A Homemade Spirogram and Laser Pointer

Diffraction gratings from http://www.dragonlasers.com 3 Sparan series lasers (blue, green & red) are used with diffraction gratings to make a laser show. Also an explanation of diffraction gratings, how to use them and the precautions to take.

I put on my science hat and built a high powered air cannon. In this episode I'm launching eggs. What I launch next time is up to you. Head over to my main channel at youtube.com/somecallmejim and comment with your ideas for crap I can launch, and if I like it I'll launch it! If you like what you saw, go on and subscribe.

Diffraction gratings from http://www.dragonlasers.com This tutorial explains what laser diffraction gratings are, the different types, their applications and the care that needs to be exercised when using them. Laser diffraction gratings are from D

Build this easy DIY tattoo machine from parts lying around the house!

This tutorial will show you how you can create your own Guitar Hero Clone using free software and a controller that you can make using parts that total around $22. These are the links used in this video: http://fretsonfire.sourceforge.net

An online teacher shows how she organizes her classes.

Demonstration tutorial of a Viper laser pointer and 3 types of diffraction gratings. Viper is courtesy of http://www.dragonlasers.com

Laser is from Dragonlasers at http://www.dragonlasers.com A DIY video one how to make a simple green laser projector in less than 20 minutes on the cheap from Zedomax at http://zedomax.com/blog/

Learn how to do write simple functional application like adding 2 or more integers and print out result. This video includes some basic explanation and step by step guide to create simple program! Download the sample code: http://www.mediafire.com

A tutorial demonstrating how to clean a green laser pointer lens and the equipment you should use. Laser pointer is from Dragonlasers at http:// www.dragonlasers. com