Changing Bike Tube

QI and ZA. QI n pl. -S the vital force that in Chinese thought is inherent in all things ZA n pl. -S a pizza For over a decade, these words have been used in SCRABBLE play, but not in the US or Canada. It wasn't until their addition in the Official SCRABBLE Players Dictionar ...more

In this article, I'll be covering Triggers and Coils, part two of the series (see part one here). Generally, a simple EMP generator consists of four components; a capacitor, a transformer, a trigger and a coil of copper wire. The transformer component can be varied, but the co ...more

What Am I Doing???? Last night, I was reminded on the negative impacts of striving for perfection. It's not possible to be perfect. We describe many things as being perfect. IE, an afghan, a hat, a tablecloth and more over, there is always something better... a different colo ...more

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...more

In this series on weaponized lasers, I'll be exploring the function, operation, strength and building instructions for three basic laser weapons; CO2, Diode, and Flashlamp. These laser types are just a few of many, selected because of their simplicity and basic construction (d ...more

Last Thursday, on October 7th, indie game developers from around the world walked down a red carpet in Santa Monica, California in the hopes of winning an IndieCade award. We previously discussed the IndieCade festival and conference, but the award show is a smaller, more incl ...more

In our media-enriched world, past and present, SCRABBLE has made a name for itself, whether deliberately, subconsciously, or influentially. You may have a read a book that had the popular word game within a chapter, watched a movie that showed your favorite characters bringing ...more

Making your way into an online community can be really exciting. Some life-long friendships and lasting romances begin in humble chat rooms and message boards. But for the novice internet user, one of the biggest hurdles can be trying to figure out just what people are saying ...more

Guitar pedals add character to your playing. However, musicians still say that certain pedals by themselves don’t live up to its promise of a perfect sound. Therefore, instead of replacing your guitar pedals with new and expensive ones, you can modify your pedals using differe ...more

By Louis Tharp RealJock.com is pleased to present this first in a series of articles on improving your swimming form and performance from Louis Tharp, out gay man, swim coach for the Army Triathlon Team at the U.S. Military Academy at West Point, and author of the new book Ov ...more

What happens when you find your ball deflated and there's no pump or needle in sight? You could always cancel your plans of kicking around the soccer ball or starting that pickup football game in the park. Better yet, you could be terribly clever and find another way to get ai ...more

How can a drug used to treat cancer be effective against viruses, too? The answer lies in the drug's shared target — specifically, cellular components that control the activity of genes. A new research study showed that one such type of drug, histone methyltransferase inhibito ...more

We've seen compressed air power a homemade rocket, shoot erasers across the room, and even remove dents from a vehicle, but how about breaking a bike lock? As Theodore Gray of PopSci explains, no matter how tough your lock is, there's one thing that will defeat it every time— ...more

A strange thing is happening: there are people, groups of people even, walking the streets day and night staring wide-eyed at their mobile phones and laughing like manic children. What are these people doing? Are they taking pictures? Are they participating in some new social ...more

Silence spreads over these mountains like nothing I've ever felt. If I didn't have Moby blasting in my earphones, there'd probably be no other sounds around. Well, except for someone, Phil probably, murmuring in a nearby tent just low enough to make his words indiscernible. W ...more

Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...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

You don't have to be a frequent flyer to know how indispensable navigation apps have become. Many of us rely on these apps for traveling from state to state and getting around in foreign cities, but even more of us count on these apps to beat rush hour traffic and find the qui ...more

HoloLens developer Michael Peters of In-Vizible has released quite a few videos since receiving his HoloLens last year. Many of his experiments are odd and funny, but some include serious potential approaches to data visualization. In the videos embedded below, you'll specific ...more

Video: . How To Use a Tampon Buy tampons. As you've probably already seen in the grocery store, tampons come in a variety of types and sizes. Here's what's easiest for your first time: Buy tampons with applicators. Tampons come in two basic types: with applicators, or a plas ...more

People who know that I am a professional hacker often ask me what they can do to make their computers and personal information safe from people like me. The answer, of course, is that nothing will make you completely safe, but there are a number of measures any computer user c ...more

It's been a long time coming, but Apple Maps finally has cycling directions for your iPhone. Google Maps has had cycling support for ten years now, though, many of its more useful features had been incorporated within the last few years. Well, with iOS 14, Apple has caught up, ...more

In photography, stereographic projection is a geometric technique that projects a sphere onto a plane, which is mostly used in the mapping of spherical panoramas. The most popular type of stereographic panorama is the "tiny planet," where the center view of a panoramic image ...more

We see Steampunk props all the time and wonder where the maker found all their pieces. In fact, for some people it's almost like a game to examine each prop and see if they can name all of the original parts. However, for a newcomer (or a novice at prop-making), it may be rea ...more

Pokémon GO, the biggest augmented reality sensation ever, broke app store records this opening weekend. But it also did something even more important: it gamified physical activity. You've probably heard that sitting will practically kill you, and that you need to avoid a sed ...more

Once the laughing-stock of the navigation app market, Apple Maps is now a powerful, reliable travel companion. Apple rebuilt the platform from the ground up, placing the app in league with Google Maps. That said, there's always room for improvement, as demonstrated by its impr ...more

