A rocket stove is a "rocket" combustion approach to preparing meals, which provides high combustion efficiency and efficient heat transfer to the cooking pot. Research suggests (through practical experience) that by using a rocket stove, you could save at least 50% of fuelwood, which is a significant savings for anyone's financial situation.
Given a function, you can easily find the slope of a tangent line using Microsoft Excel to do the dirty work. That is to say, you can input your x-value, create a couple of formulas, and have Excel calculate the secant value of the tangent slope. This is a fantastic tool for Stewart Calculus sections 2.1 and 2.2.
What's the easiest way to keep track of your website passwords? Maybe in a password-protected document on your computer? Makes sense.
Someday, maybe not today, maybe not tomorrow, but someday, you'll find yourself on the road in your car, maybe on the highway, and you'll hear something.
In this tutorial, learn exactly how to make a PDF file reader using Visual Basic 2008. This is really easy and will allow you to view, send and receive PDF files on your computer.
In the pre-release version of Minecraft 1.8, it is possible to craft iron bars from iron ingots and use this to create iron fences for your buildings and creations in the game. This tutorial will show you what you need to do to craft them and what it looks like when it's installed.
All new Apple Macs are NOT coming with Adobe's Flash plug-in pre-installed, meaning you'll need to do it yourself to get the most out of your internet browsing experience.
By loading Boxee onto your AppleTV, you can use it to watch content from Hulu, Comedy Central, CBS and other streaming TV websites. You can also play Internet radio, listen to your mp3s and view your photo library without ever having to go near iTunes. All you need is a patch stick with the right program installed, run it, and then update the Boxee software from the Apple TV system.
In this clip, learn how to change out the seat on your beach bike. This clip will show you exactly how to take that tough, standard seat that comes with your new bicycle and change it out with a comfier, better seat. The difference between a bumpy ride and a relaxing one is all in the seat cushion, so make sure you have one installed that best fits you.
In this tutorial, Pete the bike mechanic, explains how to install a back rack to your bicycle. Especially if you are taking your ride to the beach or around town, you will need to carry things with it. Whether it is lunch, towels, groceries or whatever else, make sure you have a nice sturdy carrier installed to help out. Follow along and stay safe while you ride.
Post-mount brakes are just one of many types of brakes that can be installed on a mountain bike. This video features detailed instructions on how to set up a post mount brake on an IS mount, making your mountain bike stop like Deepwater Horizon spill refuses to. It is a complicated process, but a rewarding one.
Facebook privacy has been a big issue in the news lately. You can never be too careful when you put your information on the Internet. In this tutorial, learn how to download a very cool new application for Firefox called "Facebook Privacy Scanner". This tool is installed in your Firefox browser and helps you stay on top of your Facebook and information.
To get started using your iPod, you'll first want to put some of your music on it. You'll use iTunes to manage your music and video. If you don't already have the latest version installed on your computer, you can download it for free.
Mousey the junk bot is a light sensing robot made out of an old computer mouse. Bre Pettis of Make Magazine goes over how the pieces are installed and talks about some mistakes that he wishes he could have avoided. This project requires a drill, a dremel, and soldering skills.
If you're scared of using public Wi-Fi networks with Firesheep out and about, then maybe you should fight back. Don't switch to another web browser— keep using Firefox safely with the help of a new Firefox Add-on that combats Firesheep's password stealing capabilities. It's called BlackSheep, and when installed and running, it will alert you whenever Firesheep is active on your network connection.
In this tutorial, we learn how to download mathematical applets using Wolfram Alpha. First, go to the website Wolfram Demonstrations. Once on this site, use the search bar to type in whatever topic you are interested in, and press enter. After this, you can scroll through and see several different applets. Next, you can click "watch web preview" to get a brief idea of what the applet does. When you find one you like, download the Mathematica Player, which you will only have to download once. ...
In this video tutorial, viewers learn how to remember Windows Explorer positions. Users will need to download the Shell Folder Fix program provided in the video. Once downloaded and installed, the program will remember the position of every Windows Explorer window that is opened. Now whenever ever the user opens that folder in the future, it will be displayed in the same location as before. There are also some additional features to the program such as: displaying the windows title and saving...
In this video tutorial, viewers learn how to use Flickr photos in their screen-saver. This task can only be done on the Windows computer. Users will need to download the program from the website provided in the video. Once downloaded and installed, there is an option in the Screen Saver Settings. Users are able to take photos from specific users or groups, or can search through tags and contacts. Further options include selecting the size of the photo and delay between switching the photos. U...
In this video, we learn how to find your Windows product key. Start off by going to Magical Jellybean Keyfinder. This website has a download that will find your product key for your Windows program. This is a great and necessary tool if you happened to loose the product key that came with your computer. This is also great for computers that already had Windows installed, and you never had the product key in the first place. Once you install this on your computer, you just open it up on your d...
In this video, our author, KRASHARPSHOOTER, shows us how to install a TechT Lightning Rod. First we remove the screw on the underside, and turn it over and remove the four base screws. Now lift up on the piston housing and remove it. Then, remove the nut and the tension guide. Now you can remove your ratchet axle and rod. Now remove the pin that hoods the ratchet rod and axle together.
This video shows us the method to rotate a video clip using iMovie HD. Go to iMoviePlugins and download Turn Clip from it. Also make sure you have iMovie HD installed. Now add the video clip to the timeline. Go to the editing tab and choose Video FX and CFX enhancements. Choose Turn Clip from the resulting window. Now set the rotation angle. This can be configured to 90 degrees or 180 degrees. Click on 'Apply' and the software will render the rotation on the timeline. When everything is done,...
