What Kind of Extension Cord Should I Use?

Extension cords are one of the most common household items, but there are many different kinds of extension cords built for different purposes. Here’s what you should know about extension cords and when they can and can’t be used.

What’s the Equivalent of Ctrl+Alt+Delete on a Mac?

If you switch to a Mac after becoming familiar with Windows, you’ll quickly find that the standard Ctrl+Alt+Delete shortcut doesn’t do anything. Mac OS X does have its own version of the Task Manager, but it’s a bit different than Windows’, and you access it by pressing Command+Option+Esc.

How to 3D Print Anything (Even If You Don’t Own a 3D Printer)

There are plenty of reasons you might want to 3D print something, but few that justify owning one. You could print anything from a custom GPS mount for your bike to Dungeons & Dragons miniatures to wearable armor for your next Star Wars cosplay. Unless you’ll be printing a ton of stuff on the regular, though, none of them are worth the hundreds you’d need to spend for a 3D printer (or the thousands you’d spend on a really good one).

How to Clear Your History in Any Browser

All web browsers remember a list of the web pages you’ve visited. You can delete this list at any time, clearing your browsing history and erasing the tracks stored on your computer, smartphone, or tablet. Each browser has its own separate history, so you’ll need to clear the history in multiple places if you’ve used more than one browser.

How to Manage Your PC’s Fans for Optimal Airflow and Cooling

Building a modern desktop PC is surprisingly easy, thanks to modular parts and a lot of solid engineering. It’s often explained as “LEGO for adults.” But managing the air cooling system within a PC is considerably more complex.  We’re talking about physics, thermodynamics, all sorts of fun stuff. But there are a few basic principles you can apply to almost any build to get optimal airflow, and thus, optimal cooling.

How to Get Refunds for Steam Games

Steam offers a generous refund system. You can refund any game you purchase through Steam, for any reason—whether it isn’t working properly on your PC or you just don’t find it fun.

How to Delete Your Twitter Account

Want to leave Twitter behind? You can permanently delete your account, erasing all your tweets, followers, favorites, and other data. It will vanish from Twitter almost immediately, and will be fully wiped from Twitter’s servers in 30 days.

How to Replace Your Laptop’s Keyboard or Touchpad

Barring any kind of accidental damage, your laptop’s keyboard and touchpad are the parts that start to show wear as soon as you use them. Not only are they some of the only moving parts left in modern laptop design, they’re the ones that are constantly being touched by us fleshy humans, absorbing tiny amounts of skin oil and wearing away the legends on the keys. After a year or so, the keyboard deck can start to look noticeably aged.

How to Improve Your HDTV Antenna Reception

If you’re lucky, you can place your TV antenna wherever you want and get crystal-clear HD channels over the air for free. However, most of the time you need to go through a little trial and error to get everything working properly.

The Best Retro Game Controllers for Your PC or Raspberry Pi Emulators

Nintendo is apparently allergic to money. After creating an instant and profitable hit with the NES Classic, the company decided to end production of the cheap little emulation machine just a few months after its introduction. No matter: tech savvy Nintendo fans who couldn’t get a hold of one (or didn’t want to line the pockets of scalpers) have other options.

How Does RAM Speed and Timing Affect My PC’s Performance?

When it comes to computers, more is better. Well, sort of. Most users understand that a faster processor, with speed expressed in megahertz or gigahertz, is more desirable. Likewise, it’s fairly obvious that having more gigabytes of memory (aka RAM) is a good thing. But your RAM has another stat you might be confused about: speed.