How to Remove an Object in Picture

Now that we've set up Vuforia in Unity, we can work on the more exciting aspects of making physical objects come to life on the HoloLens. In this guide, we will choose an image (something that you physically have in your home), build our ImageTarget database, and then set up o ...more

In this tutorial I will be explaining the purpose of unique encryption/decryption scripts ( I will be referring to these at "UEDS" for this tutorial). Then, I will show you how to make one. Finally I will talk about the downsides to the method I use. I will also provide links ...more

The newer Graph Search in Facebook can help you find friends in specific cities, photos of a particular subject, restaurants that your friends liked, and a whole lot more. One thing it can't help you with just yet is searching public posts on Facebook, which you could do in th ...more

You can't predict the future, but you can prepare for it. On the off chance that you get hurt in a car accident, take a nasty tumble, fall down a cliff, have a seizure, or get struck by lightning, it's always good to carry up-to-date information about your health in case you c ...more

Apple has seemingly always made it a priority to show how much it cares about user security and privacy — enough that it has a page dedicated to it, proclaiming that "privacy is a fundamental human right." It's true that there are few issues more important than user privacy wh ...more

We're pumped for iOS 13 and all of the fresh features and changes that come with it. Developer beta 3 came with new features in the double digits, including AR eye contact in FaceTime and mouse cursor size customization. Developer beta 4, released today, has a few more additio ...more

Since its debut, retro thriller Stranger Things and its characters have become ingrained in our popular culture — especially the telekinetic Eleven. For cosplayers, it didn't take long before they grabbed their boxes of frozen Eggo waffles, blonde wigs (or bald caps), and pink ...more

Ever notice how some augmented reality apps can pin specific 3D objects on the ground? Many AR games and apps can accurately plant various 3D characters and objects on the ground in such a way that, when we look down upon them, the objects appear to be entirely pinned to the g ...more

As protests surge in the wake of George Floyd's murder by a Minneapolis police officer, powerful photographs and videos from the demonstrations have gripped the world, putting our nation's very real and very justifiable widespread civil unrest out into the digital world. Unfor ...more

Apple just released the third public beta for iOS 14 today, Thursday, July 23. This update comes one day after the company released iOS 14 developer beta 3, and two weeks after the release of iOS 14 public beta 2. Apple released this update at 10 a.m. PDT. While we expected t ...more

Apple just released iOS 14 developer beta 3 for iPhone today, Wednesday, July 22. The update comes 15 days after Apple released the second developer beta for iOS 14, and 13 days after the release of iOS 14 public beta 2. Apple released this update at 10 a.m. PDT, the company' ...more

Apple just released the fourth public beta for iOS 14 today, Thursday, Aug. 6. This update comes two days after the company released iOS 14 developer beta 4, 15 days after Apple seeded developers the third dev beta, and two weeks after the release of public beta 3. Apple rele ...more

Apple just released the fourth developer beta for iOS 14 today, Tuesday, Aug. 4. This update comes 13 days after Apple seeded developers the third dev beta, and 12 days after public testers got their hands on public beta 3. Apple released this update at 10 a.m. PDT, the stand ...more

It's super easy to add filters, adjust levels, and crop images using the default photo editor on your smartphone, but there's rarely any built-in tool for removing the background in a photo. A third-party app can help isolate people and objects in your pictures, and we've foun ...more

A spectrometer is a device that splits light into all of the different colors it's composed of that can't be seen with the naked eye. It does this by using a prism to refract or bend the light. Jeffrey Warren over at Public Labs created a tutorial showing how you can make your ...more

Torus knots are beautiful knots formed by wrapping a line around a torus and tying the ends together to form a loop. The resulting knot has a star-like appearance when viewed from above. The 36 examples with the least number of crossings can be seen at the Knot Atlas's page on ...more

Apple first included a dual-lens camera onto its iPhone 7 Plus back in late-2016, yet not many developers besides Apple have harnessed the depth data that "Portrait" mode photos provide. A relatively new app is changing that, though, by using that depth information to let you ...more

Over a billion people use WhatsApp, which makes it the most popular standalone messaging service out there. But if you're one of the many people whose group of friends relies on WhatsApp for all communication, chances are, you have several years-long messaging threads with all ...more

Using your iPhone for a smart home remote just keeps getting better and better. Apple has consistently improved its HomeKit platform since the Home app came out, adding new features, tweaks, and refinements to the system with each update. And iOS 14 continues this trend with a ...more

Many things cause a bike tire to deflate. Glass, sharp rocks, tacks, and nails can pierce the tire and puncture the tube within. A tube can be pinched between the rim and tire causing the tube to split when inflated. If a tire has a hole in it, the tube, which is filled with a ...more

Every single photo you take carries with it a considerable amount of seemingly "invisible" yet important information known as metadata. Although metadata is usually helpful to sort your photographs by location and date, that same information could potentially be used against y ...more

Over the last few years, Apple has significantly improved and scaled up your iPhone's ability to edit photos. Using the Markup feature, which was introduced back in iOS 10, you can add doodles, highlights, important text, your signature, and arrows and other objects onto pictu ...more

Before jumping right into becoming the next James Neely or Moose Peterson, you're going to have get situated with your new digital SLR. No matter if you purchased the Canon EOS 5D Mark II body and lens separately or together, you've got everything you need to get started excep ...more

