salt crystal

Growing Salt Crystals.

Common salt, also known as sodium chloride or NaCl, have an interesting cystal structure. Water, Salt and lots of patience for one week, are the ingredients to grow salt crystals and get an easy science project. (6/3/2007) - Updated!
Category: science projects diy howto discover - Updated: 2009/07/23
ntx connector

Hacking the LEGO NXT

As the LEGO NXT is more complicated than the RCX; I had to do my own research to be able to hack the NXT connectors. Here is some interesting information about the signals from LEGO Mindstorms NXT. (8/2/2007)
Category: lego howto projects electronics robots - Updated: 2009/07/23
Spiders in computer

Halloween Decorations: Spiders

DIY projects for Halloween, Make your own Spiders. A cheap an easy project. (10/29/2008)
Category: projects diy homemade howto - Updated: 2009/10/07
Ghost for Halloween

Halloween Decorations: Ghost

DIY projects for Halloween, Make your own Ghost. A cheap an easy project. Two projects sent by readers included.(10/30/2008)
Category: projects diy homemade howto - Updated: 2009/07/24
Spider Web

Halloween Decorations: Spiderweb

DIY projects for Halloween, Make your own Spiderweb. A cheap an easy project. (10/30/2008)
Category: projects diy homemade howto - Updated: 2009/10/07
floating paper clip

Hard Water Experiments.

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

Homemade Gramophone (Phonograph)

I'm ending the year listening old music from Vinyl disks, So I build my home-made gramophone using a pin and a plastic cup. With my lego set of "mindstorms" I was able to spin the disk at 33 RPM (approximately). Here are some photos an a video of my gramophone. (12/31/2006)
Category: lego projects science diy homemade audio howto - Updated: 2009/07/23
homemade hi fidelity speaker.

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)
Category: hacks science projects diy homemade audio howto - Updated: 2014/03/02
paperclip compass

Paperclip Compass

A simple and easy way to make a home-made compass using a paper clip and magnet.
Category: science projects homemade diy hacks howto - Updated: 2010/01/19
Compass made in Japan

Homemade Compass

Another easy-to-make diy science project. Build a compass for [almost] free! (1/14/2008)
Category: science projects homemade diy hacks howto - Updated: 2010/01/19
paper airplane

How To Make a Paper Plane.

I can't believe some stores are selling foam planes up to $2.95 USD a piece. Here are the instructions how to make a simple, yet effective, paper airplane. It really flies! (6/03/2007)
Category: howto projects homemade - Updated: 2009/07/23
home made speaker

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)
Category: diy homemade science projects audio - Updated: 2009/07/24
barometer.jpg

How To Make a Barometer.

A Barometer is used to measure the atmospheric pressure and is a tool to forecast the weather. (5/06/2007)
Category: howto science projects diy homemade - Updated: 2009/07/23
papercup/papercup1.jpg

How To Make a Paper Cup

This lo-tech paper cup is really helpful when no cups are handy. A less-than-one-buck project (3/11/2006)
Category: howto projects diy homemade - Updated: 2009/07/23
how to make a pinwheel

How to Make a Pinwheel.

A simple toy that children like during windy days. (5/27/2006)
Category: projects diy homemade howto - Updated: 2009/07/24

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