In this how to video, you will learn how to find the volume of a sphere and surface area. Let's say you need to find the volume of a sphere with a surface area of 200 cm cubed. You will need to know the formulas for surface area and volume of a sphere. The formula for surface ...more
Voice-activated digital assistants from Amazon, Apple, and Google currently have the upper hand for home automation integrations, but a new augmented reality mobile app promises to give homeowners and renters visual control over their connected appliances. Smart AR Home, avai ...more
Here are some words i grabbed from Porto Editora's 2011 dictionary: Dicionário da Língua Portuguesa Here they are: aa ah ai al ao ar as az bê ca cê co cu de do eh el em eu fá fé fi fó fu gê há id ih in io ir já jê lã lê li ló má me mi mó um na nê ni nó nu oc oh oi ok oó ou p ...more
In this video, we learn how to solve the circumference of a circle. First, you will need to find the radius. For an example, let's say the radius is 5 inches. After you find this, you need to multiply this number by two to find the diameter. Next, take this number and multiply ...more
For anyone who is learning geometry and would like to learn or to review how to find the volume of a cone, this is the video for you to watch. The video provides you with both the simple formula for a cone as well as various examples which you can use to practice. The formula ...more
In this video the instructor shows you the diameter, radius and also how to find the circumference of a circle using a cookie as an example. When you draw a line against the cookie passing through its center and touching its boundaries, it is a diameter of the circle. Radius o ...more
The search for a cancer treatment that selectively finds and kills only the cancerous cells has just made a giant leap forward. A new study published in Nature Communications, by a group of researchers from the August Pi i Sunyer Biomedical Research Institute, Barcelona Insti ...more
In this tutorial the author shows how to find the circumference of a circle. He says that the circumference of a circle can be calculated by using the formula circumference C = 2 * Pi * R, where R is the radius of the circle. He shows how to solve these kind of problems using ...more
This video teaches us the method to find the circumference of a circle given its radius. The video tells us to find the answer in terms of pi and also to the decimals value. The formula to find the circumference is two times the product of pi and the radius. The first step inv ...more
This is an excellent educational video on mathematics. This video teaches you how to find the volume of cylinder with an example. The volume of cylinder is the bottom area multiplied by the height. Here, the height is 12 inches and the radius is 9 inches. The bottom area is Pi ...more
In this tutorial the instructor shows how to compute the Surface Area of a Cone. He explains that you need to find the individual surfaces areas first. Hence the bottom part of the cone which is circular can be calculated as Pi*r*r, where r is the radius of the base circle. No ...more
Hello NullByte, it's mkilic! This time I'm here with the C.H.I.P from NTC. Although it is not too popular, the C.H.I.P is a brand new micro computer. It is very similar to the Raspberry Pi or Beaglebone Black. The key difference with this particular board is its cost and size. ...more
As a hacker or an aspiring one, You need to be careful and anonymous if your doing anything illegal. But you slipped up. Now someone is tracking you! Well luckily you read this post ahead of time and have a backup plan! The first step in remaining safe is to remain anonymous. ...more
In this video tutorial, viewers learn how to find the circumference of a circle. This task is very easy, simple and fast to do. To find the circumference of a circle, multiple Pi with the diameter of the circle. The value of Pi is 3.14. The diameter is equal to 2 times the rad ...more
Every step in the evolution of computing brings an in-kind leap forward in user input technology. The personal computer had the mouse, touchscreens made smartphones mainstream consumer devices, and AR headsets like the HoloLens and the Magic Leap One have leveraged gesture rec ...more
Have you ever wanted to control a swarm of robots? Well, now you can! Robotics researchers at New York University (NYU) have created an app which controls 'bots from your smartphone, using augmented reality. This AR app would certainly come in handy when you want to make a cof ...more
The producers of FX's animated series Archer have devised a plan to introduce augmented reality hijinks into its eighth and penultimate season with a new app for iOS and Android devices. The Archer, P.I. app allows fans to sleuth alongside the alcoholic playboy spy-turned-pri ...more
It's always nice getting paid to do something you love. That's why Nintendo is offering all Nintendo Switch owners a chance to find vulnerabilities before another hacker beats them to it first. Depending on the vulnerability you find, Nintendo is willing to shell out rewards s ...more
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, o ...more
You can use surveillance skills to pursue a career as an investigator or to spy on whoever you like. You will need to have a mobile means of making observation and this might include things like pen and paper, camcorder or camera. Learn how to be a Private Investigator. Learn ...more
