Uses of Laser

How To : Use laser levels

Mark Donovan of HomeAdditionPlus.com reviews Laser Levels and how they can be used for hanging pictures, installing chair rail, or mounting electrical outlets and switches.

How To : Scan a 3-D object

In the season finale of Know How, Tim uses a laser pointer and a wine glass to scan a 3-D image of his mom’s head. You have to see it to believe it.

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 : 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 : View your printer's secret dots (fingerprints)

Imagine that every time you print a document, it automatically includes a secret code that could be used to identify the printer -- and, potentially, the person who used it. Sounds like something from a spy movie, right? Unfortunately, this scenario isn't fictional. Most colo ...more

How To : Etch a printed circuit board using toner transfer

Making a PCB is very simple; it does not consume a lot of time and the results look professional. After watching this step-by-step how-to video, you will be able to make your own PCB in your workshop using just a few inexpensive materials. Many people use protoboard and point ...more

How To : Laser tag graffiti

Laser Tag is using lasers and projectors to tag buildings with light! This is a joint project between Graffiti Research Lab and Make Magazine's Bre Pettis. Tag with lights. It's reversible and non-destructive.

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 : Cheat on a test with an invisible piece of tape

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

How To : Remove a tattoo

There comes a time in many tattooed individuals when they want to remove their tattoos. There are a lot of different ways to remove tattoo but they all cause scar. Dr. Neal Schultz explains only laser tattoo removal will not leave a scar and give a cosmetically-superior result ...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 : 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 : Prevent Acne with Doctor Recommended Treatments

Acne develops when pores become blocked with dead skin cells and oil. They usually disappear over time but sometimes they leave a scar. When those blemishes form white blood cells rush to the surface to help heal the area. But occasionally a scar forms. Popping and picking can ...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

News : The Latest and Greatest Kinect Hacks

Nobody could predict the success of Microsoft's Kinect, not even Microsoft themselves. So, it was quite a surprise when it ended up earning a Guinness World Record for fastest-selling consumer electronics device, and an even bigger surprise to see people buying one that didn't ...more

How To : Play using the cheats in GoldenEye 007 on N64

This is a massive 14-part video walkthrough of GoldenEye 007 on the Nintendo 64 video game console, showing you all of the different cheat modes and how best to use them. Cychreus provides all of these elaborate cheat walkthroughs for the video game based of the 1995 James Bon ...more

How To : Reduce stretch marks with the Fraxel Laser System

In this video, we learn how to reduce stretch marks with the Fraxel Laser System. This happens when the skin thins and the makes marks when the skin is stretched out too quickly. The laser has been used as years as a skin tightener and now is being used for stretch marks. Firs ...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 : 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 : The Movable Type Rubik's Cube

Love this Rubik's Cube stamp with movable type Chinese characters by Shaun Chung. Chung laser-etched the characters from wood, and then adhered them to a regular Rubik's Cube to create verses from a traditional Chinese text. Chung says: "Chinese has a long history with the p ...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 : Make scrambled eggs using a flashlight

This video tutorial is in the Food category which will show you how to make scrambled eggs using a flashlight. Break an egg and pour it in to a small metal container. Clamp a Wicked Lasers torch in an upright position so that the bulb end is facing upwards. Now switch on the t ...more

How To : Make a burning laser pointer that produces heat

In this video tutorial, viewers learn how to make a burning laser pointer. Users will just need a regular 5Mw green laser pointer. Begin by unscrewing the top of the laser pointer and take out the batteries. Carefully with a pair of pliers, break the glue seal and remove the l ...more

How To : Turn a pizza box into a solar oven

Save that last slice of pizza! You can reheat it in its own container, using the sun's power. Turn a pizza box into a solar oven. You Will Need * A large pizza box * A ruler * A black marker * A box cutter or utility knife * Heavy-duty aluminum foil * All-purpose glue * Sciss ...more

How to Make Ferrofluid : The Liquid of the Future

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an or ...more

No SFX Necessary : 5 Real Life Iron Man Prototypes

How is it possible that Iron Man is not yet a reality? DVICE reports that super-powered exoskeletons are indeed within our grasp (if not quite as flashy as Hollywood SFX just yet). Real life exoskeletons fall into the realm of not-too-distant futuristic warfare. Below, five e ...more

How To : Choose the right paper to make an impression

Need a little help choosing the right paper for the job? When it comes to making a good impression, choosing the right paper can make all the difference. Use guidelines will help you pick the best type for your project. • Something to print • Correct weight • Brightness ra ...more

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 : Bypass Windows and Linux Passwords

If you're interested in bypassing Windows and Linux passwords, there is a great tool from the good people at Kryptoslogic. Have you ever forgotten your administrator password? Have you ever bought a used computer with a password on it? Well, Kryptoslogic have created a boot-di ...more

How To : Balance a round fan-mounted mirror for spirographs

If you like homemade light shows, this is one hell of a way to do it. AP Digital light shows you how you can hack a small fan into a special mirror used to create a poor man's PIC-based laser show. It's an experimental method of balancing a fan-mounted acrylic mirror for spir ...more

How To : Get rid of acne scars easily

In this video from dend359, we learn how to get rid of acne scars. First, he said he looked into laser treatment but that's too expensive. Then he found Divine Beauty ECIT Rejuvastamp treatment and it's much cheaper and similar to laser treatment. It did take about 3 months to ...more

How To : Even out stretch marks using several methods

There are a couple of ways to even out stretch marks. First, if the stretch marks are newer and red, you can apply a variety of topical creams such as different kinds of retinol or cocoa butter. If the stretch marks are older, then laser surgery is needed. Laser surgery doesn' ...more

How To : Make a laser arm blaster prop weapon

The perfect weapon for your low-budget sci-fi action flick is a laser gun… or maybe this laser arm blaster. This laser arm gun is easily made at home with household materials that care cheap and easy to find. So don't throw out tons of money on your indie film… you're not Jame ...more

How To : Relief print a woodcut

Watch this one minute printmaking demonstration to make a wood block for woodcut printing. First, transfer a laser inkjet print to a wood block. Then carve a relief image into the wood block. Next, ink and print on a Mini Halfwood Press using a chase device. With the right set ...more

Link Roundup : 15 Guides To Pumpkin Carving

Halloween just isn't Halloween without Jack O'Lanterns. Below, anything and everything you need to know on the art of pumpkin carving. 1. Prepare a Pumpkin for Carving Serious Eats' video demonstration is for true novices: "This video is for you unlucky souls who never got t ...more

Receipt Racer : A Paper and Laser Tangible Video Game

Video games have been a purely digital medium for some decades now. They exist in the electronic nether, embedded on discs and projected on screens. Since digital distribution has gained popularity, even the physical manifestation of the game disc is going away, leaving games ...more

How To : Fix the Xbox 360 open tray error

In this video we learn how to fix the Xbox 360 open tray error. First, open the console up and find the laser power. There are two screws around this laser that need to be changed. The left one should be screwed up a slight amount until it's slightly lifted. Once it's lifted, ...more

How To : Increase the power of a 5mw green laser pointer

In this tutorial, we learn how to increase the power of a 5mw green laser pointer. First, you will need to gather the parts you will need, which include a vise, the laser, a soldering iron, and a block of wood. After this, cut the block of wood in half and then put your laser ...more

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