Modern smartphones are packed to the brim with low-power sensors like accelerometers and gyroscopes, which means they're capable of precisely measuring almost any type of movement. So why is it that when you just want to get walking directions somewhere, your device still uses its battery-sucking GPS connection to track your progress?
Ever been in an argument, only to have the other person cop out by saying "I never said that," when you know full well they did? Or how about one of those times when you're sitting in the lecture hall, half dozing off to your professor's monotone ramblings, when your ears perk up because they somehow know you missed something important that was just said?
LG is set to launch its G5 handset on February 21st at the Mobile World Congress in Barcelona. This shouldn't be too much of a surprise, but images of the G5 have now been leaked ahead of the event by Evan Blass (@evleaks). This image shows that the handset will indeed have two lenses on its rear-facing camera so that you can shoot wide-angle 135º photos.
Of all the new features in Android 6.0 Marshmallow, an automatic battery-saving function called "Doze" might just be the most interesting. What it all boils down to is that if you set your phone down on a flat surface, the device uses internal sensors to detect that it's motionless and not in use, then responds by drastically scaling back battery-sucking services until the next time you pick your phone up.
Exclusive to the Samsung Galaxy S6 Edge, "Information stream" is a screen feature that lets you see quick, at-a-glance information with a simple swipe while the screen is off. It also supports plug-ins, or additional streams of information that can come from third-party sources. So developers are starting to come up with nifty little add-ons for Information stream, and the team at 3C has some cool new system feeds that might come in handy.
Contrary to what you may think, clearing or swiping away apps in the Recent Apps view on your Android device does not necessarily stop app activity or running tasks—and these running processes can actually be eating away at your battery life. Depending on the app or process, it may only be a small percentage, but every little bit helps these days.
Your Galaxy S5 is jammed to the brim with all sorts of electronic sensors. These are capable of reading humidity levels, ambient temperature, air pressure, and much more. Yet, while this data is constantly being collected by your phone, there aren't any built-in apps that are capable of displaying much of it.
Samsung catches a lot of flak for all of the "bloatware" it preinstalls on its Galaxy line of devices. Many users complain that "TouchWiz," Samsung's custom Android skin, causes lag with its overabundance of features. But some of these features can actually be pretty handy, like Multi-Window Mode or Milk Music.
How do you know if the Beats By Dre Studio headphones that you are about to buy online are genuine? Always ask the seller to use the youVerify app before you buy. Smarter Selling, Safer Shopping.
Newer smartphones are more power hungry than ever before, and the Samsung Galaxy Note 2 has a mighty appetite for amps that only Jenny Craig could possibly curb. On average, your Note 2 (or other Android device) lasts for what, a day, maybe two days before dying. Mine barely lasts 8 hours! This is thanks to all of the apps running in the background of your phone, even when you're not using them, eating through all of your CPU, leaving nothing but crumbs.
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 gorgeous long exposure photos. For the apple tree photo, Charland got about 5 volts for every 10 apples, so he had to wire 300 apples to power the lamp for several hours. He used a zinc-coated galvanized nail and copper wire...
If you ride your bike at night frequently, you've probably had at least one close call with a car, pedestrian, or some other moving obstacle because of reduced visibility. Not only is it dangerous to ride at night without lights, it's illegal in a lot of places. Make sure no one can miss you with these DIY handlebar lights from Becky Stern at Adafruit. What You'll Need
Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by watching this video and checking out the circuit diagram here.
You have to be careful not to accidentally sew in a short circuit when you are working with connective thread. This tutorial shows you how to sew in a connection to an arduino, a buzzer and a battery on a glove.
Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with an emphasis on what you need to do to complete this process safely.
When the screen is dark, your iPhone is still checking e-mail. Watch this electronics video tutorial to learn how to really turn off your iPhone. This will help conserve the battery, and this how-to video will give you tips on how to make sure your iPhone is really off. This video is perfect for new iPhone owners.
If you're a geek, then this power pack will give you a total techgasm. The power pack allows you to charge pretty much anything you can fit into a 12 volt power jack in your car (where the cigar/lighter receptable goes). The power pack is a portable battery, so no need for charging your gadgets - like your cell phone - at home first before you head off to work.
Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, battery pack and a solar cell.
Light up your world with these beautiful and easy-to-make illuminated LED balloons. You will need:
Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO generator, watch this how-to video.
