Make Things Out of Metal

Get ready to rack your brains, because it's time for another Scrabble Challenge! I may have gone a little overboard on last week's challenge (there was over 25 anagrams to solve), so I'm slimming things down this week. This time, there's only one puzzle. Use the rack of lette ...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

How about a laser? One that is strong enough to nudge debris out of earth orbit. That's what NASA contractor James Mason wants to do, and his lab simulations suggest that the idea is possible. Mason wants to use a 5kW ground-based laser and a ground-based 1.5 meter telescope t ...more

Bottoms up Turn the Nerf Vulcan EBF-25 so the bottom side is facing up. Find the button Locate the orange section with the round button-looking thing. Find the screw Locate the metal screw behind this section. Unscrew Unscrew the cross-haired screw with a Phillips head ...more

Choosing the right axe for you There are many choices and factors when it comes to buying a new electric guitar. Price, style, quality and comfort are major players. Many new guitarists start off with a box set, one that includes a guitar, amp and cable. These are good for t ...more

In 1782, an English plumber named William Watts came up with a clever method for making shotgun ammo. Watts constructed a six story "shot tower", consisting of a series of perfectly lined up holes, drilled into all six floors of the structure. Watts then poured molten lead thr ...more

PopSci's Gray Matter demonstrates again and again what the layman should absolutely Not Try at Home. Which is precisely what makes Gray's experiments so fun. Remember when the mad scientist fully submerged his hand in liquid nitrogen? Today's demonstration also plays with what ...more

Does this video prove that otherworldly intelligent life has visited Earth? No. It does not prove anything other than there are designs ‘etched’ onto the surface of a field. Does the video immediately above prove that otherworldly intelligent life hasn’t visited Earth? Yeah, y ...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

Keanu Reeves is a really good actor and I'm not even kidding Pity the fate of the blank-faced man or: Why you need to rewatch Bill & Ted's Excellent Adventure Somewhere along the line, around about the time Pacino, De Niro, Brando and Hoffman and Hackman and Eastwood were int ...more

Sodium (chemical symbol Na) is an interesting element. It reacts in contact with both oxygen and water, and several sodium salts are used to produce a yellow color in fireworks. The metallic form has limited uses in chemistry, and is too soft and reactive to be used as a buil ...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

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

In this article, I'll show you how to make a high-powered, long-range, air-powered rocket gun. This launcher is based on a sprinkler valve, a modified propane tank, and a few other components. Though not hard to make, this device is VERY dangerous! The rocket can seriously har ...more

Around the world, X-People (yes... there are X-Women, too) are under attack from an intolerant sapiencentric ruling class. Integration without equality is a farce. Autonomy is denied outright. Human prejudice cannot abide a mutant state. Human fear, born to hate, imposes itsel ...more

Taking apart batteries is one of those things that every adult you've ever known has warned you against. Today, we break the taboo and dive into a lithium battery. Lithium has some pretty cool properties—it burns instantly in water and glows blindly bright under flame. And wit ...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

Bingo! No, this isn't the game where balls fly around in machines and players dab their cards with daubers. In a game of Scrabble, bingo refers to the bonus a player receives when emptying their rack in one turn, which gets them an extra 50 points on top of whatever their play ...more

The joys of summer are many! If you, like me, live in a place where the summer is short, you’re going to want to maximize your fun in the sun by doing as many awesome things as possible before the sun goes back to wherever the hell it hibernates during the cold and dark times. ...more

First Things First Before you can begin to work on a damaged panel, you must determine what type of material that you are working on. For instance, the panel may be mild steel, high strength steel, aluminum, plastic, sheet molded compound, or a number of other types of materi ...more

We've all been there before: We're in a hurry to get somewhere (often in bad weather), so we get in the car, turn the key in the ignition and.....WHUH! WHUH! WHUH! The darned battery is dead! After a stream of choice expletives (that is, if you're anything like me....;o)), we ...more

Whenever we make a homemade circuit, we use what are called through-hole components. Any components with long metal leads is a through-hole component. They are great for soldering to, but it's tough to fit enough through-hole resistors and capacitors into a smartphone. To get ...more

Metal is a great material to work with. It's rigid, tough, malleable and conductive, but sometimes the part we need doesn't exist in any store. In order to create custom pieces, you need to either melt the metal and cast it in a mold, or heat it until it's soft enough to shape ...more

WonderHowTo is made up 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: mathematical sculptures, burning Xb ...more

You can make homemade pizza with a minimum of tools, or you can buy the entire yuppie menagerie (and let's face it—if you're a foodie, you probably want the toys). Below is a brief rundown of the different options available. Since I'm a relative beginner to the process, I've a ...more

Moving up from a point and shoot to a digital single lens reflex camera is a big step. And actually, a DSLR can be a better buy than a new point and shoot, many of which rival the prices of entry level or used DSLRs. Keep in mind when you buy a new body, the lenses are the mos ...more

The very basic building block of street art is the tag. Although most people find them ugly, i just think that every artist needs to start somewhere, for street artists, its the tag. Firstly the tag is basicly writing your name, or whatever name you use for your art on a wall ...more

Creating any object you want is as simple as point and click if you have a 3D printer at home. If you don't have one handy, there are a few companies that offer printing services online. But to help services realize your design in extruded plastic, you have to make a 3D comput ...more

This article will show you how to make a proportionally correct 1/187 (about) size Hubble Space Telescope. I tried to add as many details as possible, but it was hard at such a small size. It was really easy, but it did take a while to make. Here are some specs for the real 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. This week has been an exciting one. The com ...more

WonderHowTo is made up 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: A nostalgia-themed cell phone photo ...more