In order to make manganese dioxide electrodes, you're going to need cobalt nitrate and manganese nitrate to do it. Making cobalt nitrate is fairly easy, but making the manganese nitrate is a little more complicated. But not impossible.
Kipkay's ingenuity is enough to amaze us all, especially all of you indie filmmakers. These five tips for aspiring filmmakers will help you keep your sanity and avoid frustrating times. Have you ever got stuck in the rain while shooting? Have your recorder tapes ever gotten disorganized? Is your camera's display getting scratched up more than you want? Kipkay answers all of these questions with his five ingenious video tips.
If you just got some banging new subs for the trunk of your car, then you're just about ready for the ultimate car stereo. But what kind of amp are you going to get to power those subwoofer speakers? Learn about the basics of car amplifiers in this video from Sonic Electronix, where they discusses the purpose of a car amplifier, as well as the parts of the amplifier. This includes the terminals, adjustments, types of amplifiers, and amplifier channels. Before putting together your first after...
This is chemistry at its best! Europium is the chemical element (Eu) which was named after Europe. Dysprosium (Dy) is a rare earth element of a metallic silver luster. Watch this science video tutorial from Nurd Rage on how to make europium and dysprosium nitrate salts with Dr. Lithium.
Do you remember "The Heist" from episode 21? Well, the sequel is even more unfair than the original! Check out this video if you want to stump people with a trick called "The Heist II." For this trick, you need only a few simple supplies: a match, a cup, and a nickel.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
Mr. Shane Benedict describes the delicate balances necessary to hit that perfect boof every danged time.
This two-part video tutorial is for beginner puzzlers who are getting more advanced in their speedsolving of the Rubik's Cube. When solving the Rubiks Cube, there are these mathematical equations called algorithms, which I'm sure you already know. With an endless supply of them out there for this puzzle, how can you possibly remember them all? By watching videos, that's how. This one will help teach you how to solve the Rubik's Cube with the 2-Look PLL method. What is a PLL? The Permutation o...
This video tutorial is for beginner puzzlers who are getting more advanced in their speedsolving of the Rubik's Cube. When solving the Rubiks Cube, there are these mathematical equations called algorithms, which I'm sure you already know. With an endless supply of them out there for this puzzle, how can you possibly remember them all? By watching videos, that's how. This one will help teach you how to use the ZBF2L algorithms to solve the Rubik's Cube. What is the ZBF2L? It's the ZB Method of...
Okay, you've got all of your feed wires set up on your model railway track, now what? Ballasting. Check out this video tutorial to see how to ballast your model railroad track.
Are your hobbies building model trains? Well, I hope you are building your own model sets the way you want to, but if you're stumped in the model railroading process, check out this nine-part video tutorial to see how to model railroad scenery using extruded foam. If you aren't into miniature rail transport systems, you will be now. Your landscape has to look good for your trains, doesn't it?
One of my favorite iOS hacks is Type to Siri. This lets you type your queries to the iPhone digital assistant without needing to use your voice. Unfortunately, Type to Siri replaces the typical Siri voice prompt on the Home or Side button, meaning you need to choose between one or the other. That is, until iOS 13.
Sometimes, you'll see a comment on Instagram that you really need to share. Maybe it's something funny, possibly offensive. Whatever the case, the only thing to do is screenshot it and share that, right? Hopefully, not for long. Instagram is currently testing a feature that would allow you to share comments with others via a direct message and maybe even to stories and other apps.
During a recent press event, Corning revealed the latest generation of Gorilla Glass, aptly named Gorilla Glass 6. While the focus at the event was on the improvements to its scratch and impact resistance, Corning also revealed some exciting prototypes which change the textures of the glass.
There may be many third-party file managers for Android to choose from, but until now, Google offered no proprietary option. Enter 'Files Go,' which, while initially anticipated for December, is now available for you to try.
The iPhone X's "notch" is now possibly as notorious as Apple's decision to cut ties with the headphone jack. With that said, a cautious consensus can be made from first impressions of the X that the notch isn't all that bad. Still, one problem has shown up in reviews again and again — apps are not optimized to fit the notch.
Of all the ways I thought I'd be watching my favorite TV shows, on a floating orb was not one of them.
Researchers are putting driverless shuttles on campus next year at the University of Michigan and the rides are free for students and teachers.
Volvo is joining the autonomous vehicle race. In a video released Tuesday, the company showed off its concept for a driverless garbage truck, adding themselves to a growing list of manufacturers pledging to work in the self-driving field.