TOUCHPAD HACK - This video tutorial shows how to transform a touchpad into a useful mini graphics tablet with some simple, everyday items. You will need a 1.5V battery, a small ball bearing, and a Philips head screwdriver. Watch this video tutorial and learn how to transform a touch pad into a miniature graphics tablet.
This confectionery hacking how-to video demonstrates that, with an electric motor, juice lids, battery and sugar, you can make your own cotton candy machine. Don't wait for a carnival or fair to get your next taste of sweet, sweet cotton candy. Watch this video tutorial to see this hack in action and to learn how to build your own bottle-cap candy floss machine.
This how-to video shows how to build your own electric motorcycle; a nice way to change from gas to batteries to save the environment. There is lots of welding, but the key to welding is dropping the piece and checking if it stays together. Spindles and sprockets must align and then you are set. Check out this video customization tutorial and learn how to convert a motorcycle to electric power.
Your iPhone's almost out of battery power, there's no wired or wireless charger in sight, and you left your portable power bank at home. You don't want your battery to die, but you still need to use your iPhone. This is when Low Power Mode comes in handy, but you could be wasting valuable time and power if you're activating it the wrong way.
With more and more phones using OLED displays, the need for dark mode is at the highest it's ever been. Since dark backgrounds reduce battery consumption on these displays, the Android community has been begging Google to include a system-wide dark mode. Instead, Google gave us dark mode for many of their apps, including the Phone app.
Huawei's sub-brand, Honor, just announced a pair of new smartphones to help close out the year. We knew the midrange Honor 7X was on its way, but what came as a surprise was the announcement of the Honor View 10 and its impending release in the US. Thanks to Honor, US customers will have even more choices in the flagship market with this new device.
Lenovo unveiled the latest Motorola smartphones, Moto Z and Moto Z Force, today at Tech World '16. As expected, both models include strong magnets on the back that allow users to snap on various Moto Mods attachments such as a battery pack, projector, or JBL speakers.
Amazon just unveiled the Kindle Oasis, the latest model in its popular line of e-readers. There are a couple of nice new features, but it's pretty hard to see how any of them justify the whopping $290 price tag (or $310 if you don't want ads littering your screen).
When you're actively using your phone, a certain amount of battery drain is to be expected. But, if your device is just sitting in your pocket draining its battery, that's when you need to take action.
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 break from the traditional LCD technology that requires a backlight for any pixels to be visible.
There are so many things to love about the Nexus 5, from timely updates to newer versions of Android to a terrific blend of price and specs. But while mobile phone tech keeps churning along, battery technology isn't quite up to snuff yet, and I find myself wishing that my phone's battery lasted longer on a single charge.
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.
Verizon Wireless has a data cap on the 4G LTE connection that the Motorola Droid Bionic uses to connect to the internet and download information from its apps. If you want to stop your phone from hitting these caps and causing you overage fees, you can turn off the 4G connection by looking at this guide. It will save your smartphone's battery life as well!
Kipkay shows you how to make a magic lightbulb like the magicians use. Great practical joke or prank. All you need is a couple of lightbulbs, an LED and some batteries.
In this clip, learn how to make super powerful 9 volt LED flashlights using things you most likely already have around the house. You will make these mini-lights out of things like batteries and scrap wires. So, dig around in your garage and see what you can find to get started building these useful, bright lights.
Sit back and ride as G Word correspondent David Newsom finds out the benefits of an electric bicycle. Watch and see how to convert a conventional bike to a battery-powered riding machine.
Quarters are nice and silvery. What if they looked like a big penny? This video shows you how to electroplate metal objects, using just a battery, some copper salt, copper metal, two wires, and a quarter.
Use a cell phone, batteries, CD, card, tape, and a dime to make a playing card magically jump.
OK master spy, it's time to get your lurk on. If you're going to be spying, you'll need to be able to spy at night. This video will show you how-to make your very own night vision goggles so you can keep up with your mark well after the sun goes down. You'll need a 9V battery, an infrared LED, some wire cutters, a small screw driver, and some wire with a battery clip. You can easily find your needed infrared LED in any old TV remote control. Try it, and make some home made spy gear today!
In the past, most mechanics ended up having to replace the speedometer head when a vehicle came in with a broken speedometer. Nowadays, there's a possible reset procedure that can be used, and it can be done by most car owners right at home.
