Many new developers are diving right into the Microsoft HoloLens, but augmented and mixed reality are fairly big subjects in terms of learning. There's a lot to cover and, unfortunately, very few places for someone brand new to Windows Holographic to begin lessons. Daily—and ...more
In a previous tutorial, we were able to measure vertical surfaces such as walls, books, and monitors using ARKit 1.5. With the advent of vertical plane anchors, we can now also attach objects onto these vertical walls. In this tutorial, you'll learn how to make your augmented ...more
New to Microsoft 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 MS Excel tutorial from ExcelIsFun, the 579th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more
Need to know how to solve function problems in algebra? 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 footst ...more
Math always seems hardest until someone shows you how to do the problem and then it all seems just so simple. This video will walk you through the process of finding the surface area of a cone when you also have to derive the slant height. Use this example to help with your ot ...more
If you have any doubt about how secure that strong password you created really is, there's an easy way to check online. Just visit HowSecureIsMyPassword.net, which uses a combination of math and statistics to determine how long it would take for a PC to crack your password. It ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 65th installment in ...more
Unless you're living in some weird parallel universe where plug-in light bulbs are the norm for household lighting, chances are you've had to unscrew a light bulb every now and then. Sometimes, replacing those burnt out Edison-based bulbs can be tricky, particularly in high c ...more
Combination locks are a major part of life for people High School, the Armed Services, and enough other places to make this video very useful to a lot of people. It will show you how to open any twisting combination lock (like a Masterlock) with using math or any other sophist ...more
While obvious, it's a lot more difficult to hack into a locked computer than an unlocked computer. As a white-hat hacker, pentester, cybersecurity specialist, or someone working in digital forensics, there's an easy solution — make it so that the computer won't fall asleep and ...more
No doubt you've seen some of the hack logs being released. One part that stands out over and over again is the heavy database usage. It used to be early on that virus and hackers would destroy data, usually just for lulz. However, with the explosive commercial growth of the In ...more
We've provided Google insiders, Google's community managers, authors, and celebrities for you to add to your circles. This week, we've discovered over 100 brilliant photographers for you to follow. Google+ is a great showcase for professional photographers. With in-house edit ...more
Here are some charts I made to help you master crafting recipe levels. Don't forget to note the rewards at the bottom of each chart! If you need an overview of what Crafting Mastery is, check out the official Farmville blog post here. I have taken the information from their c ...more
There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're conc ...more
A light meter can prove to be an invaluable tool on any film set, allowing you to quickly and efficiently set lights and know the correct exposure values of those lights. Light meters were initially designed for still photographers and cinematographers can easily calibrate the ...more
This video from Yay Math! is a geometry lesson on how to complete a proof involving segments. He draws a line segment with four points labeled A, B, C and D. The problem is as follows: Given: AC is equivalent to BD. Prove that AB is equivalent to CD. The first statement of pro ...more
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics s ...more
The Calculator app on your iPhone may seem boring and basic, but there are a few interesting tricks worth knowing. You can ask Siri to perform calculations for you, long-press on results to copy them, long-press the field to paste numbers in, and swipe left or right above the ...more
A carefully constructed frittata is one of the culinary world's perfect wonders. It's inexpensive to create, can be made with all sorts of leftovers, and is outstanding to eat for breakfast, lunch, or dinner. However, frittatas can go downhill fast and come out spongy, tastele ...more
In honor of the new Astronomy World, I thought we should look at a few planetary icosahedrons. The icosahedron is the most round of the Platonic solids with twenty faces, thus has the smallest dihedral angles. This allows it to unfold into a flat map with a reasonably acceptab ...more
Comparing evaluations of the same thing done on different scales can seem difficult, but there is a simple equation you can use to translate something expressed in one numerical scale into another. This video will show you how to use it and make your math life easier.
