Check out this low cost project. This video will show you how to transfer sound over light! Yes, this is possible. You'll transfer a sound with a distance of 5 meters, but you may experiment on greater distances if you'd like. You'll need a laser (or an LED) for this audio project, one Opto transistor (or resistor), one 3-volt battery, two mono audio jacks, and some alligator clips. Just watch this cool electronic audio experiment and try it out yourself.
Update 1/17: Tim Cook chimed in about the upcoming iOS upgrade with expanded battery health data. We'll expand on that below.
After watching Samsung's exploding phone fiasco this past year, I took comfort knowing that the likelihood my iPhone would suddenly combust was slim. However, after hearing about a recent incident in Wisconsin, iPhone owners may have reason to worry.
Considering how the Apple Watch works as an extension to your iPhone, it would've seemed like a no-brainer to include the ability to view your iPhone's battery life from the Watch, but in true Apple fashion, they did not.
One of my favorite new additions to iOS is the ability to view battery usage stats on a per-app basis, which is helpful in knowing exactly which apps are taking up all of my iPhone's battery life. If you jailbreak iOS 8 on your device, you can take Apple's stock battery stats feature even further to give you details on how those apps are actually using the battery.
Not sold on Apple's iPhone claims of battery performance? I will show you some simple tweaks and tips to reduce that rapid battery drain and extend the use of your iphone between charges -free.
The introduction of smartphones has been what some may see as a step backwards in technology regarding batteries. The first cell phone that I had would last 3-4 days on a single charge; however, the lack of functions minimized the use that is saw.
Scars can make you feel self conscious. Luckily, there are steps we can take to reduce their appearance without surgery. So, avoid the operating room and check out this video - its full of useful tips for hiding and eliminating your scars.
Purses are an important part of any outfit but it can be difficult and expensive to keep replacing them. Take good care of your purse now and you won’t have to be shifting through the purse racks next department store sale.
In this video, we learn how to replace a laptop CMOS battery. First, turn the laptop upside down and remove the screws around the panel you need inside. Set these aside and then pry the top up with a flat screwdriver. Now you will see the CMOS battery, remove this with the tab that is on top of it. Remove the battery from the area it's at and then replace it with the new one. Make sure you place it in just how it was before. After this, replace the panel on the top and screw the screws back i...
This video shows you how to make a homopolar motor. First of all things you need to make motor are AA battery, couple of magnets and copper wire. Now take magnet and attach it to the negative end of battery, now take a copper wire and bend it to the shape shown in the video and place it over the positive end of the battery, now you will see that wire starts rotating. Now to make a stand take a small plastic lid and two pieces of rubber magnet then place magnets to both the sides of the lid an...
Isn't it annoying how fast the battery dies on your iPod or iPhone? It seems like you charge it for hours, only to have it die in half the time. Well, in this tutorial learn a few tips and tricks that will increase the battery life of your phone.
Want to get more information about the battery status of your iPhone and iPod Touch? Ever wanted a nifty little percentage display to show you exactly how much battery juice you have left? iPhone 3GS owners have this installed by default, but Apple seems to have forgotten about the rest of us. That is no reason for the rest of us to be left out though. This quick video shows you how to get that. Find out where to download this useful app, install it, and then have the battery information disp...
Learn how to properly charge your iPhone or iPod Touch in simple steps. Whenever you charge you iPhone let it charge until your battery is completely full. If you unplug in between that point will become the maximum capacity of the battery. Remember not empty you battery charge completely while using your iPhone. Don't use your computer often to charge your battery, it would be wise to use a charger. Whenever you are not using your iPhone make sure to keep it locked.
The RV Doctor, Gary Bunzer, tells us tips on how to keep RV batteries in good condition. •If you stay in camp grounds a lot or leave the couch plugged in during periods of non-use, one of the things you need to know is the boiling out the electrolyte on the auxiliary battery.
Apple has locked down the iPhone battery, which means that once it can’t hold a charge, you need to send it in. If you’d rather just buy your own battery and replace it yourself, we’ve got your hookup. Nate and I got together to film this this tutorial, which shows how to replace your iPhone battery. Heck, even if you have decided that you will never open up your iPhone on your own, we think it’s still pretty cool to see the process - so just hit play, okay?
There are plenty of jokes out there about the battery indicator on iPhones. Some people complain about their iPhones dying randomly at 11%, while others see hours of use at the 1% mark. Despite its inconsistencies, that battery percentage is a useful tell for how desperate you need a charger. There's just one problem: the icon is hiding on your iPhone 11, 11 Pro, or 11 Pro Max.
