Numbers

This video shows two techniques for multiplying any number by 11. Using these techniques you will find it is easier than using a calculator. Video: .

Number One and Number Two Go 3DSet up a platform, just wide enough for someone to stand on, about ten feet in the air. This is our jousting area. You know, the kind of jousting with the giant Q-tips. Underneath our jousting platform is an inflatable kiddie pool filled with...y ...more

Police officers stopped people on New York City’s streets more than 200,000 times during the first three months of 2012, putting the Bloomberg administration on course to shatter a record set last year for the highest annual tally of street stops.

Learning how to use other text panels in the designs gallery. This website design tutorial will teach you how to add a note panel, numbered panel and one additional text panel. Video: .

Despite the security concerns that have plagued Facebook for years, most people are sticking around and new members keep on joining. This has led Facebook to break records numbers with over 1.94 billion monthly active users, as of March 2017 — and around 1.28 billion daily act ...more

Back in 2010, iOS developer Daniel Amitay developed a camera security app for iPhones that used an unlock screen almost identical to that of the iPhone. The app was removed in mid-2011 (though, it eventually reappeared in early-2013, still available in the iOS App Store today ...more

A vending machine is an invaluable yet totally frustrating piece of equipment. It's a godsend whenever your tummy's growling or you need an ice-cold drink on a hot summer day. But when something gets stuck inside or the machine flat-out malfunctions, it quickly becomes your ar ...more

Master Lock combination padlocks have been known to be vulnerable to an attack that reduces their 64,000 possible combinations down to 100. I've devised a new attack for cracking any Master combo lock that simplifies the process and reduces the amount of work down to only 8 co ...more

Do you ever wonder how all these celebrities continue to have their private photos spread all over the internet? While celebrities' phones and computers are forever vulnerable to attacks, the common folk must also be wary. No matter how careful you think you were went you sent ...more

Besides obvious features like a touchscreen and biometric sensors, the modern smartphone comes with an array of state-of-the-art hardware in the form of various sensors that help your device sense the environment around it. And if you have a Samsung handset, chances are, you h ...more

Why can't I see who is stalking my Facebook profile? There are other social networks that do let you see who's viewed your profile, mainly LinkedIn and its "Who's Viewed Your Profile" feature. Regular users can see a recent list of who has been spying on you, along with some ...more

Deleting text messages on your iPhone may seem like a pretty simple task, but it's those really simple tasks that usually end up causing headaches later on. Data can stick around, even if you asked it not to, so there's always a slight chance that embarrassing and incriminatin ...more

Unruly customers. Crazy exes. Horrible bosses. When you need proof of insanity or just want it for your records, recording a phone call is a must. Problem is, it's not the easiest thing to do on an iPhone — but it's completely possible. Even though there are plenty of legit r ...more

These days, most images we post online or share with others come from our smartphones. Whenever personal data is in them, such as debit card numbers, addresses, phone numbers, passwords, and other sensitive information, it's easy to jump into your iPhone's markup tools to blac ...more

Welcome back, my greenhorn hackers! Several of you have you have emailed me asking whether it's possible to install a keylogger on a victim’s computer using Metasploit. The answer is a resounding "YES"! So, by popular request, in this guide I'll show you how to install a key ...more

You saw our post on the 18 coolest new features of iOS 7, but now that you've had a chance to play around with your updated iPhone, it's time to lock it down. There are a surprising number of new privacy and security-related issues in iOS 7's default settings, from allowing A ...more

Welcome back, my neophyte hackers! I have already done a few tutorials on password cracking, including ones for Linux and Windows, WEP and WPA2, and even online passwords using THC Hydra. Now, I thought it might be worthwhile to begin a series on password cracking in general. ...more

With iOS 7, Apple is finally fighting back against spam, offering the option to block certain phone numbers from sending you text messages or iMessages (plus, phone calls and FaceTime too). With this new feature, you can block telemarketers, spammers, and their ilk from spamm ...more

Doxing is the act of finding one's personal information through research and discovery, with little to no information to start with. You may have seen doxing in the news, for instance when not so long ago, hacker team Anonymous doxed and reported thousands of twitter accounts ...more

Sharing your personal information can come up for any number of reasons: you may want to get in touch with a colleague after work or you've been involved in a car accident and need to stay in contact with the other driver. Unfortunately, giving out information can be the key f ...more

