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Make a "Joule Thief" Circuit to Extract Battery Power

This week, Windell Oskay of Evil Mad Scientist Laboratories joins me to teach you how to make a super clever little circuit called the Joule Thief! The Joule Thief allows you to squeeze the life out of what most people think of as "dead"...
Human Spider Climbs up Walls Using a Vacuum Cleaner

Human Spider Climbs up Walls Using a Vacuum Cleaner

A BBC scientist created an impressive homebrew wall climbing system from a simple vacuum cleaner.  The creator demonstrated his Spiderman prowess by climbing up the 120 feet facade of BBC Television center in the video below.  He documented his...
DIY Wireless Wii Sensor Bar

DIY Wireless Wii Sensor Bar

This is an easy do-it-yourself project if you have your Wii connected to a projector and it is all for about...
Reverse-Megaphone Spy Hack

Reverse-Megaphone Spy Hack

Make a bionic hearing spy device by hacking a...
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How to: LED Sign using LED strips

How to: LED Sign using LED strips

This OzLabs video demonstrates how to build an LED sign using their flatheaded LED...
Internet Enabled Pet Feeder

Internet Enabled Pet Feeder

Learn how to build an internet enabled pet feeder with streaming video. Now you can feed your pet from work or on vacation directly from your computer or phone.  The whole system is fairly simple and is controlled by the status LED on a Cisco...
Super Mario Brothers Played through Electricity

Super Mario Brothers Played through Electricity

Twin Solid State Musical Tesla coils playing Mario Bros theme song at the 2007 Lightning on the Lawn Teslathon. View the Full...
Incredible Balancing, Climbing and Jumping Robots

Incredible Balancing, Climbing and Jumping Robots

The first robot is called the iLean. It’s basically two wheels attached to a pole which it plants on the ground and balances upon. It then turns its wheels inward and climbs up the pole while maintaining perfect balance. Next is the iHop which is...
DIY Virtual Robot Controls Physical Twin

DIY Virtual Robot Controls Physical Twin

In this cool project, learn to use a simple robot to manipulate its 3D mirror image constructed in Maya. For the physical robot, he uses 3 servos and a PicAxe 28X1 micro-controller.  Each time the robot moves on its axes, movement is...
How to Survive: Start a Fire using a Battery

How to Survive: Start a Fire using a Battery

Take a piece of steel wool and tuck it into the toilet paper.   Lightly touch the battery to the steel wool.  Blow.  Now put that thing out, before the smoke alarm goes...
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