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How To: Make the gantry sides for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Make the z-axis lead screws for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Build the stands for the gantry table for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Install the z-axis transmission nut for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Use hand planes

Hand planes are the epitome of fine woodworking. Extreme woodworkers use them, and serious collectors collect them. Planes come in a wide variety of sizes, styles and designs for specific woodworking purposes. Planes are available made entirely of metal, or made of wood with metal blades and parts. In fact, you can buy the blades and make your own planes, as the old-timers often did. Planes can range in price from about $25 for new, economical models to planes that cost several hundred dollar...

How To: Perform the Barus effect

Watch this instructional science video to observe the Barus effect in action. A dyed solution of POLYOX (polyethylene oxide - it is the stuff used as the lubricant on the strip found in all modern razors) is extruded from a 50 mL syringe. On exit, a marked swelling in the liquid stream several times the diameter of the orifice is observed. The effect is referred to as the Barus Effect, but it also goes by several other names including the Merrington Effect, Die Swell, and Extrudate Swell.

How To: Breastfeed

Learn how to nurse your baby in public, what clothes are best for breast feeding and where the best breast feeding locations are in this free video series that will calm your fears of breast feeding in public or going against common etiquette.

How To: Use Hair Removal Creams

It's just a fact that hairy legs on women are not the most attractive. From razors to lasers, hairy legs can be a thing of the past. Hairy legs are some of the hardest parts to deal with because they're so visible all the time. Whether you want to rid yourself of prickly leg hair or just simply hide it, there are always solutions for your hairy legs. Shaving is of course the most common way of removing leg hair. It's relatively quick and easy, and once it's built into your routine you don't e...

How To: Improve video search by parsing video & text

This is a Google Tech Talk from March, 26 2008. Timothee Cour - Research Scientist lectures. Movies and TV are a rich source of highly diverse and complex video of people, objects, actions and locales "in the wild". Harvesting automatically labeled sequences of actions from video would enable creation of large-scale and highly-varied datasets. To enable such collection, we focus on the task of recovering scene structure in movies and TV series for object/person tracking and action retrieval. ...

How To: Treat burns and scalds (British Red Cross)

No one can escape the wrath of fire. Eery living person will experience some sort of burn during their lifespan, from scalds to third degree burns. Burns and scalds are among the most common injuries requiring emergency treatment in hospitals, but would you know what to do if a friend or family member, maybe even a stranger, burned themselves badly? Could you help?

How To: Customize Colors for All the Apps on Your iPhone to Match How You Use Them Most (Or Just for Fun)

There aren't many iPhone apps that let you change their color theme beyond light and dark appearances. They really don't need to either because iOS has a few hidden tricks up its sleeves to help you customize any app's colors either during a specific session or every time you use the app.

How To: Your iPhone Can Switch to Dark & Light Modes Automatically When the Sun Sets & Rises

Apple's Dark Mode in iOS 13 and later offers a cool, comfortable viewing experience on your iPhone. You may prefer the dark theme all day long, but if you like to use it only at night, it's not very convenient to switch it on and off daily. But there's a setting that lets you set it and forget it, so you never have to do it manually again.

How To: iPhone Not Charging Past 80%? Here's Why (& How to Fix It)

So you've been using iOS 13 for a little while and noticed your iPhone is pretty slow to charge. Using the 5-watt power adapter out of the box, in the time it used to take your iPhone to charge its battery to 100 percent, your iPhone is stuck at 80% or below instead. That's because Apple introduced a new feature in iOS 13 that slows down charging — but for a good reason.

How To: Can't Find the Accessibility Menu & Its Options in iOS 13? It Got a Huge Update Worth Checking Out

The iPhone's "Accessibility" menu is one of those options that's very easy to overlook but incredibly handy in certain situations. You can set AssistiveTouch to help navigate your device, use a Bluetooth mouse when your screen is acting up, and enable the red screen filter for nighttime escapades. For as long as the menu has been available, it's been in the "General" settings, but not in iOS 13.

SQL Injection 101: How to Avoid Detection & Bypass Defenses

It is often said that the best hackers remain unknown, and the greatest attacks are left undiscovered, but it's hard for an up-and-coming penetration tester or white hat to learn anything unless one of those factors is actually known or discovered. But the end goal here in our SQL injection lessons is to make that statement as true as possible for us when performing our hacks.

How To: Keep Your iPhone's Screen from Randomly Turning On

In addition to the standard "Raise to Wake" option that's been around since iOS 10, the iPhone X, XS, XS Max, and XR have a unique capability that lets you "Tap to Wake" the screen. But these features can get annoying real fast when your screen keeps turning on accidentally, which could even lead to some unnecessary battery drain.

News: How Would the Pixel 2 XL Look if HTC Built It? Now We Know

The Pixel 2 and Pixel 2 XL were built by different manufacturers. This is pretty common knowledge among Android fans at this point — Google's smaller Pixel 2 was built by HTC, while the larger Pixel 2 XL was built by LG. What would the Pixel 2 XL look like if HTC had followed through and delivered on the larger phone for Google? Today we have some answers.

How To: Remove the Bottom App Drawer in the iOS Messages App for iPhone

Ever since iOS 11, there's been a little drawer at the bottom of conversation threads in the Messages app. That drawer houses what Apple calls "iMessage apps," even though they also work in regular text messages. These apps are convenient for various reasons, but if you don't use any of them, it's just wasted space on the screen. Luckily, you can get rid of this app drawer.