Sometimes mining and crafting gets boring. The thrill of hunting mobs, exploring strongholds, or the Nether is often much more satisfying and appeals to the RPG nerd in all of us. Well, Mojang took the hint and as part of the 1.9 release, there will be potions, more mobs, othe ...more

Traditional root ad-blockers like AdAway and AdBlock Plus have no effect on YouTube anymore. Until now, if you wanted to get rid of the commercials that play before your favorite videos, there have only been two ways—either by paying for a YouTube Red subscription, or by using ...more

Welcome back, my apprentice hackers! In this series on password cracking, I have been attempting to develop your skills in the age-old art of password cracking. Although it might seem like a simple and straightforward exercise, those of you who have attempted password crackin ...more

If your phone has an unlocked bootloader, you can use Fastboot commands to flash factory images. That may sound like a bunch of technical jargon, but when it comes down to it, this is the best method for updating a rooted device, fixing a bricked phone, reverting to stock, or ...more

There's a lot more to your iPhone's dialer screen than just entering phone numbers and hitting the green call button. It's not very obvious, but there are secret codes that you can enter on the dialer to find out information about your device, help troubleshoot issues, and mas ...more

Update Feb. 2020: Google has removed the feature flag to move the address bar to the bottom of the screen. We've out to see if they have plans to bring it back, but received no comment. In the meantime, you can use the new Chrome Duet bottom bar instead. End update. In this ...more

ADB and Fastboot are probably the most essential tools for any Android aficionado. They can do everything from backing up your device to unlocking your bootloader with a few simple steps. This paves the way for many new tweaks and customizations that weren't possible before. T ...more

When a photo or video is just too sensitive to leave laying around in your Photos app, you'll want to either delete it for good or hide it away in safe, secure location on your iPhone. As for the latter, Apple actually has a few tools available to make photos and videos hidden ...more

Design flaws in many routers can allow hackers to steal Wi-Fi credentials, even if WPA or WPA2 encryption is used with a strong password. While this tactic used to take up to 8 hours, the newer WPS Pixie-Dust attack can crack networks in seconds. To do this, a modern wireless ...more

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 ...more

Welcome back, my neophyte hackers! Have you ever had a neighbor that you're certain is up to no good? Maybe you've seen him moving packages in and out at all hours of the night? Maybe you've seen people go into his home and never come out? He seems like a creep and sometimes ...more

Both the Galaxy S6 and S6 Edge have had root methods available to them before the phones were even released, but the problem with these existing root methods is that they would trip the KNOX counter on your device. Why Tripping KNOX Is Bad for Your Phone To give you a bit of ...more

Not every country gets the same TV shows and movies on Netflix, and there are definitely differences between the American version of Netflix and other regions, such as Canada (where I live). So, it's not surprise that people are looking to "unlock" that content. With the popu ...more

It's official — the newest version of Google's mobile operating system is called Android 8.0 Oreo, and it's in the process of rolling out to many different devices. Oreo has plenty of changes in store, ranging from revamped looks to under-the-hood improvements, so there's tons ...more

While it's not a highlight of the PlayStation 3, you can actually control the video game console with your smartphone. However, only certain aspects of the PS3 can be controlled from your iPhone, and it's not very obvious what you can and can't do — but that's where we come in ...more

Okay, so that headline definitely got your attention, but what the hell do cats have to do with Android Nougat? Well, apparently, Google's on a far-out trip reminiscent of the post-India Beatles era, because this is actually a thing. Previous Android versions have included an ...more

It seems like every day now that we see a new headline on a cyber security breach. These headlines usually involve millions of records being stolen from some large financial institution or retailer. What doesn't reach the headlines are the many individual breaches that happen ...more

Today's project will show how you can convert your laptop, smartphone, or tablet computer into a makeshift projector—just in time for March Madness! It's super cheap to build, and can add a little bit of creative fun to your next sports party. Video: . This DIY is geared mainl ...more

Welcome back, my greenhorn hackers! Continuing with my series on how to crack passwords, I now want to introduce you to one of the newest and best designed password crackers out there—hashcat. The beauty of hashcat is in its design, which focuses on speed and versatility. It ...more