This tutorial from LoadedNewsletter's Jonathan Jelkin gives a simple process on how to prepare H.264 video footage for quick editing. H.264 video footage is shot by popular cameras such as the Canon 5d/7d, Flip cam, GoProHD. This is a great format for straight upload to YouTube, but if you want to edit you need to transcode it to something else. The first step is to download and install a free program called MPEGSTREAMCLIP. Once it is installed you can process all of your files by loading the...
In this tutorial, learn how to jailbreak your new iOS 4 on your iPhone or iPod. This jailbreak will let you take advantage of cool new features including the huge app superstore: Cydia. Enjoy!
How to use Home Sharing in iTunes 9 to transfer music files to another computer. First make sure both computers have iTunes version 9 installed. To check this go to the iTunes 9 menu next to file in upper left and select the about item. On windows machines this will be in the help menu. In the computer with the music files we need to make sure the iTunes library is nicely organized. Again go to iTunes menu, this time open the preferences menu, and advanced icon. Check mark both sections "Keep...
This video shows PC users how to download Google Earth. To do this, first open up an internet browser (Internet Explorer, Mozilla Firefox, etc.). Go to the Google homepage and type 'Google Earth' into the search box. Press enter. Click on the link at the top of the list, which should be named 'Google Earth 5.0'. Click on the blue bar that says 'Download Google Earth 5.0' on it. A page will load with the terms and conditions of using Google Earth. Read them, then click 'Agree and Download'. A ...
In this 14th video in a series about JAVA game development, "thenewboston" (Bucky Roberts) explains how to redefine your screen to avoid annoying flickering. Flickering in JAVA games often occurs because of time lags as the viewer watches the computer draw a new screen, pixel by pixel. Pre-installed code in JAVA can be used to eliminate this problem by taking advantage of "Buffering" and "Page Flipping". These functions permit you to delay the composition of a new screen until it is finished,...
This video describes what is known as the dashboard, which is located in the dock on the Mac desktop. The dashboard is a set of small programs known as widgets that let you see information at a glance. Some examples of useful widgets are a clock widget, a calendar, a calculator, a dictionary/thesaurus, and a Google search widget. You can bring them up at any time by simply clicking on the dashboard icon. If you want to add a new widget, click on the plus sign at the bottom of the window and y...
This video shows you how to use Skype on your iPhone 3G or 3GS. As you know, Skype (from app store) can only be used on wifi. This video shows you how to use 3G Unrestrictor (from Cydia) so that you can make calls using Skype on 3G. Combine this with Backgrounder (Cydia app) and you can now make and receive calls anytime and anywhere.
Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED.
In this video, we learn how to test Adobe Flash, Shockwave, Acrobat & Java. First, see if you have Acrobat Reader installed and working properly by reading this PDF. If you have it installed properly, you will see a PDF with a configuration guide. To see if Shockwave works, go to: Shockwave. If working properly, you will see a "create, see, about" link, not one asking you to install it. Last, to test Java you will go to: Java Test. If you have installed this properly, you will see an animatio...
Go to the Menu and click the Start button. Now select Control Panel. In the Control Panel, you can see the Option Programs. Now you can see Uninstall Programs in small letters below the Programs option. Click on Uninstall Programs. Here you can see the list of programs installed, when they were installed, what is the size of the program, and which version of program is installed. To uninstall a program, simply click on the program you wish to uninstall. Some options get displayed above the ta...
First of all you have to go to Adobe. You have to hit on the button that says "get adobe flash player". Now you have to hit the button "Agree and install now". Now you have to click on 'save file ' tab. Once the download is finished then you have to click it to open. Then hit 'run' tab. You have to make sure that you have closed all programs running on the computer before doing this step. Now this program shall be installed successfully. Once installed you have to click on 'show details' and ...
MacIsTheGeek explains how to quickly and easily run Windows software natively on the Mac, without installing an emulator, or using BootCamp. The software that enables this, called Darwine, is available as a free download from Softpedia. Darwine comes with Notepad, Minesweeper, Explorer, and various other Windows programs for use as demos for Darwine. However, once Darwine is installed, using any other Windows application is as simple as installing the executable file on your Mac hard drive, j...
Initially, you are directed to the control panel where you will navigate to your existing connected devices. You are then directed to the appropriate software to install the PS3 controller to your computer. Daddyezee then shows how once the appropriate driver is installed, you will see the program in your start menu program groups. If that does not work, or the controller freezes, you are presented with another program to facilitate the original install. You are then presented with an illustr...
In this tutorial the author shows how to find, download and install Firefox 3. He points out to the Mozilla Firefox website which is [www.mozilla.org/firefox]. Now you reach the Firefox web page where there is a link to download the browser. After clicking the link you will be prompted to save the file and now you can download the software. Now after the software gets installed the author guides you through the various steps to get Firefox 3 installed. He also shows how to transfer settings a...
Having a garage door opener installed makes life much easier for you and your family members. With so many garage doors out there, opening it by hand can be difficult and result in serious injury. Having an opener installed, helps prevent any injuries from taking place and won't be a burden on your body. So check out this tutorial to find out more. Enjoy!
A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.
If you're interested in upgrading your RAM for the Samsung NC20 netbook, this video shows you how. This simple to follow video gives you a quick and simple way to make changes to your netbook. The only tool that is required is a small screwdriver.
Macheads demonstrates how to install wine on mac. What is wine? Wine allows you to run and install windows program on Intel based machine. This program will work only on Intel and wont work on power PCs,unfortunately. First, we have to install macports which is something similar to installing unix programs on mac. The following are a bunch of requirements in order to install wine - an intel mac, admin account, X code installed, X11 (which comes mostly with intel macs). First of all we have to...
In this video, learn how to install Install0us 2.5 on your iPhone. This can only be installed on a jailbroken iPhone. Directions, tips, tricks, and tourbleshooting advice from videomaker, grandhustler are listed below.
