Piezoelectric Energy In this article, I'll show you how to make a small, wallet-sized device that generates electricity from kinetic energy. The concept is simple: Piezoelectricity is the charge that is produced when certain solid materials (commonly ceramic and crystal) in r ...more
A typical resistance spot welder can range in price from about $200-$800, but with a little resourcefulness and a bit of free time, you can make one like this for about $10 or less. Before starting on this project, there are a couple of videos you should check out, because yo ...more
For so many of us, bakeware is bakeware. As long as it's oven safe and able to tolerate the high heat, it's fine to bake in, right? Wrong! Don't Miss: 7 Must-Know Guidelines Bakers Swear By There's more to bakeware than we realize: the different casserole pans, baking sheet ...more
First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more
To flip, or not to flip, that is the real question. When you're nervously standing over the stove or grill, what do you do with that steak before you? I always believed that to have a perfect medium or medium-rare steak, I needed to let a thick cut of meat sear on one side fo ...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
The potato masher is one of the most dreaded tools in my kitchen; it always gives me flashbacks to when I had to mash potatoes for Thanksgiving dinners while growing up. Don't Miss: 8 Essential Instant Mashed Potato Hacks If you're not fond of mashers either, or just don't ...more
All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary. Terms are liste ...more
Watch to learn how to say the names of things you use in the kitchen, like plates, colanders, and the stove, in French. un espirateur de table - small vaccuum une assiette creuse - a plate with a dip in the middle une assiette plate - a flat plate une balance - balance un batt ...more
Have you always wondered how to make a customizable and efficient TNT cannon in Minecraft? Are you looking to raid some bases on a PVP/factions/griefing server, but don't know where to start? Well, this tutorial will go over how to make a TNT cannon, and the different ways you ...more
What can't coconut oil do? This edible oil, extracted from the copra or meat of a coconut, has done what most other food, beauty, and health trends have not: demonstrated real lasting power. Indeed, the "superfood" continues to make headlines, with its many uses the subject of ...more
Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more
If you're dressing up as someone iconic for Halloween, having the right voice can make or break your costume. Think about it—having a Darth Vader lookalike walk up to you and start talking like Alvin the Chipmunk would probably ruin the effect (and possibly be a little creepy) ...more
Okay, check your Food Safety guidelines at the door, because things are about to get real subjective in here. It's late at night, and you've just stuffed yourself to the gills with that large pizza that you ordered—for one. Yeah, maybe it was a little gluttonous on your part, ...more
If you want to get started sniffing Wi-Fi networks, you usually need to start with a wireless network adapter. But thanks to a Wi-Fi sniffing library written in Arduino and the ultra-cheap ESP8266 chip, you might not need one. For less than $10 in electronics, you can build a ...more
Video: . Whether you are gardening, cooking, riding a motorcycle or just want to cover up on a bad hair day, doo rags are easy to make and fun to personalize to suit to your style. If you would rather just download the durag pattern click here. You will need: Big enough pape ...more
In Minecraft, a large aspect of the game is PVP (Player vs. Player Combat). A hardcore Minecraft fan will remember that back in Beta 1.8, combat was switched up, and it really changed the game around. Here are some tips on what a two-year Minecraft player has to say. Step 1: ...more
Tomatoes are the perfect barometer for kitchen knives and knife skills. If you've ever watched an infomercial for a set of knives, you've surely seen the enthusiastic host waxing about how well the knives cut tomatoes. And if you've ever had your knives sharpened, you've most ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. During last Saturday's Weekly Workshop, we played with redstone combination locks. A redstone combination lock is a redstone device that relies on logic gates in order to power a do ...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
Ever thought your flashlights weren't giving out enough light? Well, change that; watch this video tutorial to see how to make the world's brightest LED flashlight. You will need a vohm meter (volt-ohm meter), wire, thermal paste, a Dorcy flashlight, a soldering iron, and a 90 ...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