These days, everything is connected. No, really — we mean everything. Your phone, your smart speaker, and even appliances like stoves and refrigerators can be connected and communicate with one another. Welcome to the Internet of Things, the start of our interconnected future. ...more
In this tutorial the instructor shows how to find the surface area of a sphere. He explains the equation to calculate the surface area of a sphere as 4 * Pi * r * r , where r its the radius of the sphere. Now if you have the radius of the sphere, by substituting its value in t ...more
New to Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 274th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate various pr ...more
This video from Your Teacher is one of a range of math solutions. (which is the measurement from the center to the edge when drawn in a straight line) and also the area of the circle, is the amount of total space within its perimeter. The circumference of this circle is 20 pi. ...more
Last year, Instructables user Horatius.Steam created Dr. Brain, a small computer connected to a model brain that can tell stories and have Skype conversations. But one thing it couldn't do was print, so to solve that problem, he came up with this awesome Steampunk "Ticker Mach ...more
In this video tutorial, viewers learn how to solve for the circumference and area of a circle. The circumference is the distance around a closed curve. The formula for circumference is C= pi x d. The diameter is two times the radius (d= 2r or r= d/2). The value of pi is approx ...more
Leave it to some lazy college kids to attempt to figure out a way to brew a pot of coffee without leaving the couch. Actually, this project wasn't lazy at all—quite the opposite, in fact. Created by Ohio State University students Carter Hurd and David Frank during HackOHI/O 2 ...more
Bill, Bobbie, and Drew present information on a circle. The presentation defines the key points of a circle. The area of a circle is Pi (3.14) x radius x radius. The diameter of a circle is the line drawn from one end to another inside the circle. The radius is the center of t ...more
If you're a regular Null Byte reader, you probably know your fair share of programming languages and have at least some experience with web or app development. But it's possible to apply your hard-earned coding and tech talents to other closely-related fields as well. The Com ...more
Simonc1973 teaches you how to work out the circumference of a circle. You start with a circle and draw a line across the circle. That's called the diameter. You multiply the diameter with Pi, which is 3.141. The video is even more amazing being taught by Harry Chapple, a 4 yea ...more
In this tutorial, we learn how to find the area of a circle. First, you will need to know the formula for finding the area of a circle, which is Area=Pi(r)squared. Now, find the radius of the circle in question. After this, fill in the radius to the equation and start to do th ...more
When conducting covert mobile surveillance with video it is vital to have a good bag that will contain and allow you to get footage in an inconspicuous manner. Always take into consideration the lighting and distance you’ll be at. In part one of this four part free training v ...more
What Is a Rational Number? A rational number is a number that can be written as a ratio and a/b. What Is an Irrational Number? An irrational number is a number that can't be written as a/b. Examples of Rational Numbers Repeating decimals (EX: 0.36363636) Terminating decim ...more
Hello fellow Null-Byters! In this "tutorial" we will be going basics of HTML. In the next tutorial, we will be going over CSS and then apply JavaScript. What Is HTML? HTML stands for Hyper Text Markup Language. It is used to structure and is horrible with styling. HTML was c ...more
The sector area is a section of the circle. You can think of it as finding the area of a pizza slice instead of the entire pizza. The formula equals: The angle measure/360 x pi x radius squared. Video: .
Hello fellow Null-Byters! This is my first post so please be respectful and constructed criticism is much appreciated. I am no professional, however I believe that it is important to understand technologies before you go poking at them and trying to break them, I therefore dec ...more
Rational numbers can be written as a fraction or as a/b. The "b" in a/b cannot be zero because you can't divide by zero. an example is 1.5. 1.5 can be written as 3/2/ Irrational numbers are numbers that can't be written as a fraction. A famous irrational number is pi. You can ...more
The global gaming market is expected to generate $160 billion in 2020. With emerging markets in the Middle East and Africa, the planet's 2.5 billion gamers are always looking for the next great adventure. Many gamers are exceptional at their craft. Someone has to design the w ...more
The Internet of Things (IoT) is changing everything in our homes and at work, from security systems and lighting fixtures to smartphones and speakers. An estimated 50 billion devices are now hooked up to IoT. With so much of your daily existence connected to this vast global ...more
Attention complainers about non-original theatrical remakes and sequels: Mike will threaten you with physical violence if you don't go out to see Black Swan this weekend.
