Distance Between Two Points

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

If you want to find out the linear distance between your hotel and a landmark or restaurant you want to visit, Google Maps has a great feature that lets you quickly measure the distance between two or more points. It's perfect for getting an idea of how far places are in relat ...more

Video: . Step 1: Today We Are Going to Draw an Old Man's Face. Let's Start with a Rectangle in Perspective. That's Right, We Should Start with Curving in Some Basic Shapes and Then to Make the Face from That. We Should Put Down the Horizon Line with Two Vanishing Points. Draw ...more

Imagine two stakes in your backyard. Now draw an east-west, north-south coordinate system on your lawn. Measure the east-west distance between the stakes and also the north-south distance. Take the square root of the sum of the squares of the two measurements and, voilà, you e ...more

Kick Ass Review Part 2: Gameplay and Design In the game, you can play as Kick Ass, Hit Girl, or Big Daddy. Each charater has a light and heavy attack that can be strung together into small combos. Each character also has three special attacks assigned to the Square, Triangle, ...more

Are you having problems because the game was released a long time ago and the more experienced players are better than you? Then you should be very excited to find out that I will be giving you some general tips & tricks about the different classes that I have learned the hard ...more

The shortest distance between two points is a straight line, but the shortest way to launch an app on an iPhone can be a much more complicated process. While Android users can practically drown themselves in home launchers and widgets for quick-launching apps, iPhone users ar ...more

Our phones have evolved past a simple pocket computer. They have become more like Swiss Army Knives, opening up possibilities that were previously considered Sci-Fi material. Thanks to the recent push into augmented reality, a new world of tools is becoming available to mobile ...more

Particles, such as electrons, have a property called spin which can be measured at any angle, but when measured always results in one of two answers—up or down. If a particle's spin has been measured at an angle of zero degrees and results in a spin up answer, then if its spi ...more

The iPhone 12 Pro and 12 Pro Max have one huge thing that sets them apart from their iPhone 12 and 12 mini siblings: a lidar scanner. Thanks to this new technology, Measure, an Apple app that's just over two years old, has gotten even better. For ARKit-capable iPhone models, ...more

Apple Watch owners know the struggle — it's the end of the day, and those rings aren't met. Whether you forgot your watch before hitting the gym, let the battery run out, or just didn't move enough, you could feel the sting of fitness failure. But it doesn't have to be this wa ...more

Halloween is coming up, so many of you may have a need or desire to carve a pumpkin and turn it into a Jack O' Lantern. This week we are going to explore carving our pumpkins into interesting geometric shapes. In this post, we will carve the pumpkins into spherical versions of ...more

From LAist: Areas designated as bike lanes on the USC campus are now unfriendly territory for bike riders, after "Dr. Charlie Lane, associate senior vice president for Career and Protective Services, announced at a bicycle safety forum that the school is enacting a bicycle ba ...more

Spotty cellular reception is a fact of life that we all have to deal with, especially when you're traveling. For those of us who rely on our smartphones for navigation, driving through areas with bad mobile data service can be a cause for major headaches. Thankfully, Google M ...more

Map apps, while incredibly helpful in our technology-centric world, can often be a source of frustration. No maps app is perfect, and things can get confusing fairly quickly when trying to navigate GPS mapping. iOS developer Andrew Hart has experimented with a new way of mobil ...more

Several recent research studies have pointed to the importance of the microbes that live in our gut to many aspects of our health. A recent finding shows how bacteria that penetrate the mucus lining of the colon could play a significant role in diabetes. The new study led by ...more

As someone who's dependent on glasses to see on an everyday basis, losing or misplacing them is obviously a bad thing. I can't even see clearly enough to find the glasses that I just lost, so I'm pretty much blind now. Without your prescription eyewear, the world is a blur. P ...more

There are plenty of ways to make a camera mount for your car, but what if you don't have a car? If you use a bicycle or motorcycle to get around, you can still take smooth videos with this awesome DIY mount for your iPhone (or any other smartphone) by antoinebugleboy. All you ...more

If you thought the last post on Two Circle Wobblers was wild, then wait until you see what happens when you build wobblers out of two half circles or two ellipses. In both of these cases, the center of gravity still remains constant in the vertical direction, allowing them to ...more

It's Monday, time to highlight some of the community submissions posted to the Math Craft corkboard. One of these posts inspired me so much, I think it merits a closer look. Today, I present a "simple" method for making a golden spiral using just a straight edge, a compass, an ...more

