Digital projectors can be prohibitively expensive, particularly for those who stand to benefit the most from their use—that is, young people ...more
Make a 16 DBI WiFi antenna for less than $10 dollars with this hacker's how-to video. To get started building your own super WiFi antenna ...more
Build a mineral oil computer aquarium. It cools the system while giving you something to look at. The setup is quite simple -- with a few ...more
If it's got a 386 processor and 32MB of RAM, and you can find a pair of Ethernet cards, you can turn that Junk PC into a serious Firewall to ...more
Regardless of what this is called, this free energy looks amazing when demonstrated. This video tutorial will show you how to make it. You ...more
Watch this video series to learn how to program a game with C++. This series covers the entire game design process and builds skills that ...more
Check out this how-to video and learn how to build a SAFE hydrogen generator. Be sure that you test volts vs. amps for safety reasons ...more
You can learn how to trace any IP address or website with this simple instructional video. Kipkay is one of the top earners on Metacafe, and ...more
To pick up some sexy belly dance skills, check out this how-to video. A belly dancing pro gives some basic steps in this alluring dance ...more
Listen to conversations over long distances with a homemade laser listening device. All you'll need is a laser pointer, tripod, old pair of ...more
This will video tutorial will teach you a simple hack that will allow you to hide a secret message in any digital picture. Who knew a ...more
With this video tutorial, you'll learn how to hack demo versions of applications such that they'll run indefinitely. You'll just need to ...more
This video will show you 7 different ways to speed up Windows XP. This tutorial requires one freeware program that can be found at www ...more
In the season finale of Know How, Tim uses a laser pointer and a wine glass to scan a 3-D image of his mom’s head. You have to see it to ...more
The cooler your computer runs the faster it will run. In this video I show you how to create a cooling system that uses cooking oil for your ...more
Increase the range of your wi-fi antenna for about 5 cents. Check out this how-to video and learn how to double your range and signal ...more
Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and ...more
logger Jimmy R. demonstrates how you can embed hidden files into an innocent-looking JPEG image using the free 7-Zip and the Windows command ...more
There are hundreds of legitimate reasons a network administrator would need to remotely execute commands. The following techniques can be ...more
Are you using the Queen too much, or attacking with one piece at a time, or making mostly pawn moves, or that tricky Knight obsession, or ...more