Frozen fruit is always in season at your local grocery store, so you don't have to wait until the farmers market starts again to enjoy delicious baked fruit desserts. Peach pie, blueberry muffins, raspberry scones... all of these delicious baked goods can be just as delectable ...more
McDonald's is probably the most recognizable fast food chain in the entire world, with over 34,000 restaurants in more than 100 countries. In may not be the healthiest place to get a meal, but like millions of kids in America, I grew up on McDonald's unquestionably delicious p ...more
Rather than reaching for aspirin the next time a headache strikes, try grabbing a drink of lemonade instead. Not only can it help ease your head pain, but it can also help relieve stress, anxiety, and depression. But not just any old lemonade will do the trick—reach for the la ...more
Often, the most frustrating part of crafting the perfect dinner is feeling like you have to clean every single pot and pan in your kitchen after cooking just one meal. With so many components, it can feel like each step of a single dish requires its very own pot. Yet there ar ...more
Recipes are invaluable to cooks who are just starting out, but what if you want to get to the next level? Then it's time you learn how to apply simple math to food. In other words, learn how to cook using ratios, not recipes. Fortunately, there's a great book by cookbook auth ...more
Tofu has been a staple food in Asia for over 2,000 years, but due to the health craze of recent years, it's enjoyed a surge of popularity in the Western world. Derived from the milk of soy beans and typically coagulated by calcium or magnesium salts, tofu can be found in consi ...more
When I was 12, for some mysterious reason, my dad put my little brothers and me in charge of cooking the Thanksgiving turkey. Naturally, my brothers and I spent the rest of the day playing hide-in-seek in the backyard and forgot all about the humble bird defrosting in the sink ...more
Just like Leslie Knope, I love waffles. Unlike that imaginary character, I don't require that my waffles come from JJ's Diner. I have a deep affinity for frozen waffles as well as the homemade ones. They're so convenient! A few moments in the toaster, and you have a great foun ...more
So your mom may have told you not to spoil your appetite with that chocolate chip cookie you were eating before dinner, but did you ever think about what that energy drink your sipping on looks like in terms of its sugar content? The article "20 Worst Drinks in America" takes ...more
Right now is that magical time of year when the general public decides to embrace their inner fattie and get baking in the kitchen. Hello, pies and cakes and cookies and everything carbs. Goodbye, diets—see you in the next year, when you cripple us with unbridled guilt and lon ...more
It's not Keebler or Nabisco that rules the cookie market. It's your daughter. It's your next door neighbor's niece. It's that uniform-clad girl with the badges on her chest sweetly smiling at you in front of Walmart, trying to get you to buy some cookies for her organization. ...more
For the novice cook, fungi can be weird because, well, they're fungi. However, if you've been afraid to get acquainted with mushrooms, you've been missing out. Vegetarians love mushrooms and with good reason. Their rich, savory flavor comes a close second to umami-rich meat. ...more
Bakerella offers a trove of fun recipes for dessert-on-a-stick. Cupcakes, cakes, pies, cookies, even macaroons, all bite-size, all lollipop-style. My favorites below. Peeps + pens = Pikachus or … Peep-achus: Start out simple with the classic Cake Pop: Graduate to Hello Kitt ...more
To make a rubber band car you will need one sheet of card stock, four paper clips, two binder clips, one plastic straw, 8 inches of dowel that fits into the straw, two pencils and one rubber band. You will also need four CDs or round pies of cardboard, tape, a ruler and a mark ...more
Are you interested in selling your products at the local Farmers Markets? Many small mom and pop food crafters get started selling their artisan breads, homemade cakes, cookies, pies, biscotti, candy, seasoning mixes or regional barbecue sauces direct to customers who visit lo ...more
Thanksgiving is just around the corner, and the belts are already loosening in preparation. Besides the copious amounts of turkey, stuffing, greens, and pies, you may have enough room for some classic cake. Now, in the spirit of T-day, if you're a guest, you definitely want t ...more
"You can even eat the dishes," claims the song "The Candy Man Can" from 1971's Willy Wonka and the Chocolate Factory. The idea of edible cups, even back then, grabbed my attention—any kid would much prefer to eat her dish instead of clean it afterward, of course! Don't Miss: ...more
If you happen to have a bunch of empty glass jars lying around your home, the gift-giving possibilities are endless. Love to bake? You can bake pies, cupcakes, cakes, and bread directly into the jar. Or you can mix the dry ingredients in the jar and include recipe instruction ...more
I can imagine you sitting there thinking to yourself, "I've played a lot of games! I bet he won't have any that I don't know about!" Well, that's entirely possible. I'm only drawing from my own personal experience here, so you may, in fact, know of all these games. However, f ...more
There's nothing in this life that we love more than making one ingredient or one food tool do multiple things. It saves money! It saves time! It makes us look smart at cocktail parties! Without further ado, here are several ways to save money, waste less food, and make the mo ...more