Built a Laser

How To : Build a 3D scanner from a $25 laser level

Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episode ...more

How To : Build a laser motion sensor mouse trap

Mice, cute as they may be, are an unwelcome visitor in many a home. This video tutorial provides step by step instructions on how to hack a wireless electronic laser mouse trap from an automatic garage door opener and a computer mouse. Find out where those little pests are goi ...more

How To : Build a DIY laser cutter gas containment chamber

If you are the proud owner of a laser cutter, you had better be careful with your expensive new toy. Some materials can damage the optics in your laser or produce poisonous gas when you cut them, so you need to make a gas containment chamber to work in. Watch this video to fin ...more

How To : Build a laser security system

Got a mystery to solve? Somebody’s been making off with your stuff, and you don’t have a clue who it is, do you? Here’s your chance to catch them in the act. In this how to video you will learn to make a DIY laser security system.

How To : Build a laser weapon

Sometimes you need more than a handgun or phaser. Erik at Indy Mogul teaches you how to make a laser cannon in the likeness of the BFG9000 from Doom for under $20. He'll also show you how to make laser cannon special fx for your film.

How To : Build a laser microphone

Listen to conversations over long distances with a homemade laser listening device. All you'll need is a laser pointer, tripod, old pair of headphones, photocell, a recording device, and the step-by-step instructions in this how-to video. The creator of this video tutorial doe ...more

How To : Build a burning blue/violet laser

There's probably a reason that laser pointers are banned from most schools: They're just to fun to put down! Whether you're using them as a pointer, to distract your classmates, or to very wickedly point them in people's eyes, they are toys that are quite addicting. Make your ...more

How To : Build a laser effects light show

A laser light show is possible to replicate with the diffraction grating effect. Different laser effects can be created using a variety of materials: small motors and diffraction grating pieces, and mirrors. It's possible to create searchlights, crystal balls, spring patterns, ...more

How To : Build a Laser Trip Wire Alarm System

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

How To : Build a laser gun prop and create laser effects

Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about laser guns. Adam explains how to build a laser gun prop ...more

How To : Build your own burning blue laser torch

This mod will run you about $130, but you'll have your own laser torch at the end of it. You'll need a high end flashlight, a Aixiz module, an AR coated lens and a blue diode. Then assemble according to the instructions, and get a laser at the end of it!

How To : Build a Laser Tripwire and Alarm with Snap Circuits

Want to learn how to build a laser tripwire and alarm out of snap circuits? I'll show you how to build both circuits— the laser tripwire circuit and the alarm circuit. Video: . The alarm is a very simple two-transistor oscillator that is switched on by the relay in the laser t ...more

How To : Build Lego versions of the Halo weapons

Watch this six-part how-to video from Timgie Studios to learn how to make all the weapons from the Halo video game series on Xbox out of Lego bricks. These easy to follow tutorials will have your Lego Master Chief beating up Lego Elites in no time. See how to make the plasma ...more

How To : Connect different laser diodes to a power supply

Lasers are one of the coolest things that you can build yourself from a pure sci-fi fantasy standpoint. They're not easy though, but this video will help you somewhat by describing different types of laser diodes and how to connect them to a power supply. Part 1 of 2 - How to ...more

How To : Send secret messages with a laser

Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, ...more

How To : Take apart an Etch a Sketch

Before I built the mechanics for my laser cutter I was planning on using the etch a sketch since the pulleys where already there. I accidentally cut the wires while taking it apart, so I made it from scratch (much bigger too). But I figured I'd post this in case you want a sma ...more

How To : Make a Blu-Ray Laser Phaser

Build your very own Trek-style Blu-Ray laser phaser with this hacker's how-to video from Kip Kay of Make Magazine. To replicate this hack at home, you'll need the following materials: (1) a PS3 Blu-Ray laser assembly (which can be had on eBay for roughly $45), (2) an original ...more

How To : Make a heavy duty aluminum laser-guided slingshot

In today's day of mobile devices and improved technology, anything of yesterday can be considered retro— even a freakin' slingshot! Yes, that's right— forget fallen down tree branches. A rubber band and tree limb ain't going to cut it anymore. These days, kids need accuracy, a ...more

How To : Create a PCB with the toner transfer method

Need to make a PCB quick? Well, this video tutorial will show you how to create a PCB with the toner transfer method using photo laser paper. This is an "easy and cheap" way to build PCB (printed circuit board) using the toner transfer method. With many papers tried, photo la ...more

How To : Build Halo 3 human weapons with Legos

If you're into Halo 3 and you're into Legos, why not combine the two? Watch this video tutorial to learn how to build Halo 3 human weapons with Legos, like a sniper rifle, the magnum pistol, the assault rifle, and the spartan laser. Halo weapons built with Legos: *Anti-Vehic ...more

How To : Things to Do on WonderHowTo (03/14 - 03/20)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

