Light Without Electricity

Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touc ...more

One of the many perks of being a Nexus user is that Google bakes in all sorts of goodies for use on its dessert-themed OS. From an easily unlocked bootloader, to a smooth and well-crafted "stock" UI experience, to being one of the first devices to receive updates straight from ...more

If you're the kind of person who misses the bright, sunny days of summer during the colder months, Michail has the perfect addition to your home. He built this "Nuclear Explosion" Chandelier that's as bright as daylight, so you can recreate the feeling of summer, no matter wha ...more

Since we wouldn't have Android without Google, everyone has come to realize that the Pixel smartphones are a prime example of what an Android smartphone should be. With so many unique software related features, no wonder people want that Pixel experience. OnePlus offers its O ...more

Researchers at the cyber security firm Zimperium have recently uncovered a vulnerability in roughly 95% of Android devices that has the potential to allow hackers to take total control over your phone with a simple picture message (MMS). The gritty details of this exploit have ...more

With all the controversy around the Pixel 3 XL, the regular-sized Pixel 3 might be the phone of choice for most users. Thanks to the huge boost in screen size, the little brother is now an easier pickup for those who like a bigger screen. And once more, the internals are the s ...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

Lighthouses and signal fires may have been the first social media. Without the ability to share language, a distant light meant "humans here." A new study from the University of California, San Diego, finds that bacteria can also send out a universal sign to attract the attent ...more

The "controversial" Pixel. No phone in the history of Google's Pixel lineup deserves this title more than the Pixel 3 XL. For some (including myself), the design is a welcome change that embodies the modern design of 2018 flagship phones. For others, it has an ugly huge displa ...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

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

The notification light on phones and tablets is slowly disappearing. The once staple feature is now only found on a few devices, and a bevy of other notification systems have sought to fill the gap. The most popular of these systems is Ambient Display, which has grown in popul ...more

The venture arms of Samsung and Verizon Ventures, along with Comcast, are among the strategic investors backing startup Light Field Lab and its glasses-free holographic displays in a $28 million Series A funding round Bosch Venture Capital and Taiwania Capital led the funding ...more

If you have ever attempted to mix and shape your own meatballs or burger patties, you may have endured bits of meat continuously and stubbornly sticking to your hands. This can make shaping more challenging than it should be. Ground meat in any form—beef, chicken, turkey, lam ...more

From day one, my favorite thing about the Magic Leap One has been its portability. It's so well designed that it just screams to be taken out for a walk through the city. Alas, Magic Leap says the device is (currently) designed to be used indoors, preferably in settings contai ...more

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more

The Galaxy S5's screen is truly a feat of modern technology. It uses what is known as an AMOLED display—an acronym for Active-Matrix Organic Light-Emmitting Diode. In short, this technology means that every individual pixel on your phone's screen emits its own light. This is a ...more

The new iPhone 8 and 8 Plus models come with a gorgeous Retina HD display with Apple's True Tone technology, which automatically adjusts the white balance on the screen to match the ambient light around you. The iPhone X also has True Tone built into its Super Retina HD displa ...more

Apple's iOS 11 is finally here, and while they showed off several of the new features it brings to your iPhone, iPad, and iPod touch back at WWDC 2017, they've only just touched the surface of what iOS 11 has to offer. There are a lot of cool new (and sometimes secret) feature ...more

We all know that opening our work emails at home is a bad habit. Yet reading and responding to emails every time your iPhone dings is worse than you might realize. Not only are you extending the workday, but you are also sacrificing your ability to perform on a daily basis. W ...more

Personally, I know life would be a lot easier if the people in it could just read my mind. Since that technology is currently unavailable, it's comforting to know that your air conditioner can be your personal telepathist with Sensibo. Sensibo works with any A/C unit that has ...more

While there's no denying that iPads are better when it comes to multitasking and productivity, your iPhone has a few tricks up its sleeve to rival even the best iPad features. One thing about iPadOS is that it's really easy to highlight editable text with gestures, but it's ju ...more

