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
Today's Tech shows you how to fix a cell phone or computer that has gotten wet or jammed. With a wet cell phone, you must act quickly or it may be permanently damaged. The first thing you should do after pulling it out of the water is to take the battery and SIM card out. Dry both of them off. If you drop it in a liquid that is not water, rinse them off quickly. If you have a vacuum cleaner handy, you can use it to suck the water off. You can also place the phone on top of your cable box. Wai...
Watch this video to learn how to unlock your Samsung phone. Power up the phone. It shows the boot logo. Take the battery out and insert T-Mobile SIM card. Turn phone on. Shows welcome. Confirm T-Mobile by dialing 611. To unlock phone: Take out the battery and SIM card. Put in an AT&T SIM card. Put the battery back into the phone. Turn on the phone. It says," wrong card". Dial *2767*3855#. The phone will reboot after 15 seconds. Screen says, "Welcome to T-Mobile". To keep service dial *7465625...
This is a recording of a class lecture on Voltage Sources. The first part describes how mechanical friction can generate voltages.
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.
This video tutorial is in the Computers & Programming category which will show you how to change the keyboard on an HP Pavilion laptop. First remove the battery and then remove the 6 screws in the battery cabinet. Now remove another screw as shown in the video. Open up the laptop and remove the panel located on top of the keyboard. Now remove the screws that hold the keyboard in place, slide out the ribbon connector and take out the keyboard. Then take the new keyboard, slide in the ribbon co...
You've got your all-new nook ready to go, and you're going to curl up in bed and read. But, then the unthinkable happens. A frozen screen! Don't panic. There's an easy fix! Just watch this video as MommyNiri shows you how to unfreeze your nook by removing the battery. You'll be reading again in no time at all!
So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of realism, if you can handle it. All it takes is a little modification and you'll be wishing you were five again. With a few simple hacks, your son and daughter will be burning rubber, jumping curbs and burying those othe...
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.
This Black Friday, there are a lot of smartphone deals. Whether you're picking up a new phone or already have one, one of the first purchases you'll want to make is a protective case. And just like nearly every other item, there's plenty of money to be saved on some great phone covers.
The Moto G7 Power is a phone that screams battery life. From its display resolution to the massive battery, it was designed for those who hate to recharge each night. But unlike other battery-focused smartphones, it comes at a price almost anyone can afford.
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.
All the Android fans out there undoubtedly remember the squeeze gestures introduced with the HTC U11. Google continued the trend by bringing the gestures to the Pixel 2 and Pixel 2 XL. Thanks to a brand new app, you can now enable similar squeeze actions on your Galaxy S9 or S9+, and even some older Samsung phones.
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.
A top executive from Baidu's telematics division believes the company will become the word leader in driverless by 2020, according to a report in today's South China Morning Post.
On Thursday morning, May 28th, Google announced an upcoming version of Android—and within a few hours, a preview build of this so-called "Android M" release was made available to select Nexus devices.
Can't decide between the Galaxy S4 or the Galaxy Note 2? There are advantages to both the Galaxy S4 or the Note 2, it all boils down to what your needs are such as screen size, battery life, and more.
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.
If you haven't already tried it, go ahead and do the French braid twist hairstyle, but in order to do that hairdo, you'll first need to know the basics of French braiding your hair. This video will show you the simple steps to the French braid, which is one of the most popular braided hairstyles in the world.
Blogger is Google's blogging platform and this video shows how to signup, create, setup and start blogging on Blogger. You are given a run-through of going to blogger.com and signing up to create a blog, creating your account, naming your blog, selecting your template and finally creating the blog. After that you can go ahead and create your first post, format it, preview it and finally after everything is complete publish it on the web for everyone to see!
Having problems with subtraction. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like subtraction. Check out this math video tutorial to learn how to perform mental subtraction for math class.
Achieve your goals by breaking them down into bite-sized pieces, and use digital shortcuts to track your steps towards success.
