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
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.
It's not just for annoying cats, anymore. You can upgrade your laser pointers and turn them into an actual burning laser! This tutorial by Kip Kay shows you how to mod a basic laser pointer into a higher powered laser.
Don't use a perfectly good DVD burner to get your laser that will pop balloons, light matches, and burn stuff. Just buy a laser diode at mfgcn.com and also a laser housing, and you won't be tearing a computer DVD player apart. This is the easy way to make a 200mW burning DVD l ...more
You can actually build a burning red laster by assembling a few spare parts taken from old computers! This tutorial shows you what you'll need to look out for, and then how to build it. You'll probably need a diode, but that's likely the only thing to purchase!
And then there was light…on your pen. Have a little fun and with a little ingenuity and a couple of matchsticks you can liven up any afternoon by pranking your friends with this magically burning pen. No one will ever ask to borrow your pen again after you pull this hair-rais ...more
You can construct your own burning red laser very easily and very cheaply. All you need are a soldering iron, Phillips head screwdriver, an LPC-815 laser diode, and a RKCSTR driver. Once you have everything together, follow this video to build a burning red laser.
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!
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
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
New to the pranking business? Well, this video tutorial ought to start you off good and proper. Here, you will learn how to perform the liquid pen prank. Maybe it's called something different, like water pen prank, but the point is to remove everything from the pen, then fill ...more
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
All you need is a burning laser, a bit of flash paper (which you can find at any magician's shop), some thread, a balloon pump, and of course, a balloon. Then set it all up to set a fire inside the balloon!
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
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
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.
Don't buy those $100+ laser pointers. Watch this video, and for under $50 you can make your own that is capable of burning, popping balloons, and cutting things! Casing/Lens (650nm 10mw 12mm X 30mm case): http://mfgcn.com/_wsn/page2.html Do not make the mistake I did the fi ...more
Looking for an (explosively) fun Thanksgiving project this week? Something that involves fire and lasers? Check it out. YouTube creator StyroPyro lights ten matches in 9 seconds with a modded laser. One word: Awesome. Luckily both StyroPyro and Kipkay provide HowTo's. First, H ...more
If you've accidentally jiggled your Xbox while a game was playing (or maybe your pet did), you might experience the Perfect ring scratches - or a laser burn. Ignore all the advice that tells you to use toothpaste, an eraser, or even crazier substances. All you need to do is go ...more
In this video, we learn how to focus your laser to make it burn. The best spot for a laser to burn things is at its focal point. This is where the beam from the laser is at its smallest. If you hold a match in front of the beam, it will light it on fire as soon as it's in fron ...more
If you've ever seen Goldfinger you've probably wondered when we're going to get access to lasers that could cut a man in half. This might be it. Watch on to learn how you can, with some electrical engineering skills, make a DIY blue death ray laser gun that will cut through al ...more
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those dig ...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
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those dig ...more
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those dig ...more
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those dig ...more
This is a tutorial showing you how to mod a ps2 slim. This will allow you to play backups as well as Guitar Hero 2 customs. If you want to learn how to make your own copy I might put up a video for that. This tutorial also shows the swap trick in action. -I am not responsible ...more
This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more
In Chinese watercolor paiting, static subjects like cherry blossoms and peach trees never go out of fashion because they represent the teeming life and beauty of nature that most Chinese watercolor artists enjoy representing. In this video, you'll get a Chinese watercolor pai ...more
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
First aid is important, and not everyone is prepared or even knows what to do in an emergency situation. You could save the day, or at least mend your paper cut. THe key to first aid is the first aid kit. If your's is not up to date, or if you can't afford a real one, then wat ...more
Don’t know your LCD from your A-S-S? We’re going to fix that. Learn how to choose the right flat screen for you with this Howcast guide. Flat screens are pricey, so make sure you know what you're doing. You Will Need * Patience * Paper and pen * And time to shop Step 1: Cons ...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
