Surface

In Monday's post, we created a sliceform model of a hyperbolic paraboloid. In today's post, we will create a similar model using skewers. The hyperbolic paraboloid is a ruled surface, which means that you can create it using only straight lines even though it is curved. In fac ...more

This two-part series (second part here) will teach you literally everything you need to know in order to make pretty much anything out of leather. There are some advanced techniques that I don't cover in this guide, but these are the basics. With these skills, you'll be able ...more

A well designed sleeve is very important to creating a top or jacket that fits comfortably. Get your correct measurements before you begin. Please view the following step-by-step instructions and accompanying video and diagram to create the basic sleeve. Video: . Step 1: Measu ...more

As pentesters and hackers, we're going to be working with text frequently — wordlists, configuration files, etc. A lot of this we'll be doing on our machine, where we have access to whatever editor we prefer. The rest of it will be on remote machines, where the tools for editi ...more

There is and always will be a staunch anti-microwave camp, but they're a fact of life. The whole point of a microwave is convenience, right? But it's not so convenient when you pull out reheated leftovers and discover that your food is only partially warm. Why Your Food Is He ...more

If you don't like watching YouTube videos on your computer with your hand glued to your mouse, the next best thing is using keyboard shortcuts. They may not seem any easier than clicking, but once you get them down it's a whole other story. Plus, there are some features you mi ...more

Steampunking Nerf guns by painting them is a pretty common practice among Steampunks, but unfortunately, the really amazing-looking ones involve literally taking the gun apart, painting it, and then screwing it all back together. Well, I'm glad that some people can do that, b ...more

These measurments should be taken and recorded before drawing up you clothing design pattern. Wear the bra and panties you will be wearing with the final garment. Another option, especially if you are going to be selling a series of the garments, is to follow a size chart. Whi ...more

What is a burn? It's a form of injury to body tissues which is caused by heat, corrosive substances or friction. There is another form of burn, which is known as scald; it results from exposure to hot water or steam. There are three degrees of burns, explained below. First d ...more

My father never cooked a meat without some kind of marinade. He always used a slew of ingredients: salt, pepper, Season-All, Cajun seasoning, vinegar, olive oil, liquid smoke, Worcestershire, hot sauce, onions, lemons... I'm pretty sure this isn't a complete list, but I've hon ...more

Wow, naked + batman + tattoo/body painting = some pretty "out-there" art... Korean artist Kim Joon has been fascinated with tattoo culture ever since his days in the military as a young man. Since, he has taken his obsession into the fine arts realm, treating the human body l ...more

The next time you go out for sushi with friends, impress your company by fashioning your own chopstick rest using the paper wrapper the wooden chopsticks come in. Keeping the ends of your chopstick off the table surface makes for good hygiene (who knows when was the last time ...more

Lying is awesome. From a very young age, children learn that flat out denying the truth gets you out of trouble and helps keep you calm in the face of horror. But what happens when you just have to know if someone, say, used your toothbrush? You could ask them to take an expen ...more

Grilled cheese is one of my favorite foods, ever. However, there are times in my life when I haven't had access to a full kitchen, and it's pretty hard to make a good grilled cheese sandwich without one. Don't Miss: Make Amazing Grilled Cheese Sandwiches Every Time Thankfull ...more

If you're going to build yourself a water gun to cool down this summer, or maybe just a useful water pump, you'll need some check valves. However, the most expensive parts of a water pump or DIY super soaker are usually the check valves. So, let's make some from scratch for as ...more

Whether you choose to hang an authentic or artificial pine Christmas wreath on your door — or an entirely different type, like ones made of paper waste or even food — chances are you've spent a year or two struggling with how to keep your decor hanging. With one easy to apply, ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

Since its introduction on the iPhone 5S, Touch ID has made unlocking Home button iPhones quick and secure. The second-generation iPhone SE brought back the beloved feature in 2020 but didn't take any steps to improve on the technology. So if you're rocking Touch ID and having ...more

Fondant looks pretty, but man, it sure does taste weird. Don't Miss: How to Frost Your Cake Like a Pro If you've ever slaved over decorating a cake with fondant, you know how disappointing it is to watch people peel it off and only eat the cake. You can avoid this by skippi ...more

Samsung phones have a pretty nifty little feature called Smart Stay that will prevent your screen from turning off while you're actively using your device. Trouble with this is that it's exclusive to Galaxy devices and it uses a ton of battery since it monitors the front-facin ...more

