How To : Perform electrolysis with pencil lead
See how to do electrolysis of water with graphite (lead from a pencil). The positive side has oxygen bubble, and the negative side has hydrogen bubble. Just get a 9V dry cell battery.
See how to do electrolysis of water with graphite (lead from a pencil). The positive side has oxygen bubble, and the negative side has hydrogen bubble. Just get a 9V dry cell battery.
You don't need a pricy gym membership or a personal trainer to achieve a celebrity-worthy body. In fact, all you really need to tone up at home is a yoga mat, a few good exercise videos, and some weights. After all, your own body is often more than enough to act as its own res ...more
Sandwich bags are great and all—but what should you do with them after you are done eating your sandwich? Thankfully, these waterproof and durable bags do not need to add to the landfill right away; you can reuse sandwich bags for a variety of uses ranging from DIY gloves for ...more
Is dessert your deadliest vice? Try adding even more decadence to the equation—heavy, gooey chocolate with hints of crispy bacon and smokey bourbon, AKA the calorie-rich bacon bourbon brownie. Adapted from Slash Food, this after dinner treat isn't for the faint of heart. Baco ...more
See the electrolysis of water (baking soda dissolved) with copper wire. The negative side has hydrogen bubble, and the positive side has oxygen bubble. Watch the positive side as the water turns blue.
Mixed reality filmmaking isn't a new concept. Disney managed to make it work in 1988 with Who Framed Roger Rabbit, but not without an enormous amount of work. We haven't seen many mixed reality films of that scope since, and perhaps that's because it's still hard to accomplish ...more
With GPS chips and Wi-Fi positioning systems, a modern smartphone is capable of tracking its user's location with pinpoint accuracy. This being the case, it's strange that the most common text message sent today is still "Where are you?" So if you're ready to get out of the s ...more
You love your iPhone and you can't live without it, but it's lacked the basic ability to cut, copy, and paste across multiple apps. With Apple's OS 3.0 upgrade, you can do it all with just a few taps. Watch this Howcast guide to learn how to cut, copy, and paste on your iPhone ...more
Harry Potter fans got a treat last week when Pottermore, a site created by Harry Potter author, J. K. Rowling, released a test that let users learn what form their Patronus protective charm would take. Does it need to be said? The internet almost exploded. Riding this new wa ...more
Lens Launcher was one of the winners of 2106's Android Experiments I/O Challenge a few months ago, and with good reason—it gives us a new way to browse for apps on our Android phones. It's slightly reminiscent of how the Apple Watch does it, but even better. Don't Miss: Use C ...more
Thanks to the Edge variants, Samsung's Galaxy S phones are just a few millimeters off in body size when compared to the Note series, and just 0.2 inches smaller when it comes to displays. Now that the two flagship models are almost identical in size—with matching curved displa ...more
Master director Steven Spielberg's virtual reality epic Ready Player One is coming to theaters in just a few weeks, but you can get an early look at some of the best parts the latest trailer, "Come With Me," which was revealed on Thursday. But while the film is supposed to be ...more
As a self-proclaimed chocoholic, any day with chocolate mousse in it is a good day in my book. And thanks to prominent chemist Hervé This, one of the founding fathers of molecular gastronomy, chocolate mousse is not only easy to make every single day—but only requires two ingr ...more
Last Thursday, on October 7th, indie game developers from around the world walked down a red carpet in Santa Monica, California in the hopes of winning an IndieCade award. We previously discussed the IndieCade festival and conference, but the award show is a smaller, more incl ...more
This video shows you how to prepare Scalloped Potatoes with Onions and Green Peppers. For this recipe you will need the following ingredients: 4-5 potatoes sliced thinly, one whole onion sliced thinly, half green pepper (chopped), flour, salt, olive oil spray, pepper, Parmesan ...more
Ok, it’s not the biggest problem in the world, but an ice bucket full of water is a not-so-subtle hint that the party’s over. Make your cubes last until the final guest has had their fill. Watch this Howcast video to learn how to keep ice cubes frozen longer. You will need boi ...more
Facebook is finally pushing out the latest version of its Messenger app for Android, complete with a new Material Design user interface. Messenger's new look.. It's a little cleaner than the old version.. The update, which has been in the works for a while, gives Messenger a ...more
The latest iPhone update introduces big features like Live Activities and Clean Energy Charging, but those aren't the only things you'll notice different on iOS 16.1. If you build your own shortcuts in the Shortcuts app, there are a few things you'll definitely want to know ab ...more
There's a lot of talk about 5G these days. You might even think your iPhone is 5G-ready, since, well, it says so right in the status bar. 5G E, right? Sorry to burst your bubble, but no iPhone is capable of connecting to 5G networks yet, no matter how much you pay for that 11 ...more
I use the Accessibility Shortcut on my iPhone practically every day, whether it's to dim the screen below the standard threshold, keep my child confined to a specific app, or open up the simulated magnifying glass. But with iOS 15, there are at least three more things I can us ...more
Some people hate wallpaper, but some people love it inside their homes. Those that do will eventually have to deal with wallpaper that will lose it's attachment. It will eventually bubble and curl. Curling wallpaper seams ruin the decorative effect of wallpaper. Eliminate the ...more
