Turn yourself into an electromagnetism maestro with one of the simplest motors known to man—the homopolar motor. It's the "simplest motor" because of its absent polarity change. The magnetic field does not change the direction or strength. It consists of only three parts; copper wire, round magnet and battery. It produces really low voltages, which means there's no real practical application for this motor, but it sure is fun to make! Try your hands at the homopolar motor—watch the video and ...
The iOS 16 update for iPhone has many new and exciting options, most of which improve the user experience overall. Some of the features and changes fix frustrating issues from iOS 15 and older, and some of those "fixes" can seem annoying if you're used to doing things a certain way.
The battery on your iPhone can go from 10% to completely dead in a matter of minutes, or at least it can feel that way. Apple does prepare you with an alert when you hit the 20% and 10% mark, but it's easy to forget to charge your iPhone before it dies even with those notifications. That's why you should also be notified when your battery's down to 5% remaining.
Battery management is a never-ending struggle. To be on the safe side, you likely won't want to leave your home with less than 100% battery, but continually checking your charging iPhone is a hassle. Instead of continuously monitoring your battery's power level, have your iPhone tell you when it's reached a full charge.
No doubt, you've heard a lot about 5G lately. This might have you looking at your current 4G phone and lamenting your inability to connect to the faster network. But is 5G worth buying a new phone over, and should you buy one right now?
For Android smartphones, the latest craze is high refresh rate displays, and many popular flagships have them. But until now, there has been no way to confirm it is, in fact, running at higher hertz besides a menu option. Android 11 changes this.
If you're one of the many professionals transitioning to working from home amidst the current pandemic, there's a good chance you're now realizing how far behind your at-home setup is compared to what you had at the office.
Samsung decided to jump into the foldable category early, announcing the Galaxy Fold in February 2019. After a major hiccup, Samsung released the phone four months later to praise. But Samsung's not finished with foldables, as the new Galaxy Z Flip is just on the horizon.
Once again, LG is mixing up its launch. Instead of the announcing the latest entry in G series later in the year, the LG G8 ThinQ was announced at Mobile World Congress 2019, shortly after Samsung's Galaxy S10 event. And instead of trying to match what other OEMs are doing, LG is once again trying to be different.
With Apple releasing the iPhone XR, it appears Samsung is looking to challenge this "budget flagship" option head-on. They brought their usual two phone releases this year, but also threw in another three for a total of five phones, including the Samsung Galaxy S10e. And for many, this might be the option to look at.
The Galaxy S10 has finally been revealed to the masses, and it certainly doesn't disappoint. As the flagship to herald the tenth anniversary of the venerable Galaxy S line, the S10 has kept popular and familiar design elements like the immersive Infinity Display while employing new features like more advanced cameras to set a new standard for other OEMs to follow.
In 2017, Google introduced a new feature called Fast Pair. This made discovering and pairing Bluetooth devices completely stress-free, as it eliminated the need to fumble through settings. Google has now made it even easier, so Fast Pair is a must-have feature for your next headphones.
With every new Android update, hidden features are lurking under the surface. Google hides these options to prevent unnecessary tinkering by average users, leaving them in place for power users to discover. These secrets range from silly to really useful, with the latter opening up new ways to manage your phone.
You can view battery information in the Today View, you already know what carrier services you, and you can quickly figure out with normal use whether your display orientation is locked, so what do you need the status bar at the top of your iPhone? If you don't find much use for it and would like to see more of your wallpaper, there's a way you can get rid of it for good.
With so many Chromecast-powered devices available, chances are, you're near something with casting abilities right now. Whether it's Android TV, Google Home, or any one of the various gadgets with Chromecast built-in, you can use a more powerful speaker to play media from your smartphone. The only caveat is that the app you're streaming from needs to support Google Cast, but thankfully, Tidal does.
Have you ever been listening to the radio and a song comes on that you can't identify? But you're driving, so you can't open your phone and use your favorite app to find the song's name. Well, with a feature called "Now Playing" on Pixel phones, Google has solved this problem.
Most newer phones come with a grayscale mode that you can activate when you want to save some battery life. The way it works is simple: If your graphics chip only has to render elements in black and white instead of full 32-bit color, it won't consume as much power.
Well, get ready to have your battery depleted if you use Google Photos. The backup app has just removed the "Backup While Charging" feature in their app.
Lenovo, the company that now owns Motorola, just announced two new entries in their wildly successful midrange Moto G series. The Moto G5, and its bigger brother, the Moto G5 Plus, were both shown off in detail at Mobile World Congress 2017 in Barcelona, Spain.
Video chatting has become an important factor in the overall smartphone experience. Even just a few years ago, 37% of teens were making video calls on a regular basis, and that number has surely grown. 85% of households with infants have used video chat apps to call relatives in other cities, and it's been shown that toddlers can create bonds and learn from visual cues in video calls.
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?
Performance boosters generally get a bad rap, but that doesn't mean they should all be dismissed—particularly when they're as well thought out as the latest work from developer Danijel Markov. After recognizing a few inefficiencies in the way Android handles memory management and other system-level functions, he created a flashable ZIP that will apply many fixes in one fell swoop.
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.
Getting a good night's sleep is critical to maintain good health, a better mood, and clear your mind for whatever the day has planned for you. But in practice, whether you're tired or not, the world has a way of preventing it, either through your partner's snoring, your neighbor's music, or the road construction going on right by your bedroom window. It can get rough.
