Need help figuring out how to solve simple algebraic equations? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, ...more
In mathematics, the order of operations define the priority in which complex equations are solved. The top priority is your parenthesis, then exponents, followed by multiplication and division, and finally addition and subtraction (PEMDAS). This video tutorial demonstrates the ...more
Instagram introduced Photo Maps back in 2012, a feature allowing users to showcase where they've taken photos and explore where others have been, all through an interactive map. Through the hyperlinked location at the top of each photo, you can go through a timeline of all of ...more
Whether it's for health reasons or just to look better, many of us want to get in shape. It's a long process that starts with nutrition, and dieting is never easy. Fortunately, there are some great food-tracking apps that will make it a lot easier to become a healthier version ...more
Looking for a primer on how to find and sketch the domain of a function z = f(x, y) in calculus? Learn how with this free video calc lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to auto ...more
Need to find the nth term in a given arithmetic sequence? See how it's done with this free video math lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. ...more
"Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, to share links, to share photos and videos of themselves and their friends, and to learn more about the people they mee ...more
The next time you suffer a cut or abrasion, think twice before you reach for the Neosporin. It's time, and mom, tested — you get a cut, you wash it carefully, then apply some triple-threat antimicrobial ointment. You may or may not slap on a band-aid. We won't cover it here, ...more
The internet is constantly under siege by bots searching for vulnerabilities to attack and exploit. While conventional wisdom is to prevent these attacks, there are ways to deliberately lure hackers into a trap in order to spy on them, study their behavior, and capture samples ...more
Many people drink green tea for health reasons, and it's no wonder. This beverage is a superstar when it comes to antioxidant levels, and is being studied for its potentially curative properties on multiple health concerns, whether it's staving off the aging process or fightin ...more
It's a rare person who enjoys swallowing pills—and equally rare to find those who can toss a pill back easily and effortlessly without gulps of water and coughs. The transition from liquid medicine to pills, tablets, and capsules can be a rough one, and some of us still strugg ...more
Hello readers, and welcome to Null Byte. Before we start, for those of you who may not know me, my name is ghost_; I'm a relatively active member of our community and have been around for a while. During my time here, I've seen our community cultivate into the brilliant one ...more
In my opinion, Isaac Newton is definitely the number two astronomer, right below Galileo Galilei. His discoveries were very important to uncovering the secrets of space, and he deserves to be remembered. Isaac Newton (January 4, 1643 – March 31, 1727) Isaac Newton was born t ...more
Someone does't really like you. I don't know who or where they are, but they exist. If you want to change that, simply ask them to do you a favor. This trick is known as the "Benjamin Franklin Effect." The idea is that when someone who views you unfavorably performs a favor f ...more
Can you tell when someone is shooting you a fake smile? Even though fake smiles are easy enough to see through, we all still do it, attempting to show others just how happy we are when we're really feeling less than fantastic. Unfortunately, every smile we fake makes us a tiny ...more
Welcome to the Google+ Insider's Guide to all things Google+. We're dedicated to keeping you updated with all the latest news, tips and tricks on Google+, and this official index will serve as a one-stop catalog of all our How-To articles, as well as all the news & updates we' ...more
Your brain holds a lot of precious information and is capable of great feats. However, there's one quality that doesn't lie among its strengths—memory security. Yes, that's right, your brain can be hacked, and it doesn't take a psychologist to do it. Anyone with the right know ...more
If you're anything like me, your day doesn't start until you've sloughed away your grogginess with a scalding hot shower. That perfectly-heated water can clear stuffed sinuses, relax the muscles, and make pretty much anyone feel squeaky clean. However, a cold shower can do eve ...more
Nmap is more powerful than you know. With a few scripts, we can extend its functionality beyond a simple port scanner and start to identify details about target servers sysadmins don't want us to know. Possibly the most popular and well-known reconnaissance tool currently ava ...more