Let's say you're hanging a picture frame, and it doesn't look quite right. Sure, you could grab a spirit or bubble level, but maybe it's in another room or buried in a toolbox somewhere. Maybe you're away from home, away from your tools. As it turns out, you almost always have ...more
Not long ago, connecting your iPhone to Bluetooth devices was a true pain in the neck. Control Center's AirPlay button made connecting to certain devices much easier, but it was with iOS 13 that Apple finally made connecting to wireless acceessories like AirPods, speakers, and ...more
Using the overview screen (aka recent apps) is a simple way to jump back to a previous task to continue where you left off, but as you use more and more apps, jumping back to that initial task isn't really that "recent" with all of those new tasks stacked on top of it. Now, th ...more
When words aren't enough, emojis are there to help. Your iPhone has almost two thousand of them for you to communicate in a more lively manner or to express indifference, excitement, joy, and other emotional states. However, the more emojis that come out, the more difficult it ...more
No crème brûlée is worth its custard without the crackled, caramelized crust it's famous for. For this reason alone, many cooks have a brûlée torch sitting somewhere in their cabinets. But the brûlée torch is much more versatile than people think. It provides a unique way of ...more
We've seen lots of methods of CD/DVD scratch removal here on WonderHowTo- bananas, toothpaste, even eggs. Now Instructables member gpotvin suggests another method to throw in the mix: vaseline. No reason to throw away those damaged CDs! Save 'em - it's as easy as Step 1, 2, 3. ...more
Why do you need augmented reality? Because enterprise, they say. And while that's certainly true for several disciplines, there's still that mainstream use case hanging out there waiting for users to discover beyond the realm of enterprise and gaming. After much thought — and ...more
Wowee, origami artist Mui-Ling Teh has the skills of a DaVinci Robot. To view more of her work, check out her artist profile on Red Bubble. Inspired? Scroll all the way down for a demonstration on the folding of a teeny, tiny origami crane. Video: Fold a tiny origami paper crane.
When chocolate cravings strike, indulgent fudge makes everything in the world right again. And while plain fudge will do the job just fine, add-ins like walnuts and Oreos elevate this dessert to new levels. Traditional fudge recipes require patience and hands-on cooking via s ...more
A trigger point is a group of knots in your muscles. When using a trigger point release you use firm pressure and have the person inhale and then slowly exhale. That allows the muscles to contract when they inhale and then relax as they exhale through their mouths. As they rel ...more
The nemesis of music streamers is data caps, cell phone or otherwise. Restricting monthly data and forcing users to decide between quantity and quality of music has had audiophiles tearing their hair out since streaming toppled the iPod. While the problem regarding music quali ...more
You see it in the movies all the time. A character on the phone doesn't like what the other person is saying or telling them to do, or they just don't want to talk to them anymore, so they fake bad reception and cut the call off. In real life, it's pretty easy to tell when som ...more
It's the newest craze to hit the web and it's called "tarp surfing". Somehow it is out and out ingenious. Simple and infectiously fun (for some reason, the resourceful silliness of it is right on par with CD-R bubble blowing). I'm gathering up a skateboard, friend, tarp... le ...more
Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more
The Australian government has a dysfunctional history with video games. Any regular Yahtzee Croshaw follower can attest to that. The Parliament has established a series of unfortuante regulations that make games both highly taxed and overregulated in price. Bringing any goods ...more
Hydrazine sulfate has many uses, but most notably, it's been used under the trade name of Sehydrin, a treatment for anorexia, cachexia and some even think cancer. But for we DIY chemists, it's useful for something entirely different— as a substitute for the more dangerous pure ...more
This Adobe Illustrator tutorial demonstrates the basic shape modes in path finder (add, subtract, intersect, and exclude), and shows how to use the direct selection tool and expand features of Illustrator. Finally, a bubble box is created (for the Yahoo Map project) with the a ...more
I've had a thing against bananas ever since Mario Kart; not only do I believe it's the worst weapon in the game, but it's also a very funny-looking food. Nevertheless, bananas are a great source of potassium, and I can't overlook that. But bananas are fragile, so you have to ...more
Looking to make the perfect steak dinner but not sure about the details yet? Steal this recipe for steak with stilton & mushroom sauce to create a dinner that is sure to make stomach's happy. To make this meal you will need about twenty-five minutes and the following ingredien ...more
The biggest update to arrive since iOS 18 and iPadOS 18 just came out, and it's packed with new features and changes for your iPhone or iPad. From new Apple Intelligence capabilities to Game Center improvements and new calling tools, there's a lot going on in iOS 18.1 and iPad ...more
Tons of iPhone 5 users with Verizon Wireless hit the message boards last week complaining about their phones sucking down massive amounts of cellular data when they were actually using a Wi-Fi connection. Of course, that means Verizon customers could have been getting charged ...more
During a meeting in real life, you could ask non-essentials to exit the room