In this Electronics video tutorial you will learn how to make a laser pen from a DVD burner. Take a DVD burner, remove all the screws from the bottom panel and remove the panel. Then remove the rest of the body cover as shown in the video. After this the laser will be revealed ...more
How to Make a Laser Pen
This is a tutorial on Halloween costumes prop construction. Follow these easy Star Trek Phaser construction directions. Spocks costume needs a phaser. The phaser laser beam is simulated by a pen flashlight.
Put the newspaper down on a work surface. Pick up the 5 MW green laser pen and unscrew the battery cap. Remove the batteries and put them and the battery cap aside. Hold the back of the laser pen with your left hand and the front of the laser pen with your right hand. Twist ...more
This video tutorial from Shooting Eggs demonstrates a hack that will allow you to convert a cheap 5 mW green laser pen into a 100 mW monster. Watch out, don't burn your carpet! Check out this hacking how-to and learn how to build your own high-powered laser on the cheap.
If high school students spent as much time on studying as they tend to spend on looking for new ways to cheat, everyone in America would have straight A's. But, cheating is so much more fun than studying, isn't it? In this tutorial, learn how to make a foolproof cheat sheet u ...more
Deep in their heart of hearts, most Americans dream of having their car festooned with missile launchers and machine guns. Anyone who cuts them off or looks at them funny in traffic could be dispensed with quick and extreme justice, leaving a real-life James Bond and his passe ...more
Who doesn't love Star Wars? No one, that's who. And if you love Stars Wars, logic would follow that you like lightsabers, so central are they to the tale's mythology. It's part sword, part laser, and makes a sound like a humming motor have multigasms. If I saw one in real life ...more
Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more
Contrary to popular belief, augmented reality apps have been available for a while now. I remember using the Layar app (still available for iOS and Android) to explore nearby businesses and landmarks with varying success via an early-generation Android handset. It would be ha ...more