In our last ARKit tutorial, we learned how to measure the sizes of horizontal planes. It was a helpful entryway into the arena of determining spatial relationships with real world spaces versus virtual objects and experiences. This time around, we'll dive into a slightly diff ...more
Check out this instructional math video that demonstrates how to solve ratio problems. In the 14th 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: - p472 #6 - p843 #16 - p535 ...more
I have never been the most artistic person in the world, but never overlook a great piece of work when I see one. With George Lucas selling the Star Wars franchise to Disney for more money than I could make in ten lifetimes, it's safe to say the franchise has a lot of fans. S ...more
Here's a Math Craft project that takes less than 20 minutes, has an attractive, practical result, and is at least a little mind-blowing due to folding along curves. The designer of these boxes is Phillip Chapman-Bell, who runs an amazing origami blog and has a spectacular fli ...more
This educational video from free math tutoring shows how to calculate the slope of a line and assign units to the answer obtained. This video assumes that the viewer is familiar with the concepts of axes and co-ordinate geometry. The narrator uses a commonly used formula to ca ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 12th installment in ...more
We will be translating the sentence "twice y differs from 5 by more than two, “into a mathematical equation. The word twice generally means two times, so 2*y (because y comes next in the sentence). Differs normally means is different and a difference from something in a mathem ...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
Check out this bar trick of super sonic hearing. It is the trick that fooled Einstein by Brian Brushwood and Revision3's Scam School. Watch Brian scam Olympic gold medalist Jonny Moseley with a few coins, and some algebra! EFFECT: You and your friend pull out some change from ...more
At this point, we've seen Samsung's vision for Android Oreo on both the Galaxy S8 and Galaxy Note 8. Just last month, Samsung opened its Oreo Beta Program for the S8 to the public. A few days ago, we obtained and detailed a leaked beta build of Oreo for the Note 8. While both ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 52nd installment in ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use ANOVA with a TI-83 graphing calculator. What is ANOVA? One-way Analysis of Variance. Researchers at Purd ...more
The concept of Scrabble and Words with Friends is the same—play words, score points, win. But the games require different strategy in terms of letter placement, premium squares, tile point values and word choices. Here's the main differences between the two games. Scrabble ha ...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. With this installment from Internet pedagogical sup ...more
See how to unpack and solve a word problem containing radical equations with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belo ...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
You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discove ...more
What else can you do with a deck of cards besides play games? Magic! There's nothing better for a magician's repertoire than a few great card tricks, so make sure you watch this video tutorial on how to perform the "impossible card location" magic trick. This is a lengthy tric ...more
This is just too cool. As soon as I saw this, I thought, "Math Craft!"
Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, ...more
Think credit card numbers are just a meaningless jumble of digits? A sort of number soup? Think again! Your credit card number isn't even number at all but rather a composite of four separate numbers, each of which plays an important, fixed role. Because of these roles, you c ...more
Could you use a little help figuring out how to find an unknown angle in a paralellogram? Watch this free video geometry lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And ...more
By "God," I mean Morley Davidson, John Dethridge, Herbert Kociemba, Tomas Rokicki and about 35 CPU-years. Ever since Erno Rubik conceived the Rubik's Cube in 1974, math-minded cubers have been trying to find the most efficient number of moves required to solve the 3x3 Rubik's ...more
To hack into Google images follow the following steps. You will first need to open a new internet browser window and go to Google, then load their images website. Next type into the search bar your image query and press search. Once you have gotten your search results paste th ...more
I wish there was more information about this impressively massive sonobe model, but all I can glean is that it appears to have been made by Imogen Warren, and was posted by Room 3. So awesome.
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to do binomial probabilities with a TI-83 graphing calculator. Binomial probabilities. A pack of M&M's contain ...more
Oh, what fun you can have with a little math + a little origami. Bradford Hansen-Smith folds intricate geometric sculptures entirely from paper plates and is kind enough to offer a few HowTo's to get you started. Examples of his work below; scroll all the way down for the How ...more
In this video, we learn how to convert numbers in and out of standard form. Standard form is a useful way of writing down very large numbers and very small numbers. To do this, you will look at the number you have and ignore the zeros that are just at the end. Then, write down ...more
Check out this instructional math video that demonstrates how to solve a number sequence. These are basically a list of numbers, and there's a pattern to figuring out which number will come next. In the 15th lesson, learn how to solve SAT problems using the Official SAT Study ...more
In 2008, Audiosurf came out on Steam, creating the psychedelic music game genre. If you haven't played it in the intervening three years, you're missing out on one of the coolest things in video games. The player selects any MP3 on their computer, then the game builds a unique ...more
If you've running iOS 11.1 through iOS 11.1.2, whether you have an iPhone X or an iPhone 5S, you'll notice that Apple's Calculator app can't keep up with your calculations. That's a because a bug has seriously slowed it down so that operation buttons won't always trigger when ...more
In this clip, you'll learn how to create a simple calculator program with Java. Whether you're new to the Java object-oriented programming language or are a seasoned developer merely looking to improve your chops, you're sure to find benefit in this free video programming less ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 2nd installment in ...more
Bored with crosswords and sudoku puzzles? Well, try your hands at a new type of puzzle: KenKen logic puzzles. Invented by Japanese math teacher Tetsuya Miyamoto, KENKEN allows you to test your puzzle acumen and improve your math skills at the same time. KEN-KEN (kenken), KenD ...more
Spotlight, Apple's selection-based search system, received a major facelift on Mac OS X Yosemite. Packed with dozens of new features, such as a central search window and increased app suggestions, the reworked Spotlight was a breath of fresh air. While the Spotlight Search to ...more
Line integrals will no longer be the feared terrorist of the math world thanks to this helpful guide from the Khan Academy. Marvel at the ease in which the integral is taken over a closed path and solved definitively. Then take out a sheet of paper and see if you can do the sa ...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. With this installment from Internet pedagogical sup ...more
If you have a circular or semicircular protractor like the one used in this video, making a pie chart is as easy as – well — pie. This will teach you how to use your protractor to measure out each individual slice in your pie chart. Learn how to visualize statistical data thro ...more
Apple has once again improved functionality of Siri, their personal voice assistant for iPad and iPhone, in iOS 9—and this update is a big one. You can now use Siri to find photos based on location and date, set up contextual reminders, find your friends and family, and more. ...more