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How To: Everything You Should Know About Rolling Shutter on Your Phone's Camera

Smartphone videos get better and better each year. Seven or eight years ago, who would have thought iPhone and Android phones could support 4K video recording. Some phones can even shoot slow-motion at 960 fps. But no matter the resolution or frame rate, a phone's rolling shutter can make quick movements in front of the camera appear wobbly, distorted, or with artifacts.

How To: What to Do After Your iPhone Is Lost or Stolen — The Ultimate Guide

Your iPhone just went missing, and now you're panicking. You need it for work, to get around, to contact your friends and family, and pretty much everything else in your life. So, what are the chances you might get it back? The odds may be stacked against you unless it's just under a couch cushion, but you can improve your chances of recovering your iPhone by taking certain steps.

How To: Control Anything with a Wi-Fi Relay Switch Using aRest

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of any device connected to the same Wi-Fi network — all for just a couple of dollars.

Hands-On: Snap's Non-Creepy, Fashionable Spectacles Wearable Camera Proves We're Ready for Mainstream AR Smartglasses

The year 2018 was a rough one for Snap, the company behind the Snapchat app and the Spectacles wearable camera device. From executive departures to reports of slowed user growth, the company that once spurned Facebook's multibillion-dollar advances is now facing a moment of truth as it stares down its uncertain future.

News: The Enterprise Leap — Robots, Gremlins, & Games Won't Save Magic Leap, but Tapping the Inner Child of CEOs Just Might

Mystery is a tricky thing. Used correctly, it can give onlookers the impression that wondrous and perhaps valuable things are afoot. However, once the veil of suspension of disbelief is removed in any significant way, that same mystery can quickly turn into not just skepticism, but outright anger at what may have seemed like an attempt to dupe trusting onlookers.

Buyer's Guide: Top 20 Hacker Holiday Gifts for Christmas 2017

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopping for you, we've got you covered with our 2017 selection of hacker holiday gifts — just in time for Christmas.

How To: Create a Wireless Spy Camera Using a Raspberry Pi

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeOS running on a Raspberry Pi Zero to create a small, concealable Wi-Fi connected spy camera that is both affordable and easily concealed.

How To: Use a Virtual Burner Phone to Protect Your Identity & Security

Every time you make a call or send a text, you're giving the recipient your phone number. This can be quite the security vulnerability, opening yourself up to scammers, spammers, and the feds. In this how-to, we'll look at what a burner phone is, why you might want one, and how to get started using a free second phone number on your regular smartphone.

How to Hack Radio Frequencies: Hijacking FM Radio with a Raspberry Pi & Wire

In our first part on software-defined radio and signals intelligence, we learned how to set up a radio listening station to find and decode hidden radio signals — just like the hackers who triggered the emergency siren system in Dallas, Texas, probably did. Now that we can hear in the radio spectrum, it's time to explore the possibilities of broadcasting in a radio-connected world.

News: A Brief History of Hacking

Welcome back, my fledgling hackers! Hacking has a long and storied history in the U.S. and around the world. It did not begin yesterday, or even at the advent of the 21st century, but rather dates back at least 40 years. Of course, once the internet migrated to commercial use in the 1990s, hacking went into hyperdrive.

How To: Change Your Own Oil — A Beginner's Guide

If you're one who enjoys a good DIY project, or if you're just tired of paying exorbitant labor fees to have your vehicle serviced every 5,000 miles, changing your own oil can be a rewarding endeavor. Even though cars and trucks are becoming increasingly over-engineered these days, manufacturers generally see to it that the basic maintenance items can still be taken care of in your driveway with a few common tools.

How To: Introduction to Modern Cryptography

Cryptography is the science of keeping secrets, or more specifically, the science of disguising them. As a point of fact, cryptography has progressed quite a bit farther and now encompasses file and message integrity, sender authentication, and pseudo-random number generators.

How To: Make Chain Mail Armor from Start to Finish

This article is a guide for making Chainmail Armor from start (simple wire) to finish (a finished chainmail shirt). We will be using the European 4 in 1 weave, as this is the most common weave. This is the weave that you usually see in movies. There are several sections to this guide: Materials, Making the Rings, Weaving the Rings, and Making the shirt.

How To: iOS 16 Has a Hidden Unit Converter for Temperatures, Time Zones, Distance, and Other Measurements

Fans of "The Hitchhiker's Guide to the Galaxy" will remember the Babel fish, the universal translator you put in your ear so you can understand every language you hear. While Apple has its Translate app, there's another iPhone feature reminiscent of the Babel fish, but it lets you convert measurements, times, and other units without having to leave the app you're currently using.

How To: The Fastest, Easiest Way to Download SoundCloud Music Files to Your iPhone as MP3s

If you like to listen to popular songs from huge musicians and hard-to-find music from obscure indie artists, SoundCloud is for you — and you don't have to pay a dime. When you find a song you really love and want to play it back even when you're not connected to the internet, SoundCloud has offline listening, but there is a way to download your favorite tracks onto your iPhone for longevity.

News: Magic Leap Made Me Cry, Probably for the Last Time. Here's Why That's the Good News

A lot of digital ink has been spilled heaping scorn on Magic Leap. Much of that media schadenfreude was due to what some believed were unmet promises versus some of the early hype around the product. Others just seemed to be rubbed the wrong way by the startup's Apple-esque secrecy and penchant for attempting to coin new terms and frameworks for things that were, mostly, already in play.

How To: 13 Black Friday Deals on Courses That Will Beef Up Your Hacking & Programming Skill Set

It's Black Friday time, and in 2020, that means a lot of online deals to make up for more stores closing on Thanksgiving, as well as everyone avoiding in-person shopping because of the coronavirus. But while you may wish to grab a better 65-inch 4K TV, the new PlayStation 5, or some hacker hardware on sale, Black Friday is also the best time to invest in your programming and cybersecurity education.

News: The Best Black Friday 2019 Deals on iPhone Cases

While some people might like Thanksgiving because of the food, seeing family, or another wholesome reason, many of us also enjoy saving big on the items we've been eyeing all year. Take iPhone cases, for example. Speck, Insignia, even Apple all make cases that can put a dent in your wallet. A good Black Friday deal can mean a shiny new case for your iPhone and some extra dollars in your pocket.