New to soldering? This how-to video answers the questions for these common beginner soldering questions: what is flux? what tip should be used? do solder fumes contain dangerous amounts of lead? why regularly clean and tin the iron tip? Watch this video computer-circuitry tuto ...more
Since its release three years ago, Canon's EOS 5D Mark II has been the most sought out digital SLR for photographers everywhere. But it's also becoming a favorite amongst cinematographers, thanks to its compact size and high-def video recording mode, seeing action in everythin ...more
There are a lot of techniques out there for how to cook the perfect steak, from flipping it multiple times to applying a spice rub or dry brine to aging the beef. But it turns out that there's a super-easy way to make a great steak at home, and all you need is a good cast-iron ...more
Making a good crêpe takes practice and commitment. The batter is rich—most recipes incorporate melted butter, whole milk, and several eggs—and the cooking of the crêpe requires good technique. You have to learn to deposit and swirl just the right amount of batter to get the th ...more
Learn how to build an environmentally friendly directional WiFi antenna with this simple video guide. To follow along at home, you'll need the following things: a copper wedge, an N-type connector, some screws, a clamp-on N plug, a pigtail, and a wireless card. You'll also nee ...more
If you're anything like us, then you try to take the easiest route possible when styling your hair in the morning before work. You know: Wake up, brush your teeth, and then wearily comb through your hair a few times with your eyes closed. We love hair let down for that very r ...more
Traveling can be pretty expensive, but your meals don't have to be. Though hot dogs made in the cheap coffeemaker of your hotel room probably won't be the best dinner ever, you can bet that it'll be oodles cheaper than ordering room service or going to a fancy restaurant. If ...more
Every home cook has their most-hated kitchen task. For me, peeling hard-boiled eggs and garlic are pretty high up there. Actually, peeling just about anything is, but for every annoying job, there's a shortcut to make it easier. From the folks at Household Hacker, here are 10 ...more
One thing that's always important to have in your home office is a bulletin board, because they let you quickly display papers that you need to see every day, such as schedules, notes and memos. That's not the only thing a bulletin board is useful for, though. You can also pi ...more
The hidden blade that Altair uses to murder his victims in Assassin's Creed is a great costume piece, and if you don't mind working with metal then you should be able to use the instructions in this video to make a really cool one. From the Creator: 1. A ball bearing slide ( ...more
Unbeknownst to the general public, picking a lock can be a very easy process once you get the hang of it (yes, surprising AND frightening). A vibrating lock pick set takes the general ease of picking even further by speeding up the process. Now, with the help of Invent Geek, y ...more
Since most devices these days are mobile and wireless, a lot of people have a bunch of old hardware from a decade or two ago sitting around unused, just wasting away in dusty boxes. Look familiar? If you have an old mouse (or several) lying around, you can turn it into a wire ...more
Learn how to solve the Hanayama Cast Devil metal puzzle. Hanayama cast iron puzzles are the perfect solution to being bored. This video tutorial will show you exactly how to solve this mind boggling Cast Devil puzzle, which is rated a 4 out of 6 in difficulty by Hanayama. Han ...more
As you get barbecuing this summer, you're likely to encounter a few grills that aren't exactly the cleanest. At parks or campgrounds and even on your friends' grills (or, um, your own), no one wants to place food on gunked-up grill grates. The leftover mess from previous barb ...more
In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitr ...more
Keyloggers are a must-have tool in your arsenal. Hardware keyloggers have the advantage of being undetectable through anti-virus or other protection programs. They also capture keystrokes before the OS even boots up, so they are pretty handy tools. The only issue with these t ...more
Full-size pickups are more difficult than cars when or smaller trucks when it comes to repairs. Even something as simple as replacing the brake pads can become daunting. But if you're changing the brake pads on your Ford F-250 truck, this video will give you some much needed h ...more
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science. Watch ...more
