Proud new papa Gjoci wanted to make sure he never had to worry about whether or not his baby girl was breathing, so he built this amazing breath-detecting baby monitor using a Wii remote, a printed circuit, and a laser. First, he opened up the Wiimote and took out the camera, ...more
For those who thought the action in Pokémon Go was a bit too pedestrian, Father.io wants to recruit you for a multi-player, first-person shooter that unfolds on the streets of your own city. Through a mobile app, available now on the App Store and Google Play, and a pocket-si ...more
The mouse is the primary tool most people use for accessing their computer and the vast stores of information on the Internet. Wouldn't it be funny if instead of allowing you to click icons on the computer screen, your mouse just lit up and made noises when you pressed it butt ...more
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.
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
Make a copper stencil using your laser printer, etching solution, and the backing from some mailing labels.
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.
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
Apple has implemented a new sensor on the rear camera of its fourth-generation iPad Pro, and it's pretty exciting. It's called the LiDAR Scanner, a scanning "light-detection and ranging" sensor, and you may very well be acquainted with it if you follow any driverless car news. ...more
In this jam-packed October, the Huawei Mate 20 Pro has flown under the radar in the US. Due to Huawei's lack of presence in the States, many are unfamiliar with the second largest OEM in the world. Huawei has continuously put out amazing mobile devices, and this year they rele ...more
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
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
If you consider yourself a "laser" man, then you probably know all about front-surface mirrors. But do you know how to make an FS mirror? This video from AP Digital light will show you how to make cheap first surface mirrors. You'll need an acrylic mirror sheet, safety glass, ...more
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
Here's how to make a cool laser gun using some household junk and silver spray paint. It's a Sprite bottle, by the way. It's best if it's empty too. Really.
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.
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
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
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
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
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
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
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
No matter if you've used one or not, you've got to admit that 3D printers are pretty darn awesome, especially the self-replicating ones that extrude molten plastic and the shoebox-sized versions that use mesmerizing stereolithography to build tiny objects layer by layer. But w ...more
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
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
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
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
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
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
It's no secret that the Canon EOS 5D Mark II is being used in low-budget indie films, as well as big blockbuster movies from Hollywood. But it's also become a staple for television commercials. Geoff Fox has been a weather forecaster for over 28 years in Connecticut and can b ...more
Going for a Predator outfit for Halloween or as a cameo in your film, you want to try to get as close to the real thing as possible. In this video you will learn how to perfectly align LED lights to create the targeting lights that the predator uses for its canon with a quick ...more
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
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
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
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
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
This video is about how to play AVI files on a Playstation 2 You need a third party tool such as mod chip or swap magic in order to create the exploited memory card. If you don't want to spend money on a mod chip or swap magic, you can send your memory card to places on line ...more
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
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
You might already know a little bit about what the National Ignition Facility has been up to lately, or what they could possibly achieve. But last week, even the scientists at the Livermore, California station couldn't predict the awesome power that their humongous laser was c ...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
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
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
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
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
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
Learn how to build a driver that can be used for Red laser diodes and Blu-ray laser diodes.
Here's how to make a simple green laser projector using a DC motor, pipes, and epoxy.
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
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
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
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
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
Nothing in life is perfect, including video game systems. For the Xbox 360, it was the dreaded RROD and for the PS3 one of the most common problems has involved the blu-ray disk drive and/or laser. So in this particular tutorial, you'll find out how to fix game and blu-ray dis ...more
Dr. Steven Jepson explains what you can do to shrink your pores. Pores are small openings in your skin that can become infected or get clogged with makeup or dirt if they are too large. In order to shrink the visible appearance of skin pores you need to clean the dirt and gunk ...more
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
Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to defend yo ...more
While printers are not normally considered to be at the leading edge of computer technology, these devices have evolved at a lightning pace over the years. Before today's low cost, high-quality inkjet and color laser printers, we used low-quality dot matrix printers and slow l ...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