Homemade Gas Engine

Forget electric cars, quit mixing your at-home biodiesel; just attach one of Dutch John's handy wood gasification contraptions to the back of your car and fuel your transportation with backyard wood chips. Says DVICE, "This old Volvo modified by a guy calling himself Dutch J ...more

Gottlieb Daimler's "Revolutionary Riding Car" of 1885 doesn't look like a car (in truth, it would be more analogous to what we recognize today as a motorcycle), but it did mark the very first inkling of the automobile age. Wired reports: "Under the strictest etymology — the ...more

As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the pri ...more

I finally got around to trying out this jam jar jet project. The most successful and longest lasting pulse was somehow the only one I did not record. You can imagine how frustrating that probably was, though my tenth and final attempt was nearly as satisfying. But even the fai ...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

Anonymity is something that doesn't exist today. Everything you do in the world is tracked, from the purchases you make to surfing the internet—even taking pictures on your iPhone. Everything you have ever said and done on the internet is still there—somewhere. This is called ...more

Unfortunately, I'm a little behind schedule on my pizza dough making mission, but I promise - more experiments coming soon! In the meantime, here's a beautiful video about the nuance that goes into bread making, as demonstrated by famed San Francisco baker Chad Robertson of Ta ...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

If you're like me, you were always jealous of the kids with rich parents who got to ride around in their own Power Wheels cars. Now that I am tall enough to sell my body and time, I find myself attaining childhood dreams like buying my own Power Wheels car. I would not have ch ...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

One of the things I consistently notice amongst fellow internet users is that many people don't know how to properly search for stuff. Google may have served you well in the past, but I'm going to share a few little tricks with you to help make your search results even spiffie ...more

Step aside, ginger ale; ginger beer is here, and it's delicious. Ginger beer is made by fermenting a combination of ginger simple syrup, yeast, and water, which gives it its robust flavor and sparkling quality. It's extremely simple to make, but you do have to wait a bit for ...more

Yves Rossy, AKA Jetman, attempted to fly across the Atantic from Morocco to Spain yesterday. His homemade, jet powered wings "span 8 feet and are powered by four kerosene-fueled jet engines." Homemade?! Flying across the Atlantic in homemade, jet powered wings demonstrates so ...more

Listen to KipKay. He's quite the crafty how-to guru. Suggestions vary from adding acetone to your gas tank (a practice banned in Vietnam for it's damage to engines) to emptying your trunk of all it's unnecessary junk. Save gas.

Whether you're a professional mechanic, a hobbyist, or someone who just wants to know why their check engine light came on, your Android device and an OBD-II adapter can provide insight as to what's going on with your car. Most adapters sell for less than $10, and once you plu ...more

If you've ever turned on an episode of Iron Chef or Top Chef, chances are you've seen a contestant in gloves and goggles, yielding a canister that looks far more fit for a chemistry lab than for a kitchen. Wonder what's in the canister? Liquid nitrogen, the go-to tool/ingredie ...more

Mixing water and electricity is extremely risky and potentially lethal, yet that's exactly what I did with the Scariac. In its simplest form, the Scariac is just a glorified version of two wires in a bucket of water, but it's actually one of the cheapest power controllers you ...more

It's that time of year where you need to break out the grill and cook food over red-hot coals, whether it's the beginning, middle, or end of summer. Even if you're not a grill master extraordinaire, you can use these hacks to fool your friends and family into thinking that you ...more

You can do a lot with liquid nitrogen, including freeze and shatter gummy bears, make homemade Dippin' Dots, and scare the crap out of your friends by dipping your hand in it! If you can't get your hands on any, you can even make it yourself. Or, if you want to try something a ...more

Common knowledge is a funny thing: it represents a majority's opinion on a particular subject and somehow makes that opinion fact. If that 'fact' goes unopposed and unchallenged, then it is passed on and preserved from one generation to the next—regardless of whether it is tru ...more

You've made a bottle rocket (or ten) and a sparkler bomb, and now you want to put those empty plastic bottles to a new pyromaniacal use. With a little rubbing alcohol and a match, this video by io9's Esther Inglis-Arkell will show you how to make your own homemade rocket boost ...more

A spectrometer is a device that splits light into all of the different colors it's composed of that can't be seen with the naked eye. It does this by using a prism to refract or bend the light. Jeffrey Warren over at Public Labs created a tutorial showing how you can make your ...more

Want an electric car without the price tag? You could always build your own, or maybe just hack your old gas guzzler into an eco-friendly electric machine... This weekend at Defcon, security consultant David Brown showed off his "Voltswagon" project, a 1974 Beetle named Shocky ...more

This homemade hairspray-powered PVC rocket takes less than an hour to construct and only costs about 20 dollars to make. Check out my video below for the step-by-step instructions on building your own backyard rocket, and follow the written guide below for reference. Video: . ...more