Stories are everywhere in social media today, but that wasn't always the case. In 2013, Snapchat introduced the world to these temporary windows into our daily lives. Since then, stories have infiltrated other popular apps. However, to stand out, you can't solely rely on the a ...more

Apple just released the second developer beta for iOS 14 today, Tuesday, July 7. The update comes 15 days after Apple seeded developers the first iOS 14 beta, which introduced home screen widgets, picture-in-picture, and 4K YouTube support, among more than 200 other features. ...more

Apple just released public beta 2 for iOS 14 today, Thursday, July 9. The good news comes two days after Apple released the second iOS 14 developer beta, and 17 days after the release of the first developer beta. While this is the first public beta for iOS 14, it's called "pub ...more

Hello my anxious hackers, the week has started and here we begin a new series that I think will help many here and not only, for those that have the opportunity to follow our tutorials but they are not yet part of the community. Don't be a script-kid? what do you mean? In pro ...more

While photography usually gets all the love, our phones have gotten really good at capturing video. Think about it — when was the last time you needed a camcorder for a vacation? With mobile cameras getting better each year, we're now at a point where smartphones can be used f ...more

The shifting sands of immersive computing, currently fluctuating between augmented reality and virtual reality, can be hard to navigate if you're only versed in one of the platforms. But a new series of videos from Leap Motion paints a picture of a near future world in which A ...more

It's Monday, which means once again, it's time to highlight some of the most recent community submissions posted to the Math Craft corkboard. I also thought we'd take a look at building a sliceform model of a hyperbolic paraboloid. Rachel Mansur put up two posts on her Modula ...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

If you've ever been inside of a real laboratory, you probably noticed how expensive the equipment is. You'd never be able to afford even just one of those ultra high-tech machines required to splice genes or split atoms. Even the lesser machines can be prohibitively costly, in ...more

The agents of empire do not always arrive with warning. When you are besieged, surrounded, and infiltrated, imagination is often your best weapon against the oppressors. If all you have at hand is some duct tape and a disposable camera, fear not, you have the makings of a powe ...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

There are some important new features in the Photos app on iOS 17 and iPadOS 17 that will streamline editing, give your pets more recognition, help you learn about the world you've captured, and even add a bit of fun to your day. There are even a few hidden tricks that may sur ...more

The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we c ...more

This is a very exciting time for mixed reality developers and fans alike. In 2017, we have seen a constant stream of new hardware and software releases hitting the virtual shelves. And while most of them have been in the form of developer kits, they bring with them hope and th ...more

Google Lens is a fantastic addition to Google Photos for Android and iOS that allows your smartphone to identify a number of things in your pictures, like landmarks and contact info. Using this power, you can even find out how to buy almost any product you've taken a photo of ...more

Offensive pictures, depressing tweets, political statuses, and just plain old dumb comments are only a few of the reasons why people unfriend or unfollow others on social media sites. Sometimes it's just social spring cleaning, other times there's no reason at all. Personally ...more

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

Apple gave its Photos app some serious muscle in a new update, and it's time to start flexing. Photos has so much power now that it may finally be time to ditch all your iPhone's other photo and video editing apps. You won't even need any third-party apps to remove background ...more

There's no doubt iOS 13 has dominated the talk around the Apple community this month. Since the announcement and release of the first developer beta, we iPhone users have had a treasure trove of new features and changes to explore and discuss. Now the fun continues with iOS 13 ...more

The first developer beta for iOS 13 is available to install on iPhone models, but the process for doing so may be a bumpy ride. Apple has not included configuration profiles for the developer beta yet, and many developers are having issues installing iOS 13 even with macOS 10. ...more

After delaying its launch by four months, LG revealed its 2018 entry to the flagship market on Wednesday, May 2. After years of an underperforming mobile division, the LG G7 ThinQ is the first product since a shakeup within the division to get things back on track, and it brin ...more

With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more

Chance are, you or someone you know is that person in the gym: flexing in front of a mirror, posing for the perfect photos to show off your workout results. But finding the right picture is hard. The thing is, it doesn't need to be. A good gym selfie or workout video doesn't ...more

I chose to make this a Steampunk iPad case, but you can change the details and make it look as modern as you'd like. As I said earlier, Steampunks probably shouldn't buy iPhones or iPads, but if you're going to get one, you may as well make it look cool, right? The iPad pictur ...more

Night mode, which helps you snap great photographs in low-light environments, is a feature available only on the iPhone 11 and iPhone 12 lineups. It's a useful tool to have in your arsenal, especially if you're fond of nightlife photography. Still, you don't have to purchase a ...more

You watched the live stream, pored over the specs, and are now super excited for the Google Pixel 4. But specs don't tell you everything. After using the Pixel 4 XL for over a week now, we've found several things you wouldn't know without getting your hands on the phone. Most ...more

Other than sticking your crayon drawings onto your refrigerator door, magnets have a variety of unexpected and sometimes surprisingly practical uses, ranging from keeping your chip bags sealed to creating weird patterns on your nail beds using magnetic nail polish. The strong ...more

As I said in this earlier post, there's no easy way to explain or define the Steampunk aesthetic. There are a large number of Steampunk tropes or "cues", as I call them, that bring to mind the feeling of Steampunk. These cues combine to push past the "not-Steampunk" threshold ...more