This video demonstrates the relationship between electricity and magnetism and shows how to construct an electromagnet using a 4 inch iron nail, 5 meters of copper wire and a 1.5 volt AA battery. Electromagnetism was discovered by the Danish scientist Oersted. Electromagnetism is the science behind electric motors, solenoids, speakers and electromagnets.
In this video tutorial, viewers learn how to replace and install a programmable thermostat. The materials required for this project are: a screwdriver, masking tape, marking pencil and batteries. Begin by turning off the power of the furnace. Then remove the face of the old thermostat and detach the labeled wires. Now remove the wall plate. Then mount the plate of the new unit and connect the wires to the corresponding codes. Finish by inserting batteries, placing the face plate on the wall p...
In this tutorial, we learn how to take apart an iPod Nano 3rd generation for repair. First remove the back casing using a guitar pick. Next, use a flat tool to lift up the battery carefully and remove it from the casing. You will see three wires that lead to the launch board, which are soldered into place. Now, use the flat tool to remove the back of the battery casing from the device. Now, remove the logic board by removing the 6 small screws inside of it. Next you will remove the LCD by lif...
Learn how to operate the latest Blackberry 8330 in simple steps. Follow the steps below to overview the Blackberry 8330: 1. First switch on your Blackberry by pressing the power button on its top. 2. Use the 'Trackball' to navigate around the menu options and press it to select an option. 3. The 'Send' can be used to call a contact, the 'Menu' key opens a list of options, then the 'Escape' key is used to end an application and the 'End' key is used to end a call. 4. You can find on the left s...
VieDo expert Alan Puccinelli shows us how to make your own battery with a simple lemon. You might think it's impossible, but if you follow the instructions in this tutorial, you will find out that it is actually really simple. The video gives you a lot of information about electricity and about the way this lemon provides energy, so you will easily understand not only how to do it, but how does it work. Even though it's a very interesting experiment, such a lemon only gives you about one volt...
Ever been stuck on the side of the road with no clue how to use those jumper cables in your trunk? Chris on WatchMojo will show you how to diagnose the problem, and the safe way to hook up those jumper cables, get the battery working again, and get you on your way. This step by step instructional video will walk you through each step on jumping your car. You will need a set of jumper cables and another working car to complete the jump.
This video shows you how to easily access the hidden Motorola Droid menu and how to improve call quality. The first thing you have to do is dial and call: ##7764726 . Then, type in the SPC Password, which usually is 000000 (six 0s) and hit OK. Next, click 04.Vocode in the popped up menu and choose either EVRC or EVRC-B for the highest call quality. Tap apply. Please note that better call quality requires more battery, so the battery will go down easier. That's it! Good Luck!
In an old video posted on YouTube, about how to make a speaker in a tissue box, they got a Kleenex box, foil, motor, and battery. Of course the motor ran off the battery and it made a sound, but there's no way to just plug in the audio jack from your Apple iPhone into the Kleenex box where it's contacts obviously aren't going to touch any electrical contacts and have it work. It's not possible.
F for FAKE. This video has been labeled a "Faux-To". Commonly contested as bogus science, we believe this video to be a hoax. What's your opinion? Comment below.
This robot is BEAM bot inspired. First we build up the Motor Drive, an excellent and cheap Robot Bot-Base. We start with the Tamiya kit, get it going, then strap on a battery and a drag wheel, center the drag wheel. Tape it all in place with bright yellow tape and make a BEAM Bot with batteries. Plans for this BEAM framework are to add smarts.
When you press the Home button on your iPhone SE, you're not quitting your current app. Instead, it stays open in the background. If an app ever bugs out on you or you don't want it to run in the background, you'll need to force-close to quit it completely. Doing so is also helpful when your app switcher gets too cluttered, and you find it hard to switch between apps because of it.
The punch hole design of the Samsung Galaxy Note 10 has challenged users to find a clear way to deal with it. Although it's less intrusive than a notch, if left unaccounted for, it can be just as much of an eyesore. One of the more creative ways we've found is to use as a battery indicator.
Lots of Google apps are getting dark mode. Google Drive has had it on Android 10 for a few months. But it hasn't been accessible to all Android users until now. With the latest update, there's a manual dark mode switch you can turn on regardless of what OS version you have.
Just because augmented reality is the technology of the future doesn't mean it can't reach into the past of computing.
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 device is jailbroken, you can even automate Low Power Mode to ensure your battery never dips to critical levels while out and about.
The ongoing war between Apple and Samsung fans will rage on once again. With the release of the iPhone XS Max, Apple has presented a stronger adversary for the Samsung Galaxy Note 9, released earlier. Both stack up well against each other, providing two of the best experiences on their respective operating systems.
After years of struggling, it appears BlackBerry has finally figured out how to update its iconic design for modern times. The BlackBerry KEY2 pays homage to past devices such as the Bold 9000 while adapting to modern times with the Android OS. The result is a device that might be the best BlackBerry to date.
With the Galaxy S9 finally making its debut, flagship season is officially underway. But even though Samsung's latest offerings are the newest phones out there, they already face some stiff competition — namely, the LG V30.
A 5-year-old girl was injured after the battery in another Samsung phone exploded in China. The Samsung Note 4 was reportedly charging next to the sleeping girl when it blew up in her Guizhou-based home.
Samsung's latest flagship devices, the Galaxy S7 and S7 Edge, as well as the Note7, have a useful feature called "Always On Display." With this one enabled, the clock and some other information will continue to be shown on the screen, even when you lock your phone or turn your screen off.
