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How To: Add Rainbow Effects to Your Photos Using a Cheap Prism

Want to add cool, colorful effects to your photos without paying for filters or using Photoshop? A cheap glass prism (and some practice) is all you need to bend the light to capture images like the ones below taken by wedding photographer Sam Hurd. Sam uses a six inch triangular prism to catch the light and reflect images in front of his lens. The shape allows you to "twist the prism into creating a curve and bend-like distortion of your surroundings," which can create rainbow effects and mir...

How To: Build a Metal Gauntlet

Here's an in-depth video on how to make a functional gauntlet with simple hand tools. You can make it with metal like the video shows, or even just cardboard if it's for a costume. You can download the template and written instructions for this gauntlet over at my website for five bucks. Otherwise, you can just watch the video to follow along—or to inspire your own version.

News: This DIY Walking Paper Robot Shoots Rubber Bands from Its High-Powered Gatling Gun Arms

One amazing Japanese papercraft enthusiast has built a walking 'robot' that's made of nothing more than paper, rubber bands, and a few wooden shafts for stability. It's been dubbed the 'Paper Robot III,' and even the cogs and gears are made of paper. The creator made a video detailing his entire process, and he's selling kits to make your own for about $40 US, if you're too lazy to do everything from scratch.

News: NASA's Curiosity Just Got Bricked! Working LEGO Mars Rover Ready for Exploration

Using a LEGO Mindstorms NXT kit, a pair of awesome engineers put together this fully functional replica of the Curiosity Mars rover. Not only is it built completely out of LEGOs, it's motorized, programmable, and ready to explore the far reaches of your living room. The rover was built for the Build the Future in Space event at NASA's Kennedy Space Center. Four of the six wheels are powered, allowing it to make 360 degree turns, and the arm and mast are both fully controllable. The entire con...

How To: Calculate your carbon footprint

Watch this video tutorial to learn how to calculate your carbon footprint. A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another matter.

How to Spy on Tweeters: Viewing Someone Else's Twitter Timeline with TwtRoulette

In today's world of social media, there's really only two powerhouses—Facebook and Twitter. And those of you with Twitter accounts know the power of a Tweet. Getting more followers means reaching more people, but the vast majority of Tweeters are following only a handful of Twitterers themselves. Do you ever wonder why them? What's so special about these selected followed users? Is it worth it to follow them, too? That's up to you, but if you're searching for more people to follow, then it's ...

How To: Hack a website with SQL injection

SQL injection is a type of code injection that takes advantage of security vulnerability at the database level. It's certainly not the easiest form of hacking, but if you're serious about turning a website upside down then this is the way to do it.

How To: Find and Manage Your 'Sign in with Apple' and 'Hide My Email' Accounts on Your iPhone

The "Sign in with Apple" service lets you create accounts with third-party apps and websites more easily using your Apple ID. More importantly, it can hide your personal email address using auto-generated disposable email addresses. However, it's easy to lose track of the accounts you use with Sign in with Apple, as well as any throwaway email addresses you used to hide your actual address.

How To: 15 New Safari Features in iOS 14 That Will Change the Way You Surf the Web

Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates went unnoticed by many, but they're there and ready to use in iOS 14.

How To: Add WordPress to Your Development Toolkit with This $30 Bundle

The WordPress revolution has completely altered the way that people build and distribute websites. Instead of having to memorize endless lines of HTML and Java, both novice and professional web developers are now able to create incredibly detailed and responsive sites using a series of intuitive templates and plugins. And each new version of WordPress comes with an improved batch of features that make web-building even easier.

How To: Use 'Sign in with Apple' on iOS 13 for Better Security & Privacy

We've all seen the login pages that allow you to log in to third-party accounts using your credentials from Facebook, Google, or Twitter. It saves you the trouble of creating another account and remembering more passwords — but it can also become a privacy and security issue, which is why Apple created the "Sign in with Apple" feature for iOS 13.

How To: Get Haptic Feedback When Unlocking Your iPhone with Face ID

Haptic feedback is one of the iPhone's most underrated features. With Face ID, you'll feel a satisfying tap or two when buying something in the App Store or iTunes, unlocking protected notes, viewing saved passwords in Settings, and the list goes on. For the first time, Apple has added haptic feedback when unlocking your iPhone via Face ID, as well as a way to disable haptic feedback for Face ID entirely.

How To: Cancel Your MyFitnessPal Premium Subscription on Android & iOS

In 2015, MyFitnessPal launched its premium service, an ad-free subscription for $9.99 a month or $49.99 a year which provides food analysis, deeper nutrient tools, more goal options, and exclusive content. After giving MyFitnessPal Premium a shot on your iPhone or Android phone, those perks may be unnecessary to your end goal, but you'll find that canceling your paid membership isn't very easy.