Make a Homemade Burning 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

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

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

We've all been there. You wake up early, hungry for breakfast, but not just any breakfast will do. You want bacon and eggs. So, you blindly stumble into your kitchen, underwear-clad, and begin fumbling about with pots and pans. After a few minutes, you fill your pan with delic ...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

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

The big fireworks day is almost here, but most of you are limited in what you can do when it comes to celebrating the Fourth of July with a bang. Unless you live in a dry area prone to wildfires, one type of fireworks you can probably still legally buy are sparklers. But why ...more

Even in the MP3 world, vinyl is still king among music lovers. Unfortunately, making your own record is nowhere near as simple as burning a compact disc or throwing some files onto an MP3 player. One clever inventor isn't letting that stop him though, putting together his own ...more

Ever wondered what the inside of a burning rocket looks like? Well, thanks to Valve engineer Ben Krasnow, now we know. He built a homemade hybrid rocket engine that's see-through so you can actually watch how it works. And even though it's probably a really bad idea to try thi ...more

A few years ago I went hog-wild trying to achieve a zero-waste lifestyle. I didn't succeed, but the experiment taught me that we throw away things we could—and should—be using more. In ye olde days of our forefathers, people generally used every part of the animal in cooking. ...more

Make this Valentine's Day one to remember! Well... because you forgot. But don't worry, you can still make that heart pitter-patter for your love by saving face and getting some last minute Valentine gift ideas on the cheap. There's no reason to shop at Hallmark or buy expens ...more

I'm constantly searching for a homemade pizza dough that tastes good but isn't too challenging to execute. In other words, a recipe that doesn't require any arcane "dough whispering" skills. However, my hunt may be coming to an end thanks to one celebrity chef's concept. Maki ...more

I finally got around to trying out another one of Will's mad science experiments and found out that this one was actually more satisfying (and less frustrating) than my slightly uncooperative jar jet. There's something very pleasing about making potassium nitrate at home in th ...more

You just baked a yummy cake, but who can eat it all? If you're lucky, you don't have a gang of family members gobbling up your leftovers—it's just you and one delicious slice a day for the rest of the week. But you don't want your cake getting stale on you. The secret is all i ...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

I had a party last week and I made my homemade egg rolls and rice. They all loved them, so I wanted to share the recipe with everyone. Egg rolls are so easy to make. You can put all your favorite veggies in it. You can also use whatever meat you like or you can also make them ...more

Homemade nourishing creams are easy and very simple to make. The ingredients are harmless and natural. It costs a fraction of what you would pay in the market. You also know exactly what goes into the product you make. Since homemade nourishing creams do not contains any prese ...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

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

Balloons are fun, but the helium ones are always more entertaining. So today, we're going to learn how to make hydrogen gas by combining toilet bowl cleaner with aluminum foil. With hydrogen, you get the same lighter-than-air properties of helium, plus it will explode! Histori ...more

Let's face it, the world we live in is far from the fairy-tale land we want it to be, where violence doesn't exist and weapons are not needed. Our foremost goal in life out there in the scary world is simply to survive. And if we need a few tools to accomplish this, we should ...more

I feel like doing a bit of chemistry today, how about you? To my knowledge, thermite is the hottest burning man-made substance. Thermite is a pyrotechnic composition of a metal powder and a metal oxide that produces an exothermic oxidation-reduction reaction known as a thermit ...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

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

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

Just a couple Saturday's ago, we were blessed with the Supermoon, where the moon was at perigee with our planet, creating a larger than usual Moon for us here on Earth. Now, we've got another spectacular show in the skies coming up, only this one isn't at night. There will be ...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

Cooking isn't something that interests me much, unless it results in a fast burning fuel and a successful rocket launch! WARNING: Ignition of an incendiary or explosive material may not be legal in your area, so check local laws before attempting. Use of this video content is ...more

We love standing around a barbecue with an icy cold beverage in hand, enjoying the delicious smell of smoky food and chit-chatting with pals. Grilling season — it's our favorite time of the year. So we're constantly on the hunt for tricks that enhance our favorite warm-weathe ...more