Welcome back, my hacker novitiates! Every so often, a MAJOR vulnerability appears that makes millions of systems vulnerable to attack. The most recent, named Shellshock, basically leaves every Mac OS X, Linux, and UNIX system on the planet vulnerable. As nearly two-thirds of ...more

Surveying a target's Wi-Fi infrastructure is the first step to understanding the wireless attack surface you have to work with. Wardriving has been around since the '90s and combines GPS data and Wi-Fi signal data to create accurate, in-depth maps of any nearby Wi-Fi networks ...more

There are a few ways to make trapdoors, but out of all of them, this one is my favorite. It's fast, completely hidden, and both opens and closes. This particular trapdoor can be used for a variety of purposes, such as hiding your valuable possessions, having a secret entrance ...more

When you know how to cook it, tofu is a delicious dish in and of itself—truly. Too many people have been subjected to poor quality or badly cooked tofu and told to eat it because it's a "healthy alternative" to meat. Usually what they bite into is a bland, rubbery mess coated ...more

While iOS 11.3 doesn't have as many new features as iOS 11.2, there's still a lot to love about Apple's latest update for iPad, iPhone, and iPod touch, even if some of the best features we were expecting didn't make the cut. Apple released the iOS 11.3 beta on Jan. 24, and ju ...more

After years of making do with a cheap knife, I finally bought a really good 8" chef's knife—a Henckels, although I was also eyeing a Global santoku. It quietly but literally changed my life. I don't have amazing knife skills, but having a great piece of equipment in my hands ...more

The majority of Android devices have built-in sensors underneath the hood that measure motion, position, and several environmental parameters that provide data needed to monitor your movements and adjust accordingly. When the Samsung Galaxy S4 came out, they included for the ...more

Many home cooks were taught never to press down on a burger as it cooks since that would ruin your all-beef patty by getting it to release the juices it needs to stay tender and moist. Turns out that is total hooey—a complete myth. In fact, wildly successful burger chains Sha ...more

In a previous article, I demonstrated an Arc Welder made using parts from old microwave ovens. Video: . Here is part 1 of 2 on how that arc welding machine was made, and how you could make one too! This is the first of two parts on building it, focusing on the modification of ...more

The paper towel is a wondrous invention. It allows cooks to wipe up really gross stuff without having to constantly do laundry and drain fried foods so they're crunchy and crispy instead of oily and heavy. But did you know that your humble paper towel has several other uses be ...more

Many home cooks struggle to cook duck breast because they cook it as they would chicken. But not all poultry is created equal, and duck is definitely unlike chicken. For starters, the breast of the duck is a rich, dark meat, and the cut is covered by a thick slab of fat. When ...more

Cars are quite different than they used to be. Sure, modern cars have some cool things, but repairing them are becoming difficult. Even simple things like changing a headlight bulb. The pontiac G6 is not as hard as some of them, but it can take some time. The headlight is tuc ...more

Summer is the season to enjoy stone fruit: peaches, plums, nectarines, and apricots are all kissed by the sun and bursting with juicy flavor—which is all well and good when you're eating them as is. But trying to cut up soft, ripened stone fruit for jams, baked goods, chutney ...more

How to install concrete anchors.How to attach timber / wood to concrete or any other SOLID masonry surface using masonry anchors / DynaBolts. DynaBolts (that's the name for this particular anchor in Australia. They are know by other names in other countries) are the ideal anch ...more

The status bar is where we get all of the important need-to-know information for our phones. At a quick glance, you can see what time it is on your Samsung Galaxy S3, how much battery power you have remaining, your current signal strength, and more. But after a while, things c ...more

In one of my previous articles, I showed off how to make water freeze into ice instantaneously. In this article, I'd like to elaborate on this, and show how a glass of water can turn to ice instantly on command. What exactly is this supernatural power? Discover the secrets to ...more

Most people give their fruits and veggies a cursory rinse under the faucet before eating or cooking them, but is that few seconds under running water really enough to remove any remaining dirt, pesticides, or wax clinging to the surface? Nope. Fresh fruits and veggies are pa ...more

Video: . Do you want to save space at home or in luggage? Then this type of folding is for you. It is called the roll fold. It is inspired by the Military or Army roll, but not as strict. Step 1: Flat Surface Place your shirt on a smooth flat surface. Step 2: Fold the Botto ...more

