Make Your Own Laser

Homemade circuits are amazing. You can build any kind of circuit on a simple perfboard, as we have seen in previous projects. However, some projects require very tiny circuit boards. We could special order some boards from a printed circuit board (PCB) factory, but that will m ...more

Have you ever wondered what sort of microscopic critters are floating around in your water? Well, you can find out with just a few bucks worth of materials and a laser pointer. Really. That's all it takes to build your very own homemade laser projection microscope, aka a water ...more

Most of your who visit Fear of Lightning are probably well familiar with laser weaponry, thanks to Christopher's three-part series covering carbon dioxide, flashlamp, and semiconductor lasers. Another type of laser currently being developed as a weapon is the fiber laser, whic ...more

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

National Ignition Facility What is the NIF? Located in California, the NIF is a large facility housing two humongous lasers. The facility is part of the Lawrence Livermore National Laboratory. Basically, NIF's main purpose is to focus lasers on a small, compressed amount of h ...more

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

Those persistent alien beings from Space Invaders have finally abandoned the confines of their video game quarters, setting their crab-like eyes on the destruction of Earth. And it's up to one man to save the fate of human kind as we know it—Jeremiah Warren. Equipped with his ...more

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

Etching your own circuit boards is tons of fun, but etching requires strong chemicals to dissolve the copper plating on blank circuit boards. The normal ferric chloride solution works well, but can be expensive and leaves permanent stains. Luckily, we can whip up our own etcha ...more

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

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

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

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

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

Kick Ass Game Review Part 1: Background & Voice Talent There are three parties involved in bringing you The Kick Ass Game: - Wha Entertainment (Publisher) - Marv Entertainment (Role unknown) - Frozen Codebase (Indie Developer) Wha Entertainment is owned by Howard Horowitz. H ...more

"Photo Grandpa" aka Fotoopa (that's photograndpa in Dutch) has created an amazing laser rig for ultra-high speed photography. Says Gizmodo, "His setup includes his own custom shutter—which can fire at five microseconds—made around an Arduino controller and custom aluminum pa ...more

There's no denying the coolness of an iPhone. But what if you pulled a homemade wooden cell phone out of your pocket instead? You'd probably be the talk of the town. If you like that idea, then make it a reality by building your own cell phone! A team over at MIT's High-Low T ...more

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

Imagine walking around and everyone looks awesome! Ok, maybe this beauty is only skin deep or shall we say AR deep. Coming soon to a pair of glasses near you, you will be able to put on glasses that actually make people look more muscular, have bigger boobs, look tan & blonde, ...more

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

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...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

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

What the I have recently been thinking about how fun it would be to go around town with a somewhat high powered laser pointer (300MW or so) to pull pranks on people and watch their reaction to the fun pranks you can do with a laser pointer. For example: Popping water balloons ...more

The old school staple of many US homes with children, the remote control race track, has been given new life in augmented reality thanks to the Room Racer app for iPhones and iPads. Using ARKit, the app places a miniature race track on a floor or tabletop. The game includes n ...more

From dynamite to lasers to LEDs, you can make graffiti with a lot of different things. Parisian artist Antonin Fourneau has added water to that list. He created this incredible LED wall that lights up wherever it's touched by water to create what he's dubbed "Water Light Graff ...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

Eavesdropping from a distance can be tricky because it usually requires some sort of bug or transmitter. It's easy to transmit audio through lasers, but you can also use lasers to build a microphone that picks up audio from a distance. LucidScience built the Laser Spy System f ...more

Though the Golden State Warriors won the crown as the NBA's best team again this season, the Sacramento Kings continue their rule as the sport's technology leader, debuting their new uniforms from Nike through augmented reality today. With an assist from Zappar's augmented re ...more

Do you own an HP printer? If so, it may be vulnerable to malware attacks. Researchers at Columbia University discovered that 25% of Hewlett-Packard printers have significant vulnerabilities that put your printer in danger from hackers—even your home. With a budget of just $2,0 ...more

With an eye toward future iPhone X-focused augmented reality functions, Apple's new investment in one of its components vendors will increase production capacity for the technology behind its TrueDepth camera, but could also apply to its future AR ambitions. On the software s ...more

Reading the augmented reality news lately has felt a bit like reading a John Grisham novel, as the business side of things has dripped with legal drama. This week alone, a patent infringement case involving Meta Company (or what's left of it) approached its climax. Meanwhile, ...more

Just a week after news leaked out about Intel's 2018 plans for smartglasses, the company revealed what the device looks like and how it works in a new video (bottom of this page) released on Monday. Intel's Vaunt smartglasses weigh just 50 grams and come closest to looking li ...more

It's long past time to face the facts: farts are funny. The first fart joke dates back nearly 4,000 years to the ancient Sumerian people. References to flatulence were also found in ancient Greece within the works of Aristophanes. (More like Aristo-fannies, am I right?) A sta ...more

Apple often cites its tight integration of hardware and software for its success. Startup Illumix is looking to do the same thing for AR gaming by building an AR platform for its apps. Emerging from stealth mode on Tuesday, Illumix has closed a seed funding round of $8.6 mill ...more

Disney Parks are hard at work bringing the technology from a long time ago in a land far away to life for the opening of Star Wars Land parks in Anaheim and Orlando in 2019. Much of the environment, characters, and peripherals can be recreated through construction, costumes, ...more

If you ever imagined turning the surface of your desk into one large augmented computer, well the future might not be far off, my friends. Lampix, the company that transforms any surface into a smart surface, is currently working on a portable and quite fashionable lamp to pro ...more

if you love the valve puzzle game portal but don't have the money to buy expensive merchendise, you came to the right place. here you will learn how to make your own companion Cube just from a printed template Step 1: Print the Template You can get the free template here. Ju ...more