axis of symmetry would be x= h, or the x-coordinate of your vertex. The a value in your equation will act as your slope in this case, and your should graph the two points which correspond to this slope on your plot 1 unit away on e...

How To: Make an emergency microphone from a pair of headphones

In this video tutorial, viewers learn how to make a microphone with a pair of headphones. Headphones have properties and construction similarities that are similar to a microphone. Instead of plugging the headphones into the headphone jack, plug it into the microphone jack. Then you just simply hold your headphones up to your mouth and speak into it. The sound quality produced from the headphones is not very good and it should only be used if you don't have a microphone. This video will benef...

How To: Amplify a ukulele

Interested in amplifying your ukulele? Provided your ukulele has an electrical pickup, it's quite easy. And this free video ukulele lesson from Live Ukulele will show you how it's done.

How To: Fix a wet laptop

How were you supposed to know your computer can't swim? Isn't it called a laptop? You will need paper towels or lint-free cloth, cotton swabs, a towel, lots of luck, and professional help. Warning: liquids and electricity don't mix. Please make sure your hardware and all points of electrical contact are completely dry before plugging them in.

How To: Plug the vinyl turn table into a mixer

Check out this instructional DJ video that demonstrates how to attach the vinyl turn table into a mixer. In this video for the totally new DJ, learn where to plug the RCA cables (or phono plugs) from a Vinyl turntable into a DJ mixer. Discover the proper way of plugging your equipment in by watching this DJ tutorial video.

How To: Connect a computer to an HDTV using an HDMI cable

In this video, we learn how to connect a computer to an HDTV using an HDMI cable. Start out by plugging your HDMI blue port in the back of your computer monitor. Also, plug in a yellow DVI to HDMI converted with a cable connected to this. You can buy these on Amazon or New Egg for only a few dollars, get the generic version. After you have these plugged in, it's as simple as that. Plug these into the back of your television, then use your computer. You will now see the screen of your computer...

How To: Move music from an iPod to a Mac without software

In this video tutorial, viewers learn how to transfer music from an iPod to a computer with using any software. Begin by plugging the iPod device into the computer. Then go to My Computer and open the Folder Options. under the View tab, check "Show hidden files, folders and drives". Now open the iPod device's drive. Click on iPod Control, select Music and copy all the files located in that folder. Those files are the music files, but they do not display the music names. This video will benefi...

How To: Change icons in My Computer

In this video tutorial, viewers learn how to change an icon in My Computer. Users will need to already have a picture of the icon that they want to change to. Begin by opening the drive. Right-click anywhere, select New and click on Text Document. Name the document "autorun.inf". Right-click the text document and open it with Notepad. In the document, type in:

How To: Record voice overs in Corel VideoStudio

In this video tutorial, viewers learn how to record voiceovers in Corel Video Studio. Begin by plugging your microphone into the computer and open the program. Click on the Audio tab and click on Record Voice under your audio media library. A dialog box will appear that allows you to test and adjust your microphone. Begin speaking into the microphone. If you can hear yourself and see the yellow bars move, then your microphone is working properly. Now click on Start to begin recording and clic...

How To: Fix a computer that doesn't power up or has no power

This quick video tutorial will show you how to fix a computer that has no power. If your computer won't power up, follow these steps: Check the back of the computer to make sure the power cord is plugged in, and check the other end of the cable to make sure it's plugged into your power strip, and that the power strip is turned on. Try plugging your computer directly into the wall. Check the switch at the back of your computer to see if it is in the 'off' position. Unplug the power cord. Hold ...

How To: Graph an equation in standard form

This video shows you how to graph an equation in standard form. In easy to understand instructions, you will learn how to find the x and y intercepts in order to put those two points on a graph, creating a line. Finding the intercepts is as easy as plugging in zero and solving for either x or y. This creates an ordered pair, which can then be graphed. The points are plotted easily on a Cartesian plane, which completes the problem.