If you want to avoid the hassle of going out on New Year's Eve, you can always host your own New Year's Eve celebration at home—and it doesn't have to cost a lot, either. A few basic tips: Host your party after dinnertime so guests don't expect full entrees. Limit your guest ...more

Originally made using whale fat, candles first appeared over 2,200 years ago as a means of illumination. From the 1st century up until the 19th century, candles were primarily made using beeswax or tallow, and aside from providing light, were used as a method of keeping time. ...more

Many phones these days are being manufactured without a notification LED—it's a cost-cutting move, and it's really not an essential component. However, the notification light on Android devices has traditionally alerted users to any missed messages, and this is functionality y ...more

According to a new study, the majority of smartphone users check their devices 150 times a day. While that number may seem incredibly high at first glance, the influx of notifications and amount of social media apps available reduce the initial shock and make the number seem n ...more

The idea of squeezing your phone might have sounded a bit out there when it was new, but it's now a hallmark feature on Pixel devices. As useful as it is for summoning the Google Assistant, however, it certainly would be nice to be able pick and choose what action is triggered ...more

No matter how many camera improvements a phone adds, you're always better off using manual mode. Known as "Pro Mode" on the Galaxy S20, this feature can remove Samsung's pre- and post-processing from photos, putting you in total control. At first glance, manual mode is intimi ...more

When I first found out about Nreal, back in the spring of 2018, the most interesting thing about the company's story was the founder's background. Chi Xu, the CEO and founder of Nreal, previously worked at Magic Leap as a software engineer. Earlier this year, when I met Xu a ...more

OnePlus always seems to offer affordable yet powerful tools for videographers of all kinds. The camera hardware itself is crucial, but what's hardware without good software to highlight its real potential? It doesn't matter which version of the smartphone you have, they're all ...more

We had some friends over for a barbecue a few weeks back. Among other items, this outdoor soirée featured an epic potato salad (bacon, basil, crushed potato chips, pickles—the whole nine yards). And, like many potato salads, ours was made with a hearty amount of mayonnaise. B ...more

One of Android's biggest strengths, when compared to other mobile operating systems is its open file structure. Google introduced a built-in file manager with Marshmallow that provides basic file management, but like with most apps on Android, there are alternatives. Third-par ...more

The year 2018 was a rough one for Snap, the company behind the Snapchat app and the Spectacles wearable camera device. From executive departures to reports of slowed user growth, the company that once spurned Facebook's multibillion-dollar advances is now facing a moment of tr ...more

Last year, Lytro released their first light field camera to help photographers have more control over focusing. This innovative and revolutionary camera allows users to change the depth of focus of a photograph after the picture is taken. Video: . These depth-of-field-changeab ...more

If you're an AirPods owner, you know the sound — that decrescendo of little beeps and boops means imminent "death" for your wireless earbuds. Other than that infamous chime, however, it's not overly clear how to check your AirPods, AirPods Pro, or AirPods Max power levels. Tha ...more

There aren't many iPhone apps that let you change their color theme beyond light and dark appearances. They really don't need to either because iOS has a few hidden tricks up its sleeves to help you customize any app's colors either during a specific session or every time you ...more

The most recent premium flagship smartphones from Google — the Pixel 7 Pro and Pixel 6 Pro — are equipped with displays cable of 1440 QHD+ resolution. But they also come with a tool to downgrade to 1080p FHD+, which you may want to do in certain situations. QHD+, a higher res ...more

When compared to last year's model, the Pixel 4a has upgrades that go beyond the spec sheet. But since it's one generation old, 2019's Pixel 3a can be had for one hell of a discount right now, and it's still got two full years of software updates coming its way. So which one r ...more

Smartphones have become such a big part of our lives these days that they're now closely associated with our personal identities. No longer is it Ford versus Chevy, rock versus rap, or PC versus Mac—now, you're either an Android person or an iOS person. Don't Miss: 10 Things ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

One of the major additions in the Google Pixel 4 is the new Soli chip. It's the miniature radar sensor that powers Motion Sense, a new way to interact with your phone without touching it. There are a few new gestures you'll need to learn to take advantage of Motion Sense, so l ...more

