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News: What the Irregular Heart Rhythm Notification Means on Your Apple Watch

Waking up your Apple Watch to see "your heart has shown signs of an irregular rhythm suggestive of atrial fibrillation" might come as a shock. While your watch can send you warnings if it detects a fast or low heart rate, those messages are pretty vague, while the abnormal arrhythmia alert can downright scary. So what should you do if you receive one of these AFib notifications?

How To: Search Real-World Text for Words & Phrases Using Your iPhone

Safari has a convenient "Find" feature to search for specific words and phrases in a webpage, and Apple Books has a similar feature for e-books and PDFs. But those do nothing for you when searching text in the real world. Hardcover and paperback books are still very much a thing, as well as paper-based documents, and finding what you need is as simple as pointing your iPhone's camera at the page.

News: Magic Leap One Teardown Reveals Sophisticated Hardware with Shortish Shelf Life & Low Repairability

One of the primary marketing tactics used by Magic Leap in promoting the Magic Leap One was selling early adopters on the "magic" contained within the device. On Thursday, some of that magic was uncovered as the Magic Leap One was completely disassembled by repair engineers, revealing the delicate innards of the device and detailing how it delivers its augmented reality experiences.

News: Quanergy's New $250 Solid-State LiDAR Could Bring Self-Driving to the Masses

One of the big hurdles when equipping vehicles with sensors for autonomous driving is the cost. For example, the Light Detection and Ranging (LiDAR) sensors that power many versions of self-driving car technology are pricey, currently ranging from around several thousand dollars up to $85,000 per sensor—and vehicles often need multiple sensors to see enough of what is going on around them to drive safely.

How To: Enable the Hidden 'Night Mode' Setting on Android 7.0 Nougat

When Google released the first Developer Preview build of Android 7.0 Nougat, users were happy to see that a new "Night Mode" was included among the changes. The feature would cancel out any blue light emitted from your screen to help you get to sleep a bit earlier, quite similar to f.lux for desktop computers, or Apple's Night Shift for iPhones. It could be set to turn on automatically based on time of day, or you could manually enable Night Mode with a Quick Settings toggle.

News: Microsoft Windows Gets the Virtual Reality Treatment with Envelop VR

Most of us work with a single monitor, but even with one or two extras, they still offer a rather confined workspace. Virtual reality, however, doesn't have such boundaries. As a result, VR headsets can work as excellent productivity tools. Windows can't just adapt on its own, however, so Envelop VR stepped in and created a new working environment to allow the desktop to expand beyond its traditional, rectangular bounds.

How To: Disable the Lock Screen on Windows 10

If your PC setup includes a mouse and keyboard, you'll be happy to know that most of the touchscreen-first features of Windows 8 have gone by the wayside in Windows 10. Where it once required awkward gestures to access key features, Windows now recognizes when you're using a traditional desktop or laptop, then responds by making sure that all features can be easily discovered with clickable buttons and menu entries.

How To: 9 Ways to Use Gatorade for Function, Fun, & Frivolity

Gatorade: its popular red flavor can stain the whitest fabric, and its sweet taste is oddly refreshing after breaking a sweat. If you've ever participated in a sport, you probably spent halftime at games and practice breaks chugging the stuff. Though it made its name as a sports drink, Gatorade is also a well-known hangover helper—but its beneficial and interesting uses don't end there. The brightly colored drink can do so much more than just hydrate you.