How to Make an Knife

With one exception, every time I've ever cut myself in the kitchen was due to a dull knife. The duller the knife, the more force you have to exert to use it and the higher the number of cuts it takes to get the job done. Of course, many would say the simple solution is to jus ...more

Although wear and tear on kitchen knives is unavoidable, it's extremely frustrating when I can't cut through tough, fatty tendons in meat or even make a clean slice through an onion. If you don't have a steel rod or water stone to sharpen your knives, or even a cheap knife sha ...more

Greetings, all ye happy miscreants! In my last article, I showed a certain technique for throwing a knife without spin. If you haven't read that article yet, do so now. This article will be useless to you if you have not read my article on proper throwing technique. Anyway, in ...more

A spare key is one of those things that never seems like a huge deal until you need it. If you've ever lost your keys, had them stolen, or locked yourself out of your house or car, you know how difficult and embarrassing it can be trying to get your door open. So, how would y ...more

Unless you like boxed wine, your wine bottles are going to either be sealed with a cork or a screw cap, the latter of which should not be frowned upon, especially if it's white wine. However, most wineries still prefer corks over screw caps, and that means you'll need a corksc ...more

Ask ten different people how they feel about boxed cake mixes, and you'll likely get ten different answers. Some baking purists will berate them and throw them in the same category as garlic presses and knife sets sold on infomercials. Many people will say that they prefer not ...more

Most recipes don't specify what type they mean when they call for onions. While using whatever kind you already have won't necessarily ruin a dish, using the best one for what you're cooking will definitely make your food taste better. There are no strict guidelines for what ...more

Ok, so you've memorized the list of valid 2-letter words, but when challenged after playing one, can you smugly demonstrate your dominating intellect by spouting out the proper definition? If you're anything like me, chances are you'll find yourself babbling something defensi ...more

Lockpicking is a skill that takes years upon years to master. Locks come in all sorts of shapes and sizes, but have common ground in how they work. Most cylinder locks have "tumblers," which are metallic cylindrical objects that sit vertically to the actual locking mechanism. ...more

Everyone knows how to make paper snowflakes, but the kind you learned to cut in kindergarten can get a little boring. However, they are free DIY holiday decorations, and they don't have to be a generic snowflake design. They can be anything you want, from nerdy math kirigami t ...more

In this article, I will be showing you how to make a crude form of aspirin from the bark of a willow tree. It is a great remedy for headaches, hangovers, and other minor pain. The use of the willow tree as a mild pain reliever goes back to the Native Americans, who used it in ...more

Bees are the key to pollination and healthy vegetation, and wasps may help by assisting in pest control, but despite their benefits in the world, they're still a real pain in the ass if they're in your face. This would probably warrant an expression stronger than "pain in the ...more

For over 20 years, a tiny but mighty tool has been used by hackers for a wide range of activities. Although well known in hacking circles, Netcat is virtually unknown outside. It's so simple, powerful, and useful that many people within the IT community refer to it as the "Swi ...more

Yes, I know it's autumn and the trees are losing their leaves, but the seasons do not decide when I can or cannot enjoy ice cream. No matter how warm or cold is is outside right now, I will remain completely fascinated by rolled ice cream. Yes, rolled. Video: . Don't Miss: Cre ...more

We love tearing apart security here at Null Byte. Several years back, upon returning items to Wal-Mart due to a malfunction, I noticed something very peculiar about the way their overall procedure goes. I brought the item up to the desk, and the woman asked if it didn't work, ...more

Your smartphone stays with you everywhere you go, so it's only a matter of time before you spill coffee all over it or drop it on the ground. For some of you, it has already happened, perhaps even multiple times. That's why we thought it was important to find out which flagshi ...more

The artwork for Minnesota's Land O' Lakes butter packaging is classic, dating back to 1928 when it was first created by Brown & Bigelow illustrator Arthur C. Hanson. The logo was updated ("modernized") once in 1939, again in the '50s, and has undergone minor modifications here ...more

When I first started cooking, if I saw lemon juice or zest in a recipe, I almost always left it out. Unless it was a main component, I never thought it made much of a difference in the overall flavor of the dish, but I couldn't have been more wrong. Citrus fruits can make a w ...more

Welcome to Math Craft World! This community is dedicated to the exploration of mathematically inspired art and architecture through projects, community submissions, and inspirational posts related to the topic at hand. Every week, there will be approximately four posts accordi ...more

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going t ...more

No matter what the clean freaks out there try to tell me, I still drink my Los Angeles tap water without a care in the world. I figure that I've already consumed much more heinous things in my lifetime. Street vendor "steak" burritos comes to mind. However, if there's easy ac ...more

