Build a Battery Powered Fan

Whether you're at work or just away from an outlet, nothing is more annoying than suddenly having to go through your day with a dead phone. You could carry around a cable and charging adapter, but there's no guarantee you'll be able to find somewhere to use them. You could in ...more

Sony just announced a new phone in its Xperia line that is equipped with what is quite possibly the finest front-facing smartphone camera ever. Dubbed the Xperia XA Ultra, the handset features a 16 megapixel "selfie" shooter with optical image stabilization to give you crisp, ...more

A smartphone is pretty much useless with a dead battery. When you're out and about, it can be hard to find a place to plug in (if you remembered your charger, that is). But this DIY solar panel backpack made by electrical engineer Theodore Protasiewicz will help you use the sc ...more

When it comes to augmented reality smartglasses, for now, it's still a mostly enterprise world, since the form and function of most are more acceptable on a job site versus your local cafe, and the still high price tags are far more palatable to major companies rather than ind ...more

Today marked the official unveiling of the HTC One M9 at Mobile World Congress in Barcelona. The newest HTC flagship will be released by the middle of March globally, and come in gold, gunmetal, pink, and silver. And if you were wondering, yes all of the leaks were pretty much ...more

Performance and stability improvements, as well as new features, are just some reasons to install iOS 12, but new changes mean new battery health challenges. It can be difficult to boost battery life while taking advantage of everything this update has to offer. Luckily, there ...more

The V20 is an amazing phone from LG powered by Android. Packing impressive features such as a removable battery, expandable storage, and the latest Android version straight out of the box, the V20 is a tough phone to beat. There is one thing that would make the phone even bet ...more

There's always been a clear divide between flagship and midrange phones. Flagships will run you at least $700, while midrange typically falls between $250 and $550. The main difference is the processor, with midrange phones sporting a 600-series Snapdragon and flagships rockin ...more

Since it's October and Halloween is fast approaching, it's time for a series of articles on how to make the coolest Steampunk Halloween decorations for your home! In this installment, we'll look at some jack-o'-lanterns, skulls, and a few other things that are easy to Steampun ...more

Capstone's CMT-380 stealth looking prototype can hit 150mph, compared to Tesla's 125. Tesla better step it up. Says Engadget: "Rather than mixing batteries and a conventional engine, this whip combines the former with a diesel / biodiesel-powered microturbine, which is -- fo ...more

Wu Yulu's life story belongs in a Disney movie. The 46-year-old Chinese farmer has built 26 robots over the past 30 years, with no education beyond high school. He says he loves his robots more dearly than his own sons and rides around his village in a robot powered rickshaw. ...more

When Steve Jobs introduced the first iPhone, he pointed out that the biggest problem with physical keyboards on mobile phones is that they're always there, whether you need them or not. Now, 17 years later, a new company is bringing us full circle, giving us the best of both w ...more

With over 1.5 billion people on this planet without electricity, it's hard for those of us in developed nations to even fathom how anyone can read, write, repair, or do anything else that we take for granted without any lights. While some of our First World problems pale in co ...more

My grandfather's brother won this car in a lottery during 1957. He had no driver's license, but his brothers used to give him a lift in it. From 1975 to 1996, the car was parked in my grandfather's brother's garage. My grandfather moved the car on a trailer in 1996 to his gara ...more

Update February 25: The new Sony Xperia flagship has been announced, and it has a new name: The Sony Xperia 1. You can read all of the official specs and details at our full article on Sony's new model. Though not famous as the iPhone and Galaxy, Sony's Xperia line of devices ...more

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, r ...more

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going t ...more

Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more

One thing Apple users universally complain about is battery life, whether it's on an iPad, iPhone, or Apple Watch. Apple did include a Battery Usage feature in iOS 8 to help us monitor which apps suck up the most energy, but it's too big a pain to deal with. Now, in iOS 9, the ...more

HTC claims to have improved the One M8's battery life by 40% over its predecessor, but there is always room for improvement. Our phones are pretty much glued to the front of our faces, whether we're drafting important emails or killing time on YouTube, and a rapidly draining ...more

Though not as flashy as Face ID and other features, Low Power Mode has become one of the unsung heroes of iOS. When you're away from a charger, enabling this feature will dial back performance and networking to help you eke out up to three extra hours of battery life. If your ...more

Low Power Mode can go a long way in preserving your iPhone's battery life in a pinch. It can be set manually or appear as an option once your battery levels dip to 20 and 10 percent. If you have a jailbroken device, you can take Low Power Mode a step further by having it autom ...more

