So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis. Probability valu ...more
There's nothing worse than losing your phone—except losing your phone when the ringer is silent. If you're alone, it can be excruciatingly hard to find your lost device even if the ringer is on, considering most of us don't have landlines anymore. So, the next time you find yo ...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
With all the little improvements that Apple made to iOS 7, some older features have been changed or moved (and sometimes, it's not obvious). Just yesterday, I was at the Apple store speaking with an employee about iOS 7 when he said: "It sucks that the new iOS 7 doesn't have ...more
Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more
Search engines index websites on the web so you can find them more efficiently, and the same is true for internet-connected devices. Shodan indexes devices like webcams, printers, and even industrial controls into one easy-to-search database, giving hackers access to vulnerabl ...more
Welcome back, my novice hackers! Before we try to attack a website, it's worthwhile understanding the structure, directories, and files that the website uses. In this way, we can begin to map an attack strategy that will be most effective. In addition, by knowing what files ...more
Phone numbers often contain clues to the owner's identity and can bring up a lot of data during an OSINT investigation. Starting with a phone number, we can search through a large number of online databases with only a few clicks to discover information about a phone number. I ...more
You know that you have the Gmail app on your iPhone. After all, you get Gmail notifications, you see it in the app switcher, it's in the Settings app, and there's an "Open" button in the App Store instead of "Get" or a download icon. But you cannot find the app on your Home Sc ...more
So, you're trying to show a friend or two a hilarious Reel you liked or saved on Instagram, but where is it? Unlike TikTok, Instagram doesn't make it clear where you're supposed to find your liked and saved Reels. Luckily, we can help. Since its inception, Instagram Reels has ...more
When it comes to smartphone screens, there are two predominant technologies—the traditional LCD panel, and the newer AMOLED display. Most phones still use LCD screens, as the tech is more cost-effective due to its longstanding reign as the primary display type in TVs, smartpho ...more
Apple's new iPhone 6 and iPhone 6 Plus go on sale Sept. 19th, but pre-orders begin on Sept. 12th. If you're ready to trade in your iPhone 5 for one of these bigger and more iOS 8-friendly devices, you're probably going to pre-order. UPDATE: We've also created printable cutout ...more
Whether you're shopping for deals, need help with a little math, or any number of other occasions, it's a valuable skill to know how to quickly figure out a percentage given two numbers. Let's say you're shopping and you come across a pair of shoes that are normally $45, but ...more
After my hard drive crashed recently, I lost everything. Old college essays, half-written stories, short films, and most importantly, all of the photos that I had saved from the past five years... all gone. Since I didn't back up my hard drive (stupid mistake #1), or upload p ...more
Apple's update for iOS 13 is not without bugs and other issues, and if those problems become annoying or impede your ability to use your iPhone like usual, you may want to downgrade. Hundreds of new features may not matter if you can't use your iPhone like it's meant to be. T ...more
Welcome back, my tenderfoot hackers! Have you ever wondered where the physical location of an IP address is? Maybe you want to know if that proxy server you are using is actually out of your local legal jurisdiction. Or, maybe you have the IP address of someone you are corres ...more
The Earthen Ring Quartermaster is as elusive as a long-beaked echidna, so how do you find him in World of WarCraft: Cataclysm? Provisioner Arok is snuggled deep within Vashj'ir zone, in the Shimmering Expanse, resting in the Earthen Ring's respite— Silver Tide Hollow (under w ...more
Welcome back, my greenhorn hackers! Sometimes, we don't have a specific target in mind, but rather we are simply looking for vulnerable and easy-to-hack targets anywhere on the planet. Wouldn't be great if we had a search engine like Google that could help us find these targe ...more
Hi everyone! This is my first How To. Before we start you need to have a Facebook account (of course) and...this only works with your Facebook friends (so if you're looking for someone's mail on Facebook but you're not friends this won't work) ((This "hack" can find the emai ...more
When it comes to smartphones, the biggest complaint voiced by most users is battery life. Sure, it's unrealistic to expect your Android device to run for weeks without a recharge, but many folks struggle to even make it through the day without having to top off their battery. ...more
I consider myself a master of emoji, crafting complete sentences and paragraphs using strictly ideograms and smileys. However, everyone seems to have their own interpretation for each little image, so my elaborately clever emoji-only sentences can get lost in translation. But ...more