The Galaxy S5 comes with an awesome feature for those times when you're running low on battery life with no charger in sight. Ultra Power-Saving Mode allows you to cut back on non-vital services and convert your phone's display into a juice-saving grayscale mode to greatly extend that last bit of charge.
Screen mirroring was a long-awaited feature for the Chromecast, now available for select devices (and even more with root). While great news for those who couldn't wait to play games, watch movies, and browse pictures on a big screen, it did mean that you had to keep your device's screen on the entire time it was being mirrored.
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.
The status bar is where we get all of the important need-to-know information for our phones. At a quick glance, you can see what time it is on your Samsung Galaxy S3, how much battery power you have remaining, your current signal strength, and more. But after a while, things can feel a little stale up there.
Jailbreak your iOS 4.2.1, 4.2 or 4.1 mobile device with Redsn0w 0.9.6b4! One catch: If you're using an iPhone 4, 3GS (new boot ROM), iPad, iPod Touch 3g or 4g, this will be a tethered jailbreak. That is, you'll need to rejailbreak your iOS device every time your battery dies. Which is a bummer. But, hey, jailbroken iPhone/iPod/iPad!
Tired of your old front entry doorknob? Get rid of it in lieu of something a little classier (and safer). A handleset is the perfect way to make your front door stand out, and this video will show you how to install one— specifically, Schlage Plymouth Handleset. You'll need a phillips head screwdriver, tape measure, battery drill, 3/8" drill bit and a Sharpie or other marking device. To see how to install the matching deadbolt, click here.
This video tutorial is in the Electronics category which will show you how to make a Beetlebot from your parts bin. The Beetlebot project can be found in Make Volume 12. You will need a couple of small motors, 2 momentary switches, 2 AA battery holders, a piece of metal, a small bead, 2 paper clips, heat ring tubing and a couple of connectors. Cut off two pieces of the tubing and using a soldering iron melt them over the ends of the motors. Hot glue the 2 momentary switches at an angle with t...
In this tutorial, we learn how to operate the solar powered vent system in a 2010 Prius. Prius models that come with a moon roof also have a solar powered roof. The control switch is on the left hand side of the steering wheel. With the ignition on and the switch turned on, you can exit and allow the ventilation system to start to clean the air out of the car. Since this doesn't rely on power, it will not drain your battery. This is not only eco-friendly, it's also great for your health and c...
In this tutorial, we learn how to choose which driving mode to use in the 2010 Prius. The Prius offers four drive modes: normal, eco, power, and ev mode. To activate the mode, press the appropriate button the center console and the light will appear in the center console. Now, you can press it again to deactivate it if you no longer want it on. The Prius has a driving range of 1/2 mile and can operate at 25 mph using light throttle. If the battery needs charging or the speed exceeds 25 mph th...
In this video tutorial, viewers learn how to jump start a car. When purchasing a jumper cable, don't purchase the cheapest set. It is also not necessary to purchase the most expensive. Begin by connecting the black cable on the negative terminal of the healthy car. Then connect the positive side of the red cable to the positive terminal of the healthy car. On the dead car, connect end of the cable to the positive side of the battery again, except this time you connect the negative end to a so...
In this Computers & Programming video tutorial you will learn how to replace a keyboard for Acer Aspire One 10.1 netbook. Disconnect the netbook from the power supply and remove the battery. You can use a small flat screw driver or a razor blade for replacing the keyboard. You don't have to remove any screws. You need to unlatch three tabs; one located above the f8 key and two on either side of the keyboard. With the razor blade unlatch the tab above f8, and then the two side tabs as shown in...
Repairs Universe demonstrates how to take apart the BlackBerry Storm 2 to replace the LCD. First, flip the phone over and take out the battery, SIM card and memory card. Then, use a safe pry tool to pry off the top and bottom covers which are held on by adhesive and clips. Next, use a T-6 screwdriver, remove the size screws on the front of the device. Flip the phone over and remove two more screws. Use the pry tool to release the clips and remove the outer casing. Flip the phone over and usin...
In this tutorial, we learn how to install a replacement LCD screen on a Blackberry Pearl. First remove the cover and battery from the phone. Then, you will take a tool and remove the clips from the left and right side of the back to remove the bottom. You will now find two more screws that need to be removed from the phone that are on the top. Once done, you will nee to pry open the top and bottom of the phone and take it apart. You can now remove the motherboard from the casing which is wher...
If you don't want to spend an extra $130 to get 3G for your iPad, you can use the app MyWi to tether your iPhone's 3G connection to your iPad. This video shows you the easy way to tether your iPhone's 3G or EDGE Data Connection to your iPad, or any other Wi-Fi enabled device. So skip paying the extra dough and get a 3G connection for free! Be careful, as this can drain your iPad's battery!
You can add full iso roms on your PSP to play on the go, for free! This video will demonstrate exactly how to download and enter full free PSP games onto our handheld.
In this home scientist video the instructor Robert Bruce talks about cheap sulfuric acid. He says that sulfuric acid is very important in any lab both as a reagent and a precursor for preparing other chemicals. He points to the battery acid saying that it is a good source of sulfuric acid which is 35% concentrated. Now he shows various methods to obtained sulfuric acid and shows how to test one of the thus obtained sulfuric acid for its concentration. In this video the author talks about sulf...