It's the bane of many a tech geek's existence that the customizability of Android software cannot be combined with the sleek design of the iPhone. A new Kickstarter project titled Eye, however, is looking to change that with a new iPhone case that allows you to combine the two.
A "reliable source" divulged specs of Google's new Nexus phones made by HTC, the Sailfish and Marlin, to Android Police, who used the information to create what they believe is an accurate render of the new phones.
Sautéed mushrooms and boiled green peas simmered in creamy, spicy onion-tomato gravy. Mushroom mutter gravy is typical a North Indian gravy. It is made from onion and tomato. it is spiced up with regular spices. Just like other vegetables, these mushrooms are also healthy and nutritious, good for our body.
Just recently, Snapchat decided to implement a feature that it had long been lacking—the ability to play music and record a video at the same time. For those of us that are jailbroken, we've had this feature for some time, but now that everyone has the ability, how should you use it?
With intelligent grammar check, accurate predictive text, swipe gestures, and plenty of themes, it makes sense that Ginger Keyboard has well over a million downloads on the Google Play Store, making it one of the more popular keyboards available for Android users.
Thanks to Apple's new extensibility features in iOS 8, developers are now able to create extensions for their apps that let you perform actions in notifications, widgets, and in stock Apple apps without having to open up the specific app itself.
The fill tool will allow you to alter the appearance of objects in your web design document and can be very useful for marketing purposes. The fill tool can be used to give objects one solid color for simple designs.
With all of the advancements in the smartphone world, we can virtually use them for anything. You can use your smartphone as a mobile hotspot, an Xbox controller, a car locator, and a security camera. Heck, you can even turn it into a Swiss Army knife. And now you can even use it as a wireless mouse for your computer!
Last week, HTC released their new Droid DNA smartphone in hopes of gaining more traction in a smartphone world currently dominated by Apple and Samsung with their popular iPhone and Samsung Galaxy lines. The new Droid DNA boasts a 5-inch 1080p display—the highest resolution for any smartphone on the market. It runs Android 4.1.1 Jelly Bean with HTC Sense software, and has may other typical features, such as NFC and wireless charging.
Gerridae—you've probably seen these weird bugs gliding across the surface of the water when you're out swimming or fishing. These insects are commonly referred to as water striders, or more cleverly, Jesus bugs, for their ability to "walk on water". It's a pretty cool trick, but what could it do for science, right? Turns out, quite a bit. Photo by felixtsao
This is a pretty simple how-to, because a doorbell is a pretty simple mechanism! The difficult part is in understanding music note blocks.
If you are interested in hooking up and using a bypass tool to incorporate a methane tank in your supply gas system, watch this video and follow the instructions. This video demonstrates how you can use the Atmos meter bypass tool.
See how you can build a liquid fueled rocket with office supplies, mainly... a Sharpie magic marker and some duct tape. You'll also need some gas duster, the air cleaning can of gas. It's a pretty simple rocket to build, won't take long, and is loads of fun. Except, you'll need to keep buying canned air to propel it into the air multiple times.
Add a twist to your typical sushi eating experience. Why not try making a blue roll sushi with honey, mango, cucumber, caviar, salmon and tuna. This sweet sushi recipe is sure to delight your senses.
This pear vinaigrette dressing is a nice alternative to the typical blue cheese and Italian dressing. Watch this how to video to learn how to make it.
(Using an Eb Harmonica) A Brief overview of how to play and use the pentatonic scale in three positions/keys over a typical blues progression.
Kyran Dale shows how wxPython provides an easy way to bind user-generated events, such as choosing a menu option, to methods provided to handle them. The procedure shown is typical of all wxPython event handling so with little effort can be extended to far more complicated projects.
After awarding $410 million to the company that supplies it with VCSELs and LiDAR sensors, Apple has made another strategic investment into a company that may contribute to future augmented reality hardware innovations.
While Magic Leap doesn't yet have a consumer edition of the Magic Leap One, that hasn't stopped AT&T from building apps for mainstream audiences for the headset.
So after being teased last Christmas with an email promising that the Meta 2 was shipping, nearly a year later, we finally have one of the units that we ordered. Without a moment's hesitation, I tore the package open, set the device up, and started working with it.
Growing populations and higher temperatures put pressure on world food supplies. Naturally occurring soil bacteria may save crops in drought-stressed areas, put more land into crop production, and produce more food.