This how-to video is about how to find a number when its percent is given. This video is really helpful and effective in finding the number when the percent is given, the following steps are explained in the video to find the number when its percent is given: 1)Convert the p ...more
You may not have thought of dorks as powerful, but with the right dorks, you can hack devices just by Googling the password to log in. Because Google is fantastic at indexing everything connected to the internet, it's possible to find files that are exposed accidentally and co ...more
Welcome Back !! TheGeeks. SQL Injection (SQLI) Part-1 I hope you all enjoyed my previous article on Email spoofing, if not you'll can go to my profile and check it. My this article totally different from previous one. In this article i'll be teaching how to find vulnerable ...more
If you haven't heard yet, Google made it possible a couple months ago for every Android user running 2.2 or higher to track his or her smartphone or tablet using their Android Device Manager service. It's a super easy way to track, lock, and secure erase your Android device fr ...more
If you've ever used the Find My iPhone and Find My Friends apps in iOS 12 and below, you may be surprised to hear that those apps have joined forces in iOS 13. Now, instead of two separate apps, they're combined into one convenient package. But what does that mean for you and ...more
Welcome back, my budding hackers! When we are looking for ways to hack a system, we need a specific exploit to take advantage of a certain vulnerability in the operating system, service, or application. Although I have shown you multiple ways to exploit systems here in Null B ...more
In this tutorial, we learn how to find someone's IP address. First, log into What's their IP. Once you open this, enter your email and click the links that can be sent to your friends. Once they click on these links, the website will email you that person's IP address. You can ...more
Unlike on Android, you can't easily hide your iPhone apps. Sure, you can nestle them away in folders labeled "junk," but they're supposed to be omni-present somewhere on your home screen. That is, until one day they're just ... gone. The fact that some of your apps disappeared ...more
Apple's new Watch models go on sale April 24th in Apple Stores everywhere, and can be preordered online starting April 10th. If you're set on preordering one, how do you know which size to choose? Whether you plan on getting an Apple Watch, Apple Watch Sport, or Apple Watch E ...more
Apple's iOS 14.0 update has come and gone, and now we're sitting on iOS 14.2, the latest version of the iPhone's operating system. While it may be too late for you to revert to the last iOS 13 version, if the iOS 14.2 firmware is giving you problems or you're not just digging ...more
Forgot or lost the combination to a suitcase? Instead of prying open or picking the lock of a basic combination pad, find the numbers and recover the combination without ruining the lock with the trick tip in this instructional video. Don't suffer from a bad memory ever again, ...more
Welcome back, my hacker noviates! In a recent post, I introduced you to Shodan, the world's most dangerous search engine. Shodan crawls the globe from IP to IP address, attempting to pull the banners of each web-enabled device and server it finds. These banners are what the ...more
In this tutorial, we learn how to find the C drive on a Mac computer. Unfortunately, Mac does not label their drives with letters like other computer systems do. You can name your drives anything you'd like, including "backup", "my network", "my folder", or anything else you w ...more
If you lose your AirPods, AirPods Pro, or AirPods Max, you can turn to Find My to locate them. But sometimes, things don't go according to plan, and many things can go wrong. For example: Nothing happens whenever you try to play a sound through your AirPods. Their location wo ...more
In this tutorial the author shows how to find out the missing side of a triangle which is similar to an other triangle. He explains the concept of similar triangle using diagrams and by showing that similar triangles have equal corresponding angles and parallel sides. Now he l ...more
Before you purchased your smartphone or tablet, the device had already embarked on quite a long journey. From product development to manufacturing, your Samsung Galaxy device had already developed a rich history prior to your ownership. If you've ever wondered exactly where a ...more
Not every app is designed well. With nearly 3 million apps on the Play Store and countless more that you can sideload from other sources, there are bound to be a few stinkers. And many of them do a terrible job using RAM. Poor memory management by apps hurts everyone. Whether ...more
There are more ways to finding your missing iPhone than using Apple's own "Find My iPhone" tool in iCloud. If you just need help tracking down your iPhone in your home or at a friend's house, Find My iPhone isn't necessarily the most convenient thing to do when you've got thes ...more
Want to protect your things from people you suspect might be snooping? This video shows you how to set up simple systems for your closet, refrigerator, dresser drawer and even find out if someone has been helping themselves to your liquor!
