Communications Electrical Chemical Search Results

How To: Program a $6 NodeMCU to Detect Wi-Fi Jamming Attacks in the Arduino IDE

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of skills to program a $6 NodeMCU to display the status of a Wi-Fi link via an LED, allowing us to monitor for jamming attacks.

Coming Sept. 12: iPhone XS, XS Max & iPhone XR — Everything We Know So Far About Apple's 2018 Lineup

The iPhone X was released in November 2017, and the iPhone 8 and 8 Plus dropped right before it, but the hottest news right now revolves around the 2018 iPhone releases. The rumor mill regarding the iPhone X's successor started churning out speculations on names, cameras, display size, and more almost immediately after last year's devices, and there have been many new leaked details since.

How To: The Complete Guide on How to Build a Crystal Radio—Plus How They Work

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going to tell you more than just how to make a crystal radio, but I'm also going to explain how and why they work. Crystal radios are pretty Steampunk in and of themselves, since they were first developed in the late 19th centu...

How To: Dial These Secret Codes to See if Someone Is Hijacking Calls & Texts on Your iPhone

Malevolent hackers can divert your incoming calls and texts to any number they want, and they don't need to be a criminal mastermind to do it. Even friends and family members can reroute your incoming calls and messages so that they know exactly who's trying to reach you, and all it takes is seconds of access to your iPhone or wireless account. These secret codes can help uncover them.

How To: Eliminate Unwanted Texts & iMessages on Your iPhone to Avoid Spam, Scams & Phishing Attacks

Next to spam calls, few things are more annoying than being inundated with spam, scam, and smishing texts. Your iPhone's Messages app should be a place for your friends and family to stay in touch, not a minefield of phishing attacks, malicious links, and viruses. Luckily, there are quite a few methods to block and report your way to a more spam-free iPhone.

How To: Turn Off Amber Alerts on Your iPhone, Plus Emergency, Public Safety & Other Government Warnings

Amber, emergency, and public safety alerts on an iPhone are loud — startle-you-to-death loud even. They can happen at any time, day or night, and sometimes back to back when you're in a big city. Those blaring sirens can wake you from sleep, interrupt an important meeting, or disrupt an entire movie theater mid-movie, but you can turn most of them off if you're tired of hearing them.

Analyzing the Hacks: The Girl in the Spider's Web Explained

The latest film addition in the American-produced Millennium series, The Girl in the Spider's Web, was just released on Blu-ray a few days ago. As you could expect, the movie has many hacking scenes throughout, just like the previous English and Swedish language movies centered around hacker Lisbeth Salander. Of course, with the quick pace of some scenes, the hacks can be hard to follow.

News: The 5 Best Free Twitter Clients for iPhone

Twitter's official iOS app is adequate if you're not much of a tweeter, but if you are, there's a lot of useful features that are missing. Luckily, there are plenty of free Twitter clients available that you can use on your iPhone. These third-party apps have features such as customizable interfaces, post scheduling, and different browser options for opening links, to name just a few.

News: Everything You Need to Know About the iPhone XR

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its more expensive brethren, but is powered by the same SoC, making it is a solid choice if you're thinking of upgrading.

News: Everything You Need to Know About the iPhone XS

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPhones, making it a worthy choice to upgrade to if you're in the market for a new mobile device.

How To: Improve Battery Life on Your iPhone Running iOS 12

Performance and stability improvements, as well as new features, are just some reasons to install iOS 12, but new changes mean new battery health challenges. It can be difficult to boost battery life while taking advantage of everything this update has to offer. Luckily, there are plenty of ways to avoid unnecessary battery drain when using iOS 12 on your iPhone.

News: 30+ Privacy & Security Settings in iOS 12 You Should Check Right Now

There's always an iPhone in our list of top phones for privacy and security, due in large part to advanced security measures like Face ID, consistent iOS updates, and easy ways to prevent unwanted access and excessive data sharing. However, some of those options actually do the opposite and hinder security. It all depends on how you use your iPhone, but you should at least know everything available.

How To: Set Up Grandma's First iPhone (A Guide for Newbie iOS Users)

So, your grandmother finally wants to ditch her flip phone for a shiny new smartphone? Congratulations. But helping her get used to her new device, even when it's an iPhone, is no small task. Grandma mastered checking her email in late-2012 and just recently learned there's a thing called "Facebook." But we love grandma, and thanks to this guide, we can definitely make this happen for her.

How To: Make a Simple Herbal Extract

Hello there, people. Today, I am going to show you how to extract the essence from a useful plant, using either alcohol or olive oil. This is how you take a plant and turn it into a useful (and preservable) medicine. For those of you who know nothing about herbal medicine, let me explain it for you in a nutshell...

How To: Care for an Iguana Without a Cage

First of all, I would like you all to meet my good friend Iggy. There he is, in all his scaly reptilian glory. As you can see, he spends a lot more time on top of his cage than inside of it. You see, Iggy here doesn't deal well AT ALL with confinement. I don't know if it's possible for a lizard to be claustrophobic, but if it is possible, then Iggy definitely is. When his previous owner gave him to me, I tried to keep him in the cage, but I quickly realized that it was a bad idea. When confin...

How To: Avoid Static Electricity

Static electrical shock your worst nightmare? The clothes you choose, the shoes you wear, and even the things you touch might encourage this natural phenomenon. If static shock is ruining your day, then take some action.