How To: Derive a quadratic equation, given the roots

This video shows you how to get the quadratic equation for the quadratic function with roots; (5,0), (12,0) which passes through the point(8,6). It shows a man solving this problem using a black board and chalk to clearly demonstrate the method of plugging in the respective coordinates to arrive at an answer. After watching this video, any person over the age of twelve will know how to use quadratic functions to derive quadratic equations and solve mathematical problems with this particular m...

How To: Calculate simple interest

Learn how to calculate simple interest with step-by-step instructions using the formula I=prt. Simply defined, interest equals principle times rate times time. The video shows various examples of calculating this formula by plugging different variables into the equation. Although, these calculations can seem hard to follow, the way they are presented is straightforward and simple to understand. The video also explains converting percentages to decimals, which is the cornerstone of applying th...

How To: Find the midpoint of two points using formula

Find the midpoint of two points using a easy formula. Each coordinate has a x and y. X being the first number and y being the second number. So using the formula of x one plus x two then divide the sum by two. Using the same formula with the y coordinates. After plugging the numbers in the formula add the two x coordinates and divide by two. If you follow the same steps for the y coordinate take the two numbers and you have the midpoint of your two coordinates.

How To: Find the volume of a cone quickly

For people who are interested in math or who need to know how to find the volume of a cone for any reason, whether it be homework or architecture, this video will show you how to do so. The formula for finding the volume of a cone is (1/3) pi x radius^2 x height. You can find the radius of your cone by finding half the length across the center of the circle which is the cone's base. After plugging in all the values into this equation, you will be able to find the volume of any cone when given...

How To: Use a usb flash drive as ram in Windows XP

In this video tutorial, viewers learn how to use a USB flash RAM in a Windows XP computer. Begin by plugging the flash drive into the computer and do not remove it when it is being used as RAM. Then click on the Start menu and click on My Computer. Right-click on the flash drive and select Properties. Name the drive, RAM drive and click OK. Make sure that there are no files or folders in the flash drive. Now right-click on My Computer and select Properties. Click on the Advanced tab and click...

How To: Use the substitution method to solve problems

This video teaches you how to use substitution to find the point on a graph (the x and y coordinates) where two separate equations would cross. Substitution is a trick of algebra that allows you to find this point without making a graph. The first step is to isolate one of the variables (x or y) in one of the equations. That way, you know that that variable is equal to everything on the other side of the equals sign from it. You can then take that whole side, and substitute it into the other ...

How To: Isolate a variable

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying.

How To: Plug the data cable into the Samsung Galaxy Tab

Okay, so you might not need a how-to for this one, but nonetheless, just in case, here you go— plugging in the data cable to your Samsung Galaxy Tab. It's basically the same way you plug in all mobile devices these days, and it's just like any other Android tablet, so you should be able to do it with little difficulty. Just don't force it in, or you risk damaging it and your device.

How To: Diagnose Your Car's Check Engine Light Using an Android Phone

Whether you're a professional mechanic, a hobbyist, or someone who just wants to know why their check engine light came on, your Android device and an OBD-II adapter can provide insight as to what's going on with your car. Most adapters sell for less than $10, and once you plug it into your vehicle, you'll just need a good app to help you make sense of all the data it can gather.

How To: Restore your iPhone or iPod to factory settings

This video tutorial shows you how to restore your iPhone or iPod to factory settings or to restore it to a specified firmware update. First you are shown how to enter the DFU mode or device firmware update mode on your device. Download the specific firmware you wish to restore to and make sure you already have iTunes installed as well. Open iTunes and connect your device to the computer via USB by putting it off and holding the home button while plugging it in. Click OK on the dialog that pop...

How To: Share Wi-Fi Adapters Across a Network with Airserv-Ng

If you want to carry a variety of network adapters without looking suspicious, a perfect solution is accessing them through Airserv-ng. Tucked away in the Aircrack-ng suite, this tool allows a hacker to plug any number of network adapters into a Raspberry Pi and access them over a Wi-Fi or Ethernet connection.

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