Mixed reality developer Arvizio has updated its MR Studio software suite to integrate processing of 3D light detection and ranging (LiDAR) point clouds. The new capability makes the enterprise collaboration software for Microsoft HoloLens an attractive solution for architectu ...more

Salad greens are a staple in my house and for good reason: they're cheap, nutritious, and work as a base or an accompaniment for almost all meals. However, it's all too easy to forget about them and then pull out a bag filled with sludgy dark goo or yellow, inedible leaves. T ...more

Onions add essential flavor to almost any dish, whether it's a sauce, main dish, or salad. They are one of the humblest "superfoods," full of vitamins and nutrients but generally inexpensive, which is why they're also one of the most widely eaten ingredients in the world. Her ...more

Jerky is one of the tastiest snacks in existence. It's packed with richness, saltiness, and spiciness, and it's one of those things that you can't stop eating once you start. It's also fairly expensive, unless you're opting for the gas station variety which is… er… jerky in th ...more

Welcome back, my hacker novitiates! Now, and more so in the future, wars will be fought hacker v. hacker. The number of soldiers, guns, tanks, and ships will be less important in your success in warfare than the number of well-trained hackers you have. Every nation and every ...more

Having someone send you flowers will almost always lift your spirits. Wilting, dying flowers, on the other hand, aren't so great to look at and smell even worse. While there are time-honored tricks to keep flowers alive longer (change the water regularly, put a penny in the bo ...more

Microsoft is working hard to make Bing a good alternative to Google for more than just looking up images of the "human anatomy" that Google and a lot of other search engines filter out of their results. The Bing App home screen has five buttons that let you start searching qui ...more

A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more

There are so many cutesy pink, red, and heart-shaped desserts and drinks put out on Valentine's Day, but none of those really get you into a low-light mood. Instead, turn up the heat with one of these aphrodisiac cocktails for grown-ups. What all experts seem to agree on is t ...more

Most carmakers now agree with Waymo that piloting driverless cars is best left to the machine — with no meddling from the human. In Waymo's case, this assumption dates back years ago. More recently in 2014, Google's driverless arm (before it became Waymo) shocked Detroit when ...more

Tonic water, seltzer water, club soda, and mineral water: these 4 types of "bubbly water" are often, erroneously, used interchangeably. But the truth is that each possesses unique qualities and uses that set them apart from each other. Most experts can tell types of bubbly wat ...more

Here's how to make dry-ice at home, or wherever you feel like it! All you need is a pillow case, and a CO2 fire extinguisher. Video: . WARNING: Dry Ice is extremely cold! (-78C/-109F) and can cause instant frost-bite to exposed skin. This project should not be attempted withou ...more

Fight me all you want, but it ain't a party without alcohol—whether it's a Halloween party, Christmas party, dinner party, or even a damn wedding. (If you think that people will stick around after dinner for a dry wedding, then you're sorely mistaken.) And while we'd all love ...more

Most of us lead busy, work-filled lives, often clocking in a 9-to-5 five days a week. And when that clock signifies the hour to leave, the last thing on anyone's mind is: "Time to go to the grocery store to pick up more fresh produce!" (Well, to be fair... maybe more people ar ...more

The origins of vodka are shrouded in mystery, with both Russia and Poland laying claim to its invention. Some say Genovese merchants brought vodka (then known as aqua vitae, or the water of life) in the late fourteenth century to Russia. For many years, vodka wasn't just an al ...more

Aluminum foil is one of those things that every cook, experienced or just starting out, has in their kitchen. And while we may think we know how useful this handy material can be, there are hundreds of ways we could be utilizing tinfoil to make our lives a whole lot easier. 1 ...more

Hello, all. In this article, I will be showing you how to make one of the most useful products known to man. I am talking, of course, about charcoal. You might be surprised at just how many uses this stuff has. You can use it to purify your drinking water, replace your aquari ...more

Just because a problem is small or superficial doesn't mean it can't annoy the living crap out of you. Others may think you're overreacting, or even have the audacity to roll their eyes, but you're in your own personal hell. First-world problems, white whines—call it whatever ...more

Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigato ...more

Not that long ago I wrote an article discussing what it would be like, realistically, if you were to accidentally travel back in time to the Victorian era. At the end of that article, I mentioned that the best thing you could bring with you on a time-traveling adventure is a K ...more

Over the past decade, Marvel Studios has been a dominant force at the box office, raking in more than $21 billion dollars. Averaged out over that span of time, the yearly earnings of those movies outweigh the gross domestic product of some countries. And while those films hav ...more

Your iPhone is full of features, many of which you might not even know about yet. Still, Apple keeps adding feature after feature with each new iOS update, and iOS 14.5 is no exception. The latest iOS version adds at least 69 features for your iPhone that you should be happy a ...more