Even as someone with super pale skin that burns instead of tanning, I don't use sunscreen nearly as often as I should. Or, uh...ever. My skin cancer prevention routine mostly involves hiding from the sun as much as humanly possible. If you're like me and hate the greasy feelin ...more
A young child becomes very thirsty very often and seems tired all the time. A visit to the pediatrician determines she has type 1 diabetes. The onset of type 1 diabetes may seem sudden, and it can be, but the disease may actually have been triggered by common childhood viruses ...more
Many of our members here at Null Byte are aspiring hackers looking to gain skills and credentials to enter the most-valued profession of the 21st century. Hackers are being hired by IT security firms, antivirus developers, national military and espionage organizations, private ...more
The herpes simplex virus (HSV) can cause devastating complications for infected newborns whose mothers have genital herpes. Understanding risk and research can help you, and your baby, when the time comes. In the US, about one out of six people aged 14 to 49 have genital herp ...more
Nice people finish first—or is it last? Though you may have been told throughout your life that being kind pays off, there are some obvious advantages to getting mean. So whether you're driving towards a goal at work, or need to attack a task in your personal life, acting like ...more
Ahoy, landlubber! Next to vampires and werewolves, seafaring pirates are going to be the most popular costumes this Halloween. And luckily, you don't need to pillage or plunder in order to prove your scoundrel worthiness. All you really need is a good hat and a good eyeshadow ...more
Tonic water, seltzer water, club soda, and mineral water: these 4 types of "bubbly water" are often, erroneously, used interchangeably. But the truth is that each possesses unique qualities and uses that set them apart from each other. Most experts can tell types of bubbly wat ...more
Seeing that you probably can't go ten minutes without lying (according to this study), you're probably interested in becoming a better liar. The best way to do so is to learn what makes a bad liar, and then do the opposite. 1. Liars Have Revealing Micro Expressions According ...more
Palm reading can be complicated because chirognomy, the study of the mounts of the hand, sometimes contradicts chiromancy, the study of the lines of the hand. For that reason, it's best to do a reading as a whole. In this particular video palmistry tutorial, Peter John explain ...more
Urinary tract infections (UTIs) drive over eight million people to seek medical attention every year. Almost all — as many as 90% — of those infections are caused by Escherichia coli. Copper can kill bacteria, but E. coli has found a way to capture the copper, preventing its a ...more
Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more
A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physi ...more
What if the code you are trying to reverse engineer is obfuscated or somehow corrupted? What if no way is left? Here comes what I like to call (wrongly and ironically) the "brute force of reverse engineering". Before I even start, as always, I wanted to apologize for any uncl ...more
In recent years, Russian marine biologist Alexander Semenov has built a stunningly beautiful collection of deep sea photography, capturing alien creatures only locatable in the hostile, icy depths of the far northern sea off the coast of Russia. A brave art world denizen migh ...more
Although your friends might roll their eyes every time you talk about playing Clash of Clans, Call of Duty, or Candy Crush Saga, your excessive gaming habits might actually be making you healthier than everyone else. I've got your attention now, right? Read on for 8 insanely ...more
Palm reading can be complicated because chirognomy, the study of the mounts of the hand, sometimes contradicts chiromancy, the study of the lines of the hand. For that reason, it's best to do a reading as a whole. In this particular video palmistry tutorial, Peter John explain ...more
Procrastination is an ugly beast. At first, it seems so innocent to spend five minutes checking Reddit or Twitter. You'll get started on work right after. Next thing you know, it's 1 a.m. and that paper is due in seven hours. Before you start another YouTube video, know you do ...more
See how to find the domain and range of a function implied by a word problem with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the In ...more
Need help reducing fractions containing algebraic variables? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it' ...more
It's universally known that broccoli, kale, Brussels sprouts, cauliflower, and all cruciferous vegetables (also known as brassicas) are good for you—but you probably don't know exactly how good they really are. A recent study by Johns Hopkins University and the University of ...more