Buying a digital camera doesn't mean your old prints, slides, or negatives are obsolete. You can easily convert them with a scanner to bring them into the 21st century. Watch this video to learn how to convert photos to digital. You Will Need * Photos, slides, or negatives * ...more
There are loads of reasons for somebody to want to recover a Windows password, and there are lots of different ways of doing it. My favorite of all of these ways is to use a piece of software called Ophcrack because: The free tables are suitable for almost all uses (I've neve ...more
I grew up eating for the most party delicious Mexican food, so naturally, once in a while I will cook some of that comfort food to remember the best days ever ( being raised by my lovely mom who I love to death). My mom is the best cook ever, and I would love to one day be as ...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
In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...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
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
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
The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more
Hey everybody, here is my entry for the medieval building contest. I don't actually care if I win, it was just fun to think about. I have this great book series called The History of Private Life which goes into wonderful detail about how people did everyday things throughout ...more
In this expert video series, you’ll learn more about the history and general practice of wood burning. Get expert tips on wood burning pens and other equipment needed to practice the art of pyrography. Part 1 of 15 - How to Do pyrography. Do pyrography - Part 2 of 15. Click th ...more
This one starts out pretty tame with the water prank. But rest assured, the second round pen prank satisfies. We very much appreciate the 'safety' of adding water to the pen body in case the flame gets out of control. Nobody laughs at third degree burns. NextRaker is one of o ...more
Thanks to everyone who submitted ideas in last month's Mad Science contest. The question called for your best idea for using Sugru, a temporarily malleable silicone modeling clay that self cures for a soft-touch permanent bond. It's a marvelous product for at-home quick fixes ...more
Apple is notoriously private when it comes to perspective products, but the latest leak from their De Anza office in Cupertino suggests that a new augmented reality device could be coming to a store near you. Gizmodo has obtained documents which appear to confirm that the tec ...more
The Raspberry Pi loads an operating system from whatever SD card you insert, allowing you to keep different operating systems on separate SD cards depending on which OS you wish to run. A tool called BerryBoot cuts down on the number of SD cards needed by providing the ability ...more
There's no doubt you've heard the old saying, "When life gives you lemons, make lemonade." The phrase was penned in an obituary to a dwarf actor in 1915 by an anarchist named Elbert Hubbard, who lost his life five months later aboard the RMS Lusitania when it was torpedoed by ...more
I know Americans love to hate on the French, but from my standpoint, they've given us a lot of things we should all be thankful for, like French kissing, casual sex, Pepé le Pew, and of course, French fries. Well, maybe not... There's actually a few ideas as to how French fri ...more
The hugely successful S10 series of flagships may be a tough act to follow, but Samsung has proven that it's up to the task with the Galaxy Note 10. The latest phablet bearing the Note name is the first of its line to come with an even larger variant, and boasts an eye-pleasin ...more
Break out the office supplies and kitchen utensils, because improving your morning makeup routine is about to get a lot easier. Some of the things you have lying around the house can provide the perfect solution for some of the most common beauty problems. We've collected 10 o ...more
Every summer for the last 26 years, hoards of hackers have descended on the Las Vegas Strip for DEFCON, the biggest hacker conference in the US. There's a wealth of talks every season (DEFCON 27 has at least 95 scheduled), and there have been some essential topics to learn fro ...more
Motorola is a shell of its former self. In 2010, it had just released the Motorola Droid, a phone so popular it led to all Android phones being called "Droids" by non-techies. But there have been some rough years between then and now, and Motorola's latest "flagship" doesn't l ...more
While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...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
Samsung's lineup of Galaxy Note devices for 2020 include the specs-behemoth Galaxy Note 20 Ultra and the slightly more cost-effective Galaxy Note 20. Excuse the pun, but there's a lot to unpack here in terms of unique features and hardware. These are the first smartphones wit ...more
For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to ...more
The year 2020 was a pivotal span of time during which the word "virtual" took on a brand new meaning. Instead of referring to VR or augmented reality, the term was hijacked to describe meeting across long distances through a variety of software tools, most often through video. ...more