While last year's revelation that Apple slows down iPhones with aging batteries left a bad taste in users' mouths, the company's $29 battery replacement program was a step in the right direction. However, all good things must come to an end; Apple will soon shut down the program, leaving users to pay the full $79 to replace their faulty batteries.
In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight.
The Note7 fireworks bonanza was unprecedented in scope. A recent report suggests that Samsung could lose upwards of $20 billion in lost profit due to this fiasco.
When it comes to smartphones, the biggest complaint voiced by most users is battery life. Sure, it's unrealistic to expect your Android device to run for weeks without a recharge, but many folks struggle to even make it through the day without having to top off their battery.
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, there gave us something that actually matters—Low Power Mode.
With countless images and messages packed into one small device, security is always a high priority amongst iPhone users. For this reason, we've previously shown you how to make your iPhone's passcode match the current time, which made figuring out your passcode a lot more difficult for wandering eyes.
Keeping track of your phone's battery life can quickly become a chore. Since no one wants to get stuck without a charge, we constantly find ourselves checking to see exactly what percentage remains.
There were some pretty amazing things included in the Android 4.4 KitKat update, but unfortunately, most of them were left inactive on our Nexus 7 tablets. Some, like full-screen immersive mode and the hidden battery percentage status bar icon, could be enabled on rooted devices, but not everyone wants to root.
In this video, I'll be showing you how classic black snakes work and how to make them at home. There are actually two methods covered in the video — one that uses fire and one that does not. So just choose the one that fits best for your situation.
The cell phone may have replaced the pocket watch, but thanks to some clever mods and hacks, "old-fashioned" time telling is making a comeback. Smart watches that connect to your mobile device cannot only tell you what time it is, but also change the song you're listening to and let you know how many Facebook notifications are waiting for you. Frank Zhao, an electrical engineering student at the University of Waterloo, decided to do something a little different with his LED pocket watch. It h...
With Sprint already rolling out their Jelly Bean updates to Samsung Galaxy S III owners here in the United States, international users have already had a chance to check out Android's newest OS on their S3, but all is not gravy.
We've shown you how to make water change color on command, but how about just half of it? What if I told you that you can split a solution right down the middle and make the color disappear from one side, just by shining light on it?
Want to make boring old colorless water brighten up on command? Well, you can control the color of water with this little magic trick. Actually, it's not really magic, but a classic science experiment known commonly as the iodine clock reaction, which uses the reactions between water and chemicals to instantly colorize water, seemingly by command. You can use different colorless chemicals to produce different colors, and you can even make the color vanish to make the water clear again.
Do you have two dollars and a water bottle? Then you can put together this simple but awesome solar-powered lantern that will provide more than enough light to read by at night.
Want to keep an eye on how quickly you're draining your battery? Curious how much longer you can last before replacing that battery? This is just the thing.
A flashlight is one of those things you rarely need, but hardly ever have when you do. The normal-sized ones are unwieldy to carry around, and the small ones that you keep in a purse or car are easy to lose.
REQUIREMENTS: LED's,connecting wires,tip 31 transistor,battery,3.5 mm audio jack,soldering machine,soldering wire,soldering paste.
Uh-mazing...London based designer team Francesca Rosella and Ryan Genz have created a dress embroidered with 24,000 LEDs.
Battery life is a precious thing on your BlackBerry. You use your phone for all types of tasks, so you need your battery to keep up with your pace. But how? Best Buy has answers. The Best Buy Mobile team explains how you can save battery life by closing applications that are running in the background of your BlackBerry device.
It isn't a new gadget, but the EyeClops Mini Projector still makes a great stocking stuffer for Christmas Day. It's great for kids to play with, but for techies— it's sure to be something fun to hack and mod this holiday season.
If you need to replace or remove the battery, sim card, or SD card from your new Droid Bionic by Motorola, take a look at this walkthrough on how to remove the back of the case and gain access to all three pieces of the Android smartphone. Yes, you heard right. The Verizon Wireless phone does use a sim card because of its 4G connection.
Battery drain is one of the biggest issues with Android phones, but with proper power management it is possible to do something about it. Advanced Task Killer is a free app with customizable settings that shuts down apps that are no longer being utilized. This informative video takes you step by step through the different configuration settings.
The alternator in your car is a vital part of your electrical system. If your battery is draining quickly or your battery light comes on for no reason, you probably have a bad alternator. Watch this video to learn how to assess problems with the alternator and fix them yourself.