There's a 2800mAh battery powering the Samsung Galaxy S5, but even it's no match for the constant day-to-day torture you put it through. Taking photos, watching videos, and playing games can make your fully charged S5 powerless in no time. While there are some features built- ...more

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

Apple's MacBook line of laptops is quite famous for their extensive battery life, thanks to various technologies that Apple has utilized. However, all things must pass, and over time your MacBook's battery will degrade. Certain use scenarios can accelerate the degradation of t ...more

Battery life is precious to all mobile device users, and nothing is worse than running out of it. The only thing that can save a device from the dreaded low battery warning is the charger, but who carries those around? Most of the time, what drains a device's battery is the c ...more

You've probably seen the classic fruit battery science experiment a thousand times, but I doubt you've ever seen it turned into an art project! Photographer Caleb Charland uses everyday objects like apples, coins and vinegar to create makeshift batteries, then takes these gorg ...more

What's a penny worth these days? Not much. But could there be some free energy hidden inside your spare pennies? You'd be surprised! See how I hack together stacks of pennies into makeshift batteries that can drive small-current devices like LEDs and calculators. Video: . You' ...more

No matter how far technology advances, battery life continues to be an issue. Powerful new hardware is introduced each year, but smartphone batteries only get a few extra milliamp-hours to compensate. There are several power-saving Android apps that aim to help with this issu ...more

The new OnePlus One packs a 3,100 mAh battery that promises to last all day and night. While that will work for most, some of us don't quite know how to put our phone down and save some juice. If you're looking to help your battery out and possibly squeeze an extra hour or tw ...more

For most people, the battery life on a DSLR is more than sufficient, but if you want to do a really long exposure or time-lapse, one charge might not last long enough to get the shot you want. You can always connect it to an extension cord to charge while you shoot, but that c ...more

Will smartphone batteries ever last as long as we need them to? Perhaps not. That's why we rely on external batteries to help us stay connected for hours, even days, longer than usual. But in 2018, you don't want to use just any external battery. Modern Android phones have fas ...more

Leaving your Wi-Fi radio "on" allows your smartphone to auto-connect to trusted wireless networks in lieu of using cellular data, but it also consumes battery power while it's constantly network hunting. If you forget to turn Wi-Fi off when you're on the go, expect a quick ba ...more

There are two main ways to view how much battery is remaining on an iPhone: the battery level icon and battery percentage. Out of the box, the second-generation iPhone SE only shows the battery level icon in its status bar, which only gives you a rough idea of how much juice i ...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 holidays are stressful. Between traveling, family, and dinner, Thanksgiving weekend can feel like weeks. Many families have traditions that make the days long, but some of us would rather curl up somewhere and watch our favorite shows. But all is not lost — our phones do s ...more

When Disney teased an augmented reality game called Star Wars: Jedi Challenges running on a headset from Lenovo, fans had more questions than Disney had answers. When? How much? Can I be a real Jedi? With official word today from Lenovo and Disney by way of IFA 2017 in Berlin ...more

As we enter the second half of 2018, rumors for the second season of flagships have started to emerge. On the Android side, this means the latest iterations of the Google Pixel, Galaxy Note, LG V series, and Huawei Mate. Thanks to FunkyHuawei and XDA, we now have some solid ru ...more

The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more

Surprising? No. Exciting? Absolutely. After a grand introduction by at the Apple event on September 10, 2019, the iPhone 11 is finally here. We may have known nearly everything about this new iOS device ahead of time, thanks to the usual surge of reliable leaks and rumors. Th ...more

After poor sales of last year's HTC 10 and the terrible reviews their first 2017 flagship received, HTC really needs the HTC U11 to succeed. But they're not taking things lying down, as they've come up with some interesting tech for their latest handset. The biggest new featu ...more

Last week, Magic Leap gave us an additional peek at its Lumin OS and more tutorials that show how its device works with virtual content. But details about the hardware wasn't included in the array of new information. Now, thanks to a developer with a keen eye for source code, ...more

The video gives a step by step tutorial on how to replace the water pump, all belts and the shaft seals on a Porsche 944 S2. The video has a German soundtrack but English subtitles are available at YouTube. The repair is shown for a S2, but most steps are the same for other mo ...more

In the battle for best stock Android flagships, there are really only two choices: Google Pixel phones and OnePlus phones. Although the latter isn't true stock Android, it is impressively close and usually paired with more impressive hardware than the Pixel lineup. The latest ...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

Lost among the latest laptops, smart assistants, VR headsets, and Motorola-branded gadgets that it brought to CES 2018, Lenovo has also introduced a new pair of augmented reality smartglasses. While Lenovo could be credited with the first true consumer AR headset by way of th ...more