When the Google Maps web app got a massive redesign earlier this year, I was pretty excited to try it out, but it was a fairly disappointing update for me. The slower load times, confusing street view, and bicyclist neglect are just a few of the reasons I don't enjoy it over t ...more

Apple's iOS 14 is here. With it, you'll see over 200 new features and changes hit your iPhone, including home screen widgets, inline replies in Messages, and cycling routes in Maps. Here's how you can get your hands on the brand new update. Apple released iOS 14 to compatible ...more

Earlier this year at WWDC, Apple made a big show of featuring augmented reality as a central part of iOS moving forward. But since then, other than comments from the company's CEO, Tim Cook, we haven't seen much direct promotion of augmented reality from the company. Until now ...more

Ah, wine. The bouquet fills your nose. The rich finish fills your mouth with soft flavors of oak and raspberries. The wine warms your belly and soothes your mind. Yeast and their biochemical factory help create this feast for your senses. Thanks to a research group from France ...more

While texting and driving may get you a ticket, there are still a ton of uses for your phone in your car, music and navigation just to name a couple. Every Android device comes with access to GPS and traffic updates, but none of those apps really have your back in real-time. ...more

Welcome back, my novice hackers! In a recent tutorial, I showed you how to use shikata_ga_nai to change the signature of a payload to evade detection by security devices (firewalls, IDS, etc.) and AV software. Shikata_ga_nai is an encoding module in Metasploit that XORs the ...more

Over the past decade, touch screens have changed the way we interact with our electronic devices. Gone are the days of clicking and pecking at keyboards, with these gestures replaced by swipes, taps, and long-presses on most of our newer devices. From the early years spent swa ...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

Staying alert to directions and changing the music you're listening to on your smartphone at the same time can be cumbersome, but Google Maps wants to fix that. One of the mapping service's features allows you to control music playing on Spotify, Apple Music, and Google Play M ...more

The next time you suffer a cut or abrasion, think twice before you reach for the Neosporin. It's time, and mom, tested — you get a cut, you wash it carefully, then apply some triple-threat antimicrobial ointment. You may or may not slap on a band-aid. We won't cover it here, ...more

HIV infections persist despite treatment that successfully decreases viral blood levels to the point where doctors can't detect the virus. But that doesn't mean the person is cured. The virus hides in the body, not replicating, just waiting for a chance to jump out of the shad ...more

Why, for the love of God, do people keep inventing ridiculous devices that make the simplest things more complicated in the name of convenience? This may be a rhetorical question that will forever go unanswered—because these crazy gadgets just keep rolling out, one after the o ...more

In my opinion, biscuits made from scratch (American biscuits, that is, not the British kind) are just flat out amazing, but I'm typically too lazy to actually make them. That's why I always have a can/tube of refrigerated biscuits on hand. They're not only good for quick biscu ...more

A picture is worth a thousand words, and depending on what you're taking a picture of, it could be worth a lot more. Our phone's camera can easily capture high quality photos, scan barcodes, and make us Instagram famous. You can compare prices of items and download application ...more

One of the many perks of being a Nexus user is that Google bakes in all sorts of goodies for use on its dessert-themed OS. From an easily unlocked bootloader, to a smooth and well-crafted "stock" UI experience, to being one of the first devices to receive updates straight from ...more

If you have an Apple Watch, you might know that the activity awards you earn can be shared with your friends as iMessage stickers on your iPhone. However, you first have to earn achievements in order to use them as stickers. That changes somewhat with iOS 12, as Apple added an ...more

When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app. There are apps such as Bridgefy that will create a mesh ...more

While we just called the Apple Watch Series 5 the "best lifestyle assistant and fitness wearable you can get," it doesn't mean that it's the model you should get. Whether you're shopping for yourself or someone else and are on a tight budget, the Series 4 offers the majority o ...more

Samsung Health has become one of the most comprehensive wellness apps thanks to features that cover everything from step counting to nutrition logging and symptom diagnosis. But because the app has so much to offer, it can be easy to overlook some smaller, but useful features. ...more

A terrifying antibiotic-resistant superbug, one thought to only infect hospital patients, has made its debut in the real world. For the first time ever, the superbug carbapenem-resistant Enterobacteriaceae (CRE) infected six people who hadn't been in or around a hospital in at ...more

While most people were worried about having the scariest costume when I was younger, I was always more interested in the candy. While everyone wasted time trying to perfect their costume, I was busy mapping out every detail in my city, finding the most efficient way of getting ...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

Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touc ...more

If there's one way to get a visceral response from someone, it's bringing up the DMV. Regardless of the reason, whether it's the long lines, disgruntled employees, or just general inefficiency, I have yet to meet a single person who doesn't mind the trip. Just look at all thos ...more

While Apple Maps didn't receive as huge of an update on iOS 17 as other apps such as Safari, Camera, Photos, Notes, Weather, and Messages, there are still some very important new features and changes you need to know about. The latest software update for Apple Maps adds a muc ...more

Foodborne infections often occur through the contamination of equipment, food-prep tools, and unsanitary surfaces. A recent report from the Centers for Disease Control and Prevention (CDC) reminds us that breast pump parts are part of the food-delivery chain — and they can bec ...more