Theming and modding are a big part of the softModder community, but there are endless ways to customize our Android devices. Which ones should you download? Which ones should you avoid? It's extremely frustrating to find them all—and pick and choose. Now, thanks to developers ...more

Whether you call it chicken-fried steak, country-fried steak, Milanese, wiener schnitzel, or breaded cutlet, there's something irresistible about a piece of meat that's been treated until it's thin and tender, dredged in beaten egg and flavorful bread crumbs, then fried until ...more

I love my cast-iron skillet, but I never seasoned it properly. Instead, I took that sucker out of its packaging, wiped it down with a damp cloth to remove any factory dust, and started cooking with it ASAP. And you know what? It works just fine. Here's the thing: if you have ...more

If you have a good food processor or blender, there's no reason not to make your own nut butters, whether you like almond, cashew, sunflower, or the perennial classic, peanut. Not only can you control the taste, sweetness, crunchiness, and oiliness of the butter, you can also ...more

How often do you fight with your shower doors? Maybe not literally (although my elbow has smacked the hard glass many times), but when it's time to clean the bathroom, getting a few weeks' worth of soap scum and grime off the shiny, clear surface becomes an insurmountable task ...more

Get ready to draw like Leonardo da Vinci, or, at least, trace like him. A new augmented reality app, SketchAR, is the first mobile app that uses AR to allow users trace an image on real paper. The Lithuania-based company describes their product as "an application through which ...more

Duct tape is the king of all household items. You can use duct tape for practically anything, like this sweet wallet. But duct tape isn't the only crafty tape out there; masking tape holds its own, too. You may already know that you can make homemade speakers using an inflate ...more

There is no greater food to master than steak. If you can make a steak that's only marginally better than your neighborhood Applebee's, you'll still have friends waiting outside your door for steak night. And if you can make steak as good as that expensive gourmet steakhouse y ...more

Spiders are common pests that typically prefer to live outdoors. However, insects and warmth will eventually attract them into our houses. They like to spin their webs in corners, crevices and unused areas of your house. Most species are harmless and even act as a natural repe ...more

Few things in life are as exciting and magical as fire. And setting things on fire while cooking? Well, now you're speaking my language. I'm not talking about grilling, though I do love some outdoor cooking. No, I'm talking about the most badass trick in any cook's arsenal: th ...more

If you're part of the Windows 10 Insider Program, build 15048 launched this morning, and included a nice big unannounced surprise. You can now launch the Mixed Reality Portal and enable the simulation to try out mixed reality right from your PC, even if you don't have one of t ...more

"Tempering chocolate" is one of those intimidating-sounding kitchen tasks that keeps novice cooks away from some really fun stuff like making candy, chocolate-dipped biscotti, and fruit. It's really not as hard as it sounds, and although you can skip this step, it really make ...more

Summertime is officially here, which means that the likelihood of someone leaving a glass of cold water on your wooden furniture without a coaster and leaving behind an annoying water ring mark on the surface has increased tenfold. What can you do to get rid of that annoying m ...more

The iPhone XR offers a discounted experience compared to the expensive iPhone XS and XS Max. However, that lower price tag comes with some caveats, such as "Haptic Touch" in lieu of 3D Touch. If you think these two "touch" features are the same, think again. Before you get an ...more

It's easy to lose oneself when playing Minecraft and easier still to get plum lost. That's why it's always good to have a compass on hand. No compass? No problem. There are, in fact, no fewer than seven methods at your disposal for finding true north in a Minecraft world. Bett ...more

Apple has something big in store for consumers in 2017 to mark the 10th anniversary of the iPhone. One major surprise is that Apple has decided to forgo on releasing a 7S in favor of a redesigned iPhone 8 and 8 Plus. To further commemorate its 10-year milestone, the Cupertino- ...more

In Minecraft, many people enjoy "Faction" aka "Raiding" multiplayer servers for their unique gameplay and survival aspect. Plus, it's always fun when you find a chest full of somebody else's free stuff. In this guide, written from years of experience with PVP and base creatio ...more

I know it seems a little redundant to post this when I've already posted a video, but it is kind of hard to get more than a vague idea from the video alone. I hope this sheds a little more light on the subject. I'm sure it also seems like I'm beating this idea to death, but th ...more

Making your own circuit boards can be a daunting challenge. You have to design a schematic, test it on a breadboard, design the board layout, and then after all of that, you still have to print and etch a board! Luckily, we have Fritzing. Fritzing is a free open-source PCB d ...more