Water on the Moon!

Lie Detector
A simple and easy to make lie detector circuit. (August 3, 2009)
Categories: circuits audio diy science - Updated: 2009/08/03

Moon, 100% cheese.

How to make a Thermometer
Here is an easy-to-build homemade thermometer using materials available at home. (3/12/2006)
Categories: science projects diy homemade howto - Updated: 2009/07/25

How To Make a Speaker
A homemade speaker using a plastic cup, business card, wire, magnet and some Lego blocks. I built this speaker from scratch; I was surprised of the quality of the sound. Updated! (6/14/2007)
Categories: diy homemade science projects audio - Updated: 2009/07/25

Pino's Theory About Integers and Infinite.
After I saw the book "God created the integers", I came with the idea: "Integers doesn't exists". PKM from Cambridge asked me to explain this. After many days thinking about it, I developed a new theory that may change the way we think about math. (7/17/2007)
Categories: opinion science - Updated: 2009/07/24

Homemade Compass
Another easy-to-make diy science project. Build a compass for [almost] free! (1/14/2008)
Categories: science project homemade diy hacks howto - Updated: 2009/07/24

Paperclip Compass
A simple and easy way to make a home-made compass using a paper clip and magnet.
Categories: science project homemade diy hacks howto - Updated: 2009/07/24

Hi-fidelity Homemade Loudspeaker.
From the Inventor of the Styrofoam Plate Speaker, here are the instructions to build the "Hi-Fidelity homemade styrofoam-plate speaker". (8/6/2007)
Categories: hacks science projects diy homemade audio howto - Updated: 2009/07/24

Hard Water Experiments.
Here is two "science projects" to have fun with. It explains the term "hard water" and interesting facts. (5/07/2007)
Categories: science projects discover - Updated: 2009/07/24

Electricity from Piezoelectric materials
Easy experiment that shows how to get electricity from Piezoelectric materials, a clean source of electricity. Also, some interesting applications. (11/13/2008)
Categories: science projects circuits discover - Updated: 2009/07/24

Electric 'LEGO' Motor II
As the previous motor is not easy to build and it doesn't have too much torque, I decided to improve the design. This motor is more like "Pulse Motor" as it pushes the magnets with only one coil. With only 3 Volts, it have three times more torque that the previous one and is easier to build. (2/9/2007)
Categories: science projects homemade diy lego howto - Updated: 2009/07/24

Electric 'LEGO' Motor
As the beakman motor have no torque at all, I decided to buil this project based on the design of the regular electric motors. With a medium difficulty, this motor is able to work with a fair load using 6 volts. (2/7/2007)
Categories: lego science projects diy homemade howto - Updated: 2009/07/24

Wood Gas or Biogas experiment
First test about making home-made gas from wood or biomass. A process called "Wood gasification" or "Biomass gasification". (11/03/2008)
Categories: science projects homemade howto - Updated: 2009/07/23

Walking Robot III.
Powered by a solar cell, this walking robot can walk using four legs. NO RCX or sensors used, Just gears, one motor and solar power. (11/29/2007)
Categories: lego robots homemade science diy - Updated: 2009/07/23

Useful Facts
A list of non-useful, and crazy, facts. (3/6/2008) Sent by du1ce^
Categories: funny humor discover readings from_readers science - Updated: 2009/07/23

Toothpicks with yummy designs.
With Toothpicks and Marshallows, I have some fun. Some Yummy and interesting designs. (5/10/2006)
Categories: science projects diy howto - Updated: 2009/07/23

Toothpicks designs.
With lots of toothpicks and time, I made some geometrical figures using wooden toothpicks. (3/13/2006)
Categories: science projects diy howto - Updated: 2009/07/23

Super Simple Sun Tracker.
Without using complex circuits and sensors, I was able to make my simple home-made Sun Tracker. This one only needs Solar cells, a motor and some gears. (11/20/2007)
Categories: science projects diy homemade lego - Updated: 2009/07/23

Scotch Tape X-Rays
How the Scotch tape X-rays works. (10/24/2008)
Categories: howto science diy discover - Updated: 2009/07/23

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