Want to add cool, colorful effects to your photos without paying for filters or using Photoshop? A cheap glass prism (and some practice) is all you need to bend the light to capture images like the ones below taken by wedding photographer Sam Hurd. Sam uses a six inch triangul ...more

Night Shift, Dark Mode, Reduce White Point, and Zoom's Low Light Filter all help reduce the harmful effects on your body's clock that bright iPhone and iPad screens have at night. But there's another option on iOS and iPadOS that turns your entire display red, and it's useful ...more

Smoked foods are popular all over the world, but most of us don't have smokers at home. If you want smoked salmon, brisket or Gouda, you usually have to go out and buy it. Outdoor smokers aren't usually an option for city-dwellers, and the indoor versions can be pricey. If yo ...more

Looking to transmit some super-secret audio communications to your other spy buddies? A laser is the perfect tool for getting your sounds heard from a small distance—without anyone intercepting them— even if it's just a cover of your favorite pop song. A laser audio transmitte ...more

OnePlus, whose phones always challenge for the title of best spec-to-price ratio, releases two main devices every year. There's the primary flagship in late spring, then an iterative update with the "T" suffix in fall. Typically, there's not much difference between the two, bu ...more

The software released in the 2015 iterations of the Samsung Galaxy line of devices—the S6, S6 Active, S6 Edge, S6 Edge+, and Note 5—have some pretty neat camera features that give these devices arguably the best smartphone camera on the market today. Out of the box, Samsung's ...more

Ever since iOS 7, you could ask Safari on iPhone to show you the desktop version of a website, and in iOS 9, it became even easier to do. However, it's always been a hidden feature, something you wouldn't know is there without reading articles or tips online telling you what t ...more

Some bacteria can already do it—generate electric current, that is—and those microbes are called "electrogenic." Now, thanks to the work of a research group from the University of California, Santa Barbara, we know how to easily turn non-electrogenic bacteria into electricity ...more

WhatsApp may be one of the most popular mobile messaging services around since it's multi-platform, but if most of your family and friends use iPads and iPhones, there's no need to go beyond the stock Messages app. Except, it's so damn boring and slow. You can't really custom ...more

The default Camera app on your iPhone can take some pretty incredible photos during the day. Newer iPhone models can even make nighttime shots look good. But you can't just point and shoot if you want to capture some pretty spectacular fireworks photos on July 4th, New Year's ...more

Last June, Meta began shipping their Meta 2 mixed reality headset, to the delight of many. In September, it was announced that shipping had been delayed until the end of the year. Then it appeared that Christmas would bring something magical when Meta sent out an email four da ...more

The future of augmented and mixed reality offers many possibilities, mostly because we're still figuring out everything it can do. While Meta is open to exploration, they've spent a lot of time thinking about what the future of this technology will be. We spoke to Ryan Pampli ...more

The iOS App Store is a big place, offering over two million applications in total. However, there are actually some apps you can and should install on your iPhone that the iOS App Store doesn't include. And no, these apps do not require any difficult jailbreaking or complicate ...more

So, you've gotten (or are getting) a shiny new iPhone 8 or 8 Plus. Congratulations! It's got great new features including the new A11 Bionic chip, wireless and fast charging, and portrait lighting. And let's not forget a much better battery ... right? Wrong. The iPhone 8 mode ...more

Here at Next Reality, our typical approach to all things augmented reality involves vision combined with remote control, either via a handheld device, gaze control, or hand/finger tracking. But a new dynamic takes the notion of interaction with virtual content into a new real ...more

Many of you are ready to capture the litany of 4th of July fireworks that will litter the night sky, but if you're using a phone to capture the burst of fire in midair, it can get a little tricky. Don't worry, though — you'll be fine if you use these tips. While pro and semi- ...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 top five apps of the 2010s were all social media apps of some kind, and the fact that's not surprising to you says a lot. We may use them for other reasons here and there, but our phones are social media machines at their cores. The thing is, some make better machines than ...more

Don't throw away your dead light bulbs, they may come in handy one day. This video will show you how to start a fire using a dead lightbulb. And no electricity. The tricky part is emptying out the insides, but this can be done with sticks and stones, assuming you're in a surv ...more