Before you sell or give away an old iPhone, Find My iPhone, which works in conjunction with Activation Lock (Apple's anti-theft system) needs to be deactivated from your iCloud account. This also applies if you've lost your passcode and are locked out of the device, if you're ...more
Slope is the change in Y over the change in X. Written out, the formula looks is as follows: (y2-y1) ——— (x2-x1) It's a simple formula that just requires you to input your coordinates to calculate the value of the slope. Values are generally notated as such: (x1,y1), (x2,y2 ...more
This video shows how to find the formula of a piecewise function when given a graph. The first step is to write a definition for the graph, which is done by identifying the different domains shown in the graph. The second step is writing formulas for each domain specified by t ...more
Want a buddy in Fallout: New Vegas? Sure you do. In fact, you probably want a couple New Vegas companions. In Fallout: New Vegas, there's a total of 6 permanent humanoid companions and 2 permanent non-humanoid companions, but you can only have 2 (one of each kind) at a time f ...more
Your Apple Watch is a fantastic tool that can help you perform daily tasks on your iPhone. Notifications get filtered through it, you can respond to messages on it, and you can even use Apple Pay to purchase goods and services. Your Apple Watch is also a valuable asset when it ...more
In this video tutorial the instructor shows how to find the slope of a line given two points with fractional values. To do this first name your two points as point 1 with coordinates as x1, y1 and point 2 with coordinates x2, y2. Then substitute the values in the equation of t ...more
Even though we all know it's a bad idea, a lot of people still use their browser's store password function to keep up with all their accounts. While convenient, this shortcut also makes their passwords very easy to find if you have access to the computer they're stored on. He ...more
At some point in Fallout: New Vegas on the Xbox 360, you'll eventually find yourself in Hidden Valley, the secret location of the Brotherhood of Steel. After exploring their bunker, you may find yourself meeting with Knight Torres, the Quartermaster for the Brotherhood of Stee ...more
Unlike the iOS App Store, which is a one-stop shop that lets you search for and instantly download apps on your iPhone, jailbreak apps found within Cydia are far more fragmented and not as easy to source. In fact, Cydia only comes stock with a fraction of the apps and tweaks t ...more
With the Samsung Galaxy S III being a hot commodity, it's no surprise that your friends might try unlocking your fancy password-protected phone. While some friends have good intentions when using your phone, there are those certain friends who get into the phone to do this... ...more
Did you know there is hidden data in your digital pictures? Well, there is, and that data might be a security risk to you. Think back at all of those pictures you're in and are connected with. I'm sure some of those you'd like to distance yourself from. And surely you wouldn't ...more
This little brain game is all about engineering a lower center of gravity. The idea has been around forever, but most people still don't know how to do it. Trying to stack nails above the balance point will raise the CG and make the structure unstable. Here's how you can lower ...more
In this video the instructor shows how to find the slope of an equation which is in the form Ax + By + C = 0. He says that the formula to find the slope of a line in the above form is slope m = -A/B, where A and B are the numeric constants of the variables x and y in the given ...more
Sometimes it can be difficult to find information essential to a citation on a webpage, like an author or a date. Here are some steps you can take to make up for this lack of information. - If there is no author listed, use the title of the webpage or the article you are view ...more
Composite figures are composed of several geometric shapes and are three-dimensional shapes. The first composite shape is a combination of a rectangular prism and a pyramid. To find the volume of the entire shape you find the volume of each individual shape and add them togeth ...more
This video shows you how to easily find the area of a triangle when you know the length of 2 sides and the angle between them. The first thing you have to do is mark the sides of the triangle by a, b, c, where a is the side between A and B, b is the side between B and C and c ...more
A car is stolen every 33 seconds in the United States, and from that, the percentage of vehicles recovered in the first day is a whopping 52 percent. Over the next week, that number rises to around 79 percent, but after those initial seven days are up, it's unlikely the vehicl ...more
Relax, it's not as messy as it sounds. Pee-on-a-stick, at home STD tests may be available in UK pharmacies soon, complete with an incredibly convenient app that would save you a trip to the clinic. It works like this: if you suspect you may have an STD, you would pee on a devi ...more
Everything you post on social media lives there forever — even if you delete it. Just ask anyone that's ever posted something stupid. Instagram does not provide built-in tools to save or download images and videos from other users, but there are workarounds. Third-party tools ...more
Burst mode on iPhone is a great way to ensure you capture the photo you truly want, especially when your subject is moving too fast. You'd be forgiven for thinking that Apple ditched the feature entirely on iPhone 11, 11 Pro, and 11 Pro Max, since a long-press of the shutter b ...more