Making Electromagnetic Weapons : Flashlamp Lasers

In my second article of the laser weapon series (see the first part here on CO2 lasers), I'll be expanding on the potential of pulsed lasers. I'm sure most everyone has seen those green and red laser pulses on Star Wars. Theoretically, those lasers could be built using a conc ...more

News : World's First 3D Printed UAV Takes to the Skies

The use of unmanned aerial vehicles (UAVs) has been widely used by the military for surveillance and reconnaissance missions—even armed combat. But there are other beneficial applications of an unmanned aircraft, such as search and rescue operations, scientific exploration, lo ...more

How To : Remedy stretch marks

Robert Scott shows us in this video how to remedy stretch marks. Stretch marks can be caused by excess of weight gain, muscle building or anything that occurs over a short period of time and breaks down the fibers in the skin. They are not really curable but they are treatable ...more

How To : Make a Solar Death Ray with an Old Projection TV

In this article, I'll show you how to make an awesome "Death Ray" using the large magnifying lens from an old projection TV. The lens is called a Fresnel lens; a device that employs several ridges to focus light, rather than a complete curve. When sunlight passes through the ...more

How To : Measure Geomagnetic Storms with a DIY Magnetometer

Interested in taking a few snapshots of the likely auroras from the recent solar flare the Sun sent our way? It's reported that we'll have the biggest solar radiation storm in over 7 years thanks to the Earth-directed CME (coronal mass ejection). But if you live in the right ...more

News : Mod Your Power Wheels Into WiFi Halo Warthogs

Tim Higgins brings Halo's warthog vehicles to reality with a live action game created with laser tag weaponry, game controllers, and kid-sized jeeps. Feeling ambitious? Tim posted a full rundown of the build over at Microsoft's Coding4Fun blog. Check out the interview below ...more

How To : Turn a laser into a burning laser

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.

News : Math Craft Inspiration of the Week: Christmas Chaos

If you take two flat mirrors and place them front to back and look at them, you can see an infinite number of reflections. While this is a self-replicating pattern and can be somewhat mesmerizing, it isn't anywhere as interesting as looking at the chaotic scattering of light t ...more

How To : Make a robot out of household items

This do it yourself robot can be made out of many materials you can find around your house. You'll need a few special non household items, such as an arduino and a class 3 laser. However, once you assemble everything correctly, you can make a sentry robot inspired by the robot ...more

News : Man Builds Camera as Big as His Dog

Gil Adam, a student of Industrial Design in Bezalel Academy of Arts and Design in Jerusalem, Israel, has created a 3:1 scale model of his favorite plastic camera, the Holga. While the camera is just a model (non-operational), it's pretty fun to see the oversized object next to ...more

How To : Unwrap or unfold geometry in 3ds Max

This 3ds Max modeling tutorial covers how to unwrap or unfold geometry. This technique is used more for texture mapping but in this tutorial we the unfolded geometry back to the view port to use for building physical models. This geometry can them be used for laser cutting. On ...more

Making Electromagnetic Weapons : Semiconductor Lasers

I'm back with the third part to my laser weapon series (see part one and two), and I'll be explaining the function, application, and potential of semiconductor lasers, aka laser diodes. Surely, most of you have used a laser pointer at some point. Whether purchased at a dollar ...more

How To : Things to Do on WonderHowTo (02/22 - 02/28)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Things to Do on WonderHowTo (02/15 - 02/21)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Build a natural clear water pond in your backyard

Chad from California Waterscapes takes you through the steps of installing a backyard pond. He begins by marking the location for the pond and stream using spray paint on the ground and by laying out the necessary equipment: the skimmer box and the waterfall unit. After diggin ...more

How To : Assemble Wood Magazine's universal tablesaw jig

Eagle Lake Woodworking, hosted by John Nixon, offers great do-it-yourself guides for building your own furniture, especially in the American Arts and Crafts style, and turning your garage into an amateur woodshop. Search Eagle Lake on WonderHowTo for more carpentry tutorial vi ...more

How To : Use Hair Removal Creams

It's just a fact that hairy legs on women are not the most attractive. From razors to lasers, hairy legs can be a thing of the past. Hairy legs are some of the hardest parts to deal with because they're so visible all the time. Whether you want to rid yourself of prickly leg h ...more

How To : Things to Do on WonderHowTo (05/09 - 05/15)

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

How To : Things to Do on WonderHowTo (01/11 - 01/17)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. This week has been an exciting one. The com ...more

News : Mosquitoes Annihilated By Death Ray Laser

Laser gun + killing mosquitoes = lots of little boy fun, but what's it all about? Quite possibly the most entertaining, thrilling, and well, downright life-saving presentation at this year's TED conference was Intellectual Ventures' mosquito death ray. The mosquito death ray ...more

Making Electromagnetic Weapons : Lasers, Part One

In this series on weaponized lasers, I'll be exploring the function, operation, strength and building instructions for three basic laser weapons; CO2, Diode, and Flashlamp. These laser types are just a few of many, selected because of their simplicity and basic construction (d ...more

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