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of ...more

Computer Science Professor Francesco De Comité has a fantastic gallery of mathematical images on Flickr. As part of this collection, he has a few hundred images of real or rendered polyhedra made out of paper or playing cards which he calls "slide togethers." These are constru ...more

The best part about April Fool's Day is that everyone is fair game. Even big tech companies like Google and Twitter get in on the action every year. It encourages even the most uptight, unfunny party-poopers among us to have a little fun driving each other crazy with pranks — ...more

We've already taught you a few tricks for getting chilled, rock-hard butter to spread easily on toast, and some of you probably bypass that issue entirely by purchasing spreadable butter from the supermarket. But why waste your money when you can make a healthier, tastier vers ...more

We like our Egg McMuffins around here, albeit homemade with our preferred ingredients: whole wheat (or homemade sourdough) English muffins, a slice of thick Tillamook cheddar cheese, a meat, perhaps, like Canadian bacon, and finally—that perfectly-fried, perfectly-shaped egg. ...more

There are many tools out there for Wi-Fi hacking, but few are as integrated and well-rounded as Bettercap. Thanks to an impressively simple interface that works even over SSH, it's easy to access many of the most powerful Wi-Fi attacks available from anywhere. To capture hands ...more

Want a face lift? Scared to go under the knife? Then, your solution is dimethylaminoethanol. Um... what is dimethylaminoethanol? Well, most people know it as DMAE, and if you're a Dr. Oz fan, chances are you've already come across this surgery-less solution for looking young ...more

Apple gave the Messages app a massive makeover with iOS 10, with a slew of options that made iMessages on the iPhone a lot more fun. While not quite as comprehensive, iOS 11 builds upon that success and makes the app more user-friendly and all-inclusive. iOS 11 brings plenty ...more

Smartphones and tablets are great for watching movies and videos while you're out, but at home, the screen is just too tiny. There are quite a few projectors on the market that work with mobile devices, but they can get pricey. The good news is that it's pretty simple to hack ...more

Knowing if your meat is cooked properly is both the difference between a delicious meal and an inedible one... and the difference between making your guests sick and keeping them safe. Yes, you can use a thermometer—but not everyone has a reliable gauge, and sometimes you may ...more

Mechanical locks have been around since ancient Egypt, with the oldest known artifact found in the ruins of Nineveh, an ancient city in Assyria, Mesopotamia, which is just across the Tigris River from what is now Mosul, Iraq. It was a forerunner to our modern-day pin tumbler ...more

Sushi rolls, known as makizushi in Japanese, are only limited by your imagination—and your ability to roll them neatly, of course. While it may seem like a lot of effort, rolling sushi is a snap if you have the right tools. If you plan on making sushi rolls a lot at home, a b ...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

The iPhone X ushered in the Swiss Army Knife-like Side button, which can perform numerous functions, such as summoning Siri and opening Apple Pay through click gestures. This has carried over into the iPhone XS, XS Max, and iPhone XR, so if you've upgraded to one of these devi ...more

You've probably seen someone in your family truss the turkey on Thanksgiving before roasting it, even if you don't recognize the word. To truss a bird or roast just means to wrap it up as compactly as possible before placing it in the oven, and it's usually done by tying it wi ...more

The software released in the 2015 iterations of the Samsung Galaxy line of devices—the S6, S6 Active, S6 Edge, S6 Edge+, and Note 5—have some pretty neat camera features that give these devices arguably the best smartphone camera on the market today. Out of the box, Samsung's ...more

There are few kitchen tools as elusive as the oyster knife. Many people—even seafood lovers—don't own one. If you do own one, it probably gets used so infrequently that it gets sent to the very back of the shelf where it proceeds to get lost. Then you accidentally find the kni ...more

Using spaghetti squash "noodles" for a healthy, low-carb meal seems like such a great idea, but as many of us know, turning this vegetable into a decent pasta facsimile usually has less-than-satisfying results. The usual method is to cut the squash lengthwise and roast, microw ...more

Two slices of whole-wheat toast with lots of butter. Two eggs, poached to a firm yet custardy texture. The yolks should absolutely not be hard-cooked and the whites should be tender, not rubbery. That's my idea of the perfect breakfast. A golden, runny-but-not-liquid yolk, cre ...more

Americans consume over 1.2 billion pounds of potato chips each year, making it one of the most popular snack foods in the United States. If the entire population were addicted, it'd be about 4 pounds per person each year. Not everyone does, though, so it'd be more realistic t ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more