Got an upset stomach or a little heartburn? America's favorite pink pill will cure it right up. But did you know that there's actually metal hiding in those chewable Pepto-Bismol tablets? Yes, metal. Technically, it's a poor metal, but metal's metal, right? Well, we do tend to ...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
Everyone knows who Charles Dickens is—the famous English author responsible for such iconic novels as Great Expectations, A Christmas Carol and The Adventures of Oliver Twist. But what if this Victorian era novelist (who died in 1870) was resurrected into today’s futuristic wo ...more
Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more
Your brain holds a lot of precious information and is capable of great feats. However, there's one quality that doesn't lie among its strengths—memory security. Yes, that's right, your brain can be hacked, and it doesn't take a psychologist to do it. Anyone with the right know ...more
Are you tired of wasting diamonds and iron on creating hoes? Are you looking for a fun way to farm melons? Or do you simply want to show off to your friends? This tutorial will go over how to make a jaw-dropping semiautomatic melon farm. Not only will you be the talk of the se ...more
Even the most seasoned kitchen cooks experience the annoyance of accidentally burning food on their pots, pans, and casserole dishes. When dishwashing soap and water doesn't work, what is the best way to remove burned-on gunk from your cookware? For the simplest method that r ...more
Eggs are a staple food for most Americans, which is no surprise, considering how necessary they are in savory and sweet recipes alike. On their own, they're usually not too eggs-citing. However, these clever egg hacks will make your egg-making easier, more fun, and more intere ...more
This film is about gold. Gold diving. Use of the hookah rig to find gold. Gold flakes, nuggets, and platinum nuggets are shown. Gold and platinum are 15-19 times heavier than other streambed materials and concentrate in low pressure areas and cracks that run across rivers and ...more
Defined by Urban Dictionary, Nerdtastic: Something generally not cool, but to a nerd it's freakin' fantastic. Below, a collection of WonderHowTo's top 10 favorite, utterly nerdtastic Halloween costume tutorials. The clock's ticking, so if you don't have your costume yet, perus ...more
Keeping apples or avocados from browning after being cut is impossible; within minutes of being exposed to air, these fruits (yes, avocado is a fruit) begin to brown. No matter what you try—adding lemon juice, keeping the pits in place, immediately sealing the produce in an ai ...more
Want to make your own sexy (or not) Tron costume like designer Syuzi's? All you need is a black body suit and some electroluminescent wire. The bodysuit is easy, but as for the electroluminescent wire, you'll need Adafruit for that: "EL Wire, also known as Electroluminescent ...more
Destroy Black Ops Noobs First of all, these tips are great for any consoles that run Black Ops. Whether it be your Sony PS3, Nintendo Wii, XBox 360 or your PC. Internet Connection Before you put the game in to your console, make sure that your internet connection is consist ...more
Flooring is a very important part of your Minecraft builds. I've already shown you the three types of flooring designs and went into further details about inset flooring. Now it's time for the second main category of floor types—patterned floors. Patterned floors use two or m ...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
Welcome back, my nascent hackers! We have spent a lot of time in previous tutorials focused on hacking the ubiquitous Windows systems, but the vast majority of "heavy iron" around the world are Linux or Unix systems. Linux and Unix dominate the world of Internet web servers w ...more
Sometimes the best way to hide things is in plain sight. Whether you're trying to sneak some medication past security at a concert with a zero-tolerance policy, or you're just worried that maybe Omar comin', YouTuber MrGear has a clever way to put your mind at ease. In the vi ...more
A long time ago I was reading an issue of Saveur and saw an article about a trendsetting bar in Portland. The bartender at the joint had started making enormous blocks of smoked ice for his cocktails. When a patron ordered a drink that called for the smoked ice, the bartender ...more
Watching an ice cream pro build you a custom frozen treat mixed with your favorite fruit, candy, and/or toppings makes buying a cone even more exciting. But why go out for ice cream when you can create your favorite combinations in your own kitchen? While you might not have an ...more
Once you've reached an age where sparklers are no longer fun, it's time to upgrade to science and steel wool. It may be basic chemistry, but as you'll see in the video, simplicity can amaze more than complexity, as well as create some really impressive fireworks that are perfe ...more