Lenovo announced at Tech World '16 a slew of new products, and one of them aims to upend the smartphone accessory ecosystem: Moto Mods. Moto Mods are proprietary modular add-ons developed for two new Motorola phones that were also announced in the keynote, the Moto Z and Moto Z Force. Sixteen magnetic nodes align the bottom back of the phones that connect and hold accessories, forming a case appearance. The nodes transfer both data and power at high speeds, a fact that Lenovo hammered home wi...
Innotek, an LG subsidiary, announced today (link is in Korean) that it has developed a 15-watt wireless charging module that can recharge a battery three times faster than other wireless chargers available on the market.
Sony announced that it is releasing its flagship Xperia Z5 and Z5 Compact handsets to the United States on February 7th, a first for these flagship devices.
Android 6.0 Marshmallow is bringing in lots of changes to our favorite smartphone operating system, ranging from battery-saving tweaks like Doze to a Now on Tap feature that essentially bakes Google right into every app on your phone. But for folks that like to tweak the interface of their device, a new hidden menu might be the most exciting addition of them all.
If your iPhone can't last a full day without being recharged multiple times, something's wrong—but it might just be working harder than it needs to.
The prevalence of smartphones has had profound effects on how we communicate, view media, and preserve memories, among other things. But all of these new forms of doing things are snatched away from us as soon as our phones lose power. While work is constantly being done to stretch and extend battery life, it hasn't moved fast enough for the vast majority of us.
When you're not using your phone, it doesn't make much sense that it would be wasting power by maintaining an internet connection for the inside of your pocket or purse. Well, perhaps you need a little bit of intermittent data here and there so that apps can update themselves in the background and still post notifications, but it doesn't need to be constant.
It's been over two whole years since the Samsung Galaxy S3 was released, so let's face it—our beloved GS3, once an iconic heavyweight in the tech arena, is almost as washed up as Sylvester Stallone.
Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charge, and charge? Well, there's actually plenty that you can do. You can manage your notifications better, keep your screen brightness low, and kill apps running in the background. Or, you could just optimize your battery t...
Obviously, millionaires like me don't really have to worry about an empty wallet, but for the rest of you out there, having no cash when it comes time to paying a bill can be excruciatingly embarrassing.
Live wallpapers are part of what make Android's features so unique and wonderful, making your homescreens come alive and much more interesting. The wallpapers are extremely customizable and interactive, many times sensitive to swipes, finger-tapping, and other multi-touch gestures—Ditalix being one of the frontrunner apps in the field. The only problem with these live wallpapers is the toll it takes on the device's battery. While not all live wallpapers kill the battery, there are many of the...
The cell phone has come a long way. The very first "mobile devices" were made and used by the military in the late 1930s, with the first commercial mobile telephone service introduced by Bell in 1946. These devices were hardly what we'd call mobile today—some took up the whole trunk of a car, and others had to be carried on your back in a heavy bag.
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 laser. Passion fruit, or Lilikoi as it's called in Hawaii, is usually over-abundant in Maui, so Ryan decided to put it to good use. Using anodized bolts, copper pipe, wire, switches, and some LEDs, he built a battery that c...
What if you could have a secret hard drive connected to your computer that only you could activate? You can! Samimy shows you how to hack a remote controlled toy car and make a super secret hard disk drive in your computer, accessed via a secret activation key. This hidden emergency HDD can only be controlled by your key, regardless of how many people use your computer.
With portable devices being a necessity in modern everyday life, they may be subject to overuse, improper charging, or normal wear and tear. For those people who carry around their smartphone or iPod with them all of the time, how many times have you been out and about just to have your portable device die on you?
In this tutorial, we learn how to make a somersaulting robot. You will need: a gear box, 1.5 v DC motor, battery holder for AA, and a few gem clips. First, glue the gear box onto the battery holder and then glue the motor shaft in. Next, glue the gem clip on the pistons of the gear box. From here, add a broken eraser to the gem clips. Next, add another jumbo gem clip to the motor and you will get to play with it! This is a fun little robot to play with, enjoy using it and making it do tricks!
In this tutorial, we learn how to make Splinter Cell prop goggles. You will need: goggles, a saw, pipe, a brush, black paint, duct tape, batteries, chop sticks, glue, a ruler, and a pen. First, mark three cuts on the pipe to 3 cm and 5.5 cm. Now, use the saw to cut these. Then, use sandpaper to smooth all the edges. Next, place these onto the goggles and glue them with a hot glue gun. Next, grab two batteries and wrap them in duct tape. Place these with them and then paint these all black. Af...
This video tutorial belongs to the Electronics category which is going to show you how to reset the Blackberry Bold 9000 / 9700 with three methods. In the first method you hold down the Alt key, the Caps lock key and hit Delete. Your Blackberry will start resetting. This process will take about 2 minutes to complete. The second method is the double reset. Hold down the Alt key, the Caps lock key and hit Delete twice. This method is helpful if your Blackberry is frozen. The third method is cal...
Want to make a simple electric motor at home? Andy and Mike show you how in just a few easy steps, using a block of wood, two paperclips, a AA battery, some insulated copper wire, and a magnet. This is a fun and simple science experiment that anyone can do at home. Wrap the wire seven times into a circular coil, with the enamel stripped off at both ends. Place the battery between the two paperclips, which serve as conductors and also hold the coil in place. Place the magnet below and between ...
Alishanmao demonstrates on a Honey Bee King 3, how to change the pitch and speed. Using the radio knob in the controller you can change the pitch of the main rotor. Make sure your 3D switch is off, that your throttle is at zero, and after connecting the battery, do not move the battery until you here it beep to confirm it is ready. When pitch is at its minimum you will have less rotation speed and at its maximum you will have a higher rotation speed. The best thing to do is to try and find a ...
