Rational Expressions and Applications

4DViews, the volumetric capture company that films actors and performers in augmented and virtual reality for things like movies, TV series, and applications, has just released the app 4DViews: Raise Virtual to Reality, to demonstrate its technology for smartphones. The mobil ...more

Cross-site scripting can be one of the easiest vulnerabilities to discover, but to be successful with this type of attack, it is essential to learn how to get past filters. In the previous guide, we explored some ways to do this, such as abusing attributes and event handlers a ...more

There is no shortage of defenses against cross-site scripting (XSS) since it is so prevalent on the web today. Filters are one of the most common implementations used to prevent this type of attack, usually configured as a blacklist of known bad expressions or based on regex e ...more

The past year has revealed a gaping hole of opportunity in the world of business called virtual meetings. Some existing players like Zoom hopped on that opportunity, while others like Skype seemed stuck on the sidelines, and Google Meet just managed to catch up in time to snag ...more

Microsoft.com is one of the most extensive domains on the internet with thousands of registered subdomains. Windows 10 will ping these subdomains hundreds of times an hour, making it challenging to firewall and monitor all of the requests made by the operating system. An attac ...more

The Disney Research Lab is using projector-based illumination to paint actors' faces during live performances. You know what that means? Disney just took Halloween to a whole new level. Here's how they did it: The actors move on stage, sans makeup, while the AR light follows ...more

Since the 1960s, bacteria have been hopping a ride into space on space vehicles and astronauts, and have been cultivated within experiments on space shuttles and the International Space Station (ISS). The extreme growing conditions and the low gravity environment on the Earth- ...more

I am an English major physically allergic to all algebraic formulas, so you're unlikely to get any help from me when it comes to solving any expressions. But in the glorious technological age we live in, there are plenty of apps that actually make math and problem solving fun, ...more

Life's pretty good for iOS public testers — we get to check out new iPhone features months before the general public even knows they exist. That said, we aren't first to the party. Developers get priority during beta testing, as evidenced by yesterday's iOS 13 dev beta 6 relea ...more

If tradition holds, we're roughly one month away from Apple's big iPhone announcement. While we're excited to see what will mainly be a significant camera upgrade, it's not all about the hardware. Apple will also release the official version of iOS 13 to coincide with the iPho ...more

Apple just seeded the fourth public beta for iOS 13 to software testers today, Tuesday, July 30. AppleSeed participants saw this beta one day early, alongside the release of developer beta 5. Now, developer and public testers alike are up-to-speed with the latest in iOS 13. B ...more

Beta testing for Apple's big upcoming iPhone update, iOS 13, is well underway. So far, each of the four beta versions we've seen brought new features and changes to the table, many of which were never even mentioned by Apple during WWDC in June. Now, it's time to do it all ove ...more

When you drive along the deceptively sedate streets of Silicon Valley, there are few hints that all those nondescript office parks and low-rise buildings contain the very future of the planet, but they really do. On a recent trip to tech's epicenter, I found that out firsthand ...more

There are nearly 100,000 unique onion service addresses online with over two million people using Tor every single day. Join me as I explore a small fraction of what the Tor network has to offer. It's puzzling to imagine about 100,000 .onion websites in existence. Readers who ...more

Apple dropped the sixth public beta for iOS 13 today, Aug. 15. This public update comes just hours after the release of developer beta 7, an interesting move for Apple. The company has recently stuck to a schedule of seeding the public beta at least one day after the developer ...more

Apple's sixth iOS 13 developer beta was a welcome update for us beta testers. New options for toggling Dark Mode, a way to hide website previews when peeking links, plus UI changes made for a significant iOS 13 upgrade. We're hoping Apple continues this trend of fun and excite ...more

Apple has tools built into iOS to help parents monitor the iPhone habits of their children. However, those same tools can be used by everyday iPhone owners to both hide apps they don't care about, as well as restrict features they don't need or that infringe on privacy. Whethe ...more

Mobile augmented reality developer Blippar has updated its mobile app for iOS and Android with an augmented reality face profiles feature based on the company's real-time facial recognition engine. Dubbed Halos, Blippar users can open their own AR face profile and connect wit ...more

In the previous section of this series on dynamic user interfaces for HoloLens, we learned about delegates and events. At the same time we used those delegates and events to not only attach our menu system to the users gaze, but also to enable and disable the menu based on cer ...more

Architects are natural candidates to be early adopters of mixed reality. Their trade consists of not only designing buildings and spaces, but also presenting those designs to clients, who then decide that their vision is worth spending thousands (if not millions or billions) ...more

For enterprise augmented reality platform makers, remote assistance apps represent one of the greatest opportunities to show off the power of immersive computing. These apps enable experts to guide front-line workers or customers with AR prompts and other content in the field ...more

The words of three of tech's most important executives in the last 48 hours are providing some valuable insight into the near term future of augmented reality and the cloud infrastructures that support it. Apple CEO Tim Cook, Google CEO Sundar Pichai, and Snap CEO Evan Spiege ...more

Welcome back, my hacker novitiates! A short while ago, I introduced you to regular expressions. Regular expressions are a language that is particularly useful for finding complex text patterns in streams of data. Although first developed for Perl, regular expressions are use ...more

Welcome back, my budding hackers! People often ask me, "Why are you training hackers? Isn't that illegal?" Although I usually give them a short version of this post, there are MANY reasons why YOU should be studying hacking. Before I begin, I want to re-emphasize to all of y ...more

The pictures we upload online are something we tend to think of as self-expression, but these very images can carry code to steal our passwords and data. Profile pictures, avatars, and image galleries are used all over the internet. While all images carry digital picture data ...more

Contrary to popular belief, augmented reality apps have been available for a while now. I remember using the Layar app (still available for iOS and Android) to explore nearby businesses and landmarks with varying success via an early-generation Android handset. It would be ha ...more

RedRabbit is an ethical hacking toolkit built for pen-testing and reconnaissance. It can be used to identify attack vectors, brute-force protected files, extract saved network passwords, and obfuscate code. RedRabbit, which is made specifically for red teams, is the evil twin ...more