The latest Star Wars movie, Solo: A Star Wars Story, has grossed almost $350 million worldwide during its first month in theaters. This is a good opportunity to discuss how hackers can use media hype (in this case, Hollywood movie hype) to disarm an unsuspecting Windows user i ...more
The DIY industry is booming, despite the desperate blackmailing of society by finance capitalists. Companies like Adafruit and Makerbot are grossing well over a million dollars a year, and Evil Mad Science Laboratories just recently dedicated themselves to running a full-time ...more
When your opponent throws down "AA", you tell them no abbreviations, but alas... it's not. They build "ZA" on the board for 64 points, and you say it's slang, but it's in the dictionary. Next is "EF", and you let them know that spelling out letters is not allowed and ridiculou ...more
Could you use a little help figuring out how to simplify numbers left in square root form? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks ...more
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more
While it may be impolite to play around on a smartphone at dinner, having it consume my attention while I'm on a deadline or trying to study can prove disastrous. With Netflix and social media just a tap away, it's a dangerous game of wills, one that the phone usually wins. F ...more
Ever since the much-lauded effects of the Mediterranean diet became widely known, people have been buying olive oil by the gallon. A diet that prevents heart disease, is based on fresh, seasonal foods, and includes a tasty as hell fat like olive oil? Duh—that's a no-brainer. ...more
Check out this instructional math video that demonstrates how to solve combination and permutation math problems. In the 16th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers: ...more
Cheese might be one of the most satisfying snacks around, whether you prefer a slice of snappy Irish cheddar or a creamy, rich portion of Brie. It's been called "dairy crack" by a respected physician and for good reason: eating cheese produces casomorphins, which effect the hu ...more
You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more
Let's take a minute and talk about something you're doing wrong — using the restroom. Many view the subject as improper or even taboo, but why? Thanks to your upbringing, you've assumed you know the basics... But you don't. Avoiding discussion on the subject has led many of us ...more
Need some help solving linear function word problems? See how it's done with this free video math lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, ...more
If you're someone who frequently awakes in the middle of the night trembling in terror, you might want to consider swapping sides. According to research done at Yüzüncü Yil University, those who sleep on their left side experience more nightmares than those who sleep on their ...more
Trying to figure out which music streaming service to subscribe to can be a difficult task when the playing field is so crowded. Each has its benefits, as well as downsides, so finding the right one for your needs and wants can take a lot of overwhelming research. But we've do ...more
Twelve-year old Rory Staunton took a dive for a basketball during gym class and came up with a cut on his arm. The school nurse applied a couple of band-aids, without cleaning the cut, and off he went. In approximately three days, hospital physicians told his parents there was ...more
The calendar app is one of the unsung heroes found within your iPhone. It's the ultimate personal assistant that you've come to rely on to keep track of your schedule and ensure you never miss a class or meeting, all while reminding you of upcoming birthdays and deadlines to h ...more
If you find yourself desperate and need a way to sneak a peek at the answers while you are taking your next big test, this video offers a very clever solution, using the label of a Coke bottle. But don't work too hard on cheating when you could just study! Video: .
According to a new study, the majority of smartphone users check their devices 150 times a day. While that number may seem incredibly high at first glance, the influx of notifications and amount of social media apps available reduce the initial shock and make the number seem n ...more
Canvas fingerprinting is the web's trickiest privacy threat, but it's not impossible to stop. With all the media attention it's gotten lately, it's time we lay out exactly how to detect and prevent this invasive tracking technique. What Is Canvas Fingerprinting & Who Uses It? ...more
The OnePlus 7 Pro comes with a new Zen Mode feature to help increase your concentration and reduce distractions. It takes things a step further than Google's Digital Wellbeing by disabling your device and stopping sounds. But even if you don't have a OnePlus, you can now get t ...more
Need help figuring out how to find a given percentage of a whole number (e.g., 16% of 736)? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thank ...more