If you're always taking blurry and underexposed pics with your mobile device, try using some of the tips below to turn your phone into a valuable photography asset. It doesn't matter if you have an iPhone, Android smartphone, or even a first-gen camera phone... you can still t ...more

One of my favorite simple projects is building two circle wobblers. I love how such a simple object amazes with its motion. The two circle wobbler is an object made out of two circles connected to each other in such a way that the center of mass of the object doesn't move up o ...more

The Microsoft Surface has been the go-to device for many professional artists since its initial release back in 2012. Since then, the Surface line has continued to offer customers a portable, high-powered machine that's a near perfect value for both casual and professional art ...more

Using only a circle and straight lines, it's possible to create various aesthetic curves that combine both art and mathematics. The geometry behind the concentric circle, ellipse, and cardioid dates back centuries and is easily found in the world around us. From an archery tar ...more

Trivia games are a great way to test your knowledge and learn about people and things you never knew of before. They're ideal in a group setting because they can serve as the perfect conversation starter when you're enjoying time with friends, family, or even complete stranger ...more

Microsoft recently released "Seeing AI," an app aimed to help the blind understand their surroundings. As Microsoft puts it, "the app narrates the world around you by turning the visual world into an audible experience." We asked Matthew Chao, the brother of one of our founde ...more

The battle between the Pixels and the iPhones has been heating up over the last few years, and this year's bout is the best one yet, with Google's Pixel 3 taking on Apple's iPhone XS. Why is 2018's lineup the best competition between the two flagships? Because Google and Appl ...more

No matter what word game you're playing, whether it's Scrabble or one of its near-homogeneous counterparts like Lexulous, Wordfeud or Words with Friends, one of the easiest ways to stay on top of your opponent is knowing all of the legal two-letter words you can play. You're n ...more

As you're surely aware, your phone can be used against you. Thanks to our cameras and microphones, a clever hacker can obtain access to your device and invade your privacy. But spying isn't limited to just these two sensors — gyroscopes, proximity sensors, QR codes, and even a ...more

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting ...more

Hello, budding augmented reality developers! My name is Ambuj, and I'll be introducing all of you Next Reality readers to the world ARKit, as I'm developing an ARKit 101 series on using ARKit to create augmented reality apps for iPad and iPhone. My background is in software en ...more

Among the revelations uncovered during the December unveiling of the Magic Leap One: Creator Edition was the fact that the Lightwear augmented reality headset would be tethered to a wearable computer called the Lightpack. Now, according to a recently-published patent applicat ...more

Some cops already have the ability to extract data from your cell phone using handheld forensic devices, but soon police officers will have a new mobile data collection toy to play with—an Apple iPhone. Actually, it's an iPhone-based device that connects directly to the back o ...more

I've covered augmented reality apps for about three years now and the most useful mobile app I've encountered over that time is Google Lens. In brief, Google Lens can recognize and interact with text and identify a wide spectrum of objects, turning your smartphone's camera in ...more

More often than not, road trips will include unforeseen pit stops that have to be made, no matter how well prepared you are. In the past, making an unscheduled stop may have led to headaches and delays when your navigation app got off track, but thanks to a feature in Google M ...more

Even though most phones don't have Oreo yet, Google has released Android 9.0 Pie. It's available on Google's own Pixel devices, and updates should soon be available to partnered devices from Essential, Nokia, Oppo, Sony, Vivo, and Xiaomi. We're already digging into it to highl ...more

While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more

Pokémon GO, the biggest augmented reality sensation ever, broke app store records this opening weekend. But it also did something even more important: it gamified physical activity. You've probably heard that sitting will practically kill you, and that you need to avoid a sed ...more

Facebook and its Oculus subsidiary have been open about their intentions to bring AR wearables into the mainstream for some time now. Nonetheless, when Oculus talked about its AR plans at the Oculus 6 keynote presentation on Wednesday, it still managed to surprise its audienc ...more

A good smartphone can be the perfect workout companion. You have music for motivation, videos for pushing through boring cardio sessions, GPS to keep you on course, and even an array of sensors for gathering data about your workout. But not all phones are created equal when it ...more

Written Instructions with accompanying video for anyone who wants to make a basic pant exactly to your measurements! Please get your correct measurements before you begin from How to Take Your Measurements. Video: . Note: Solid lines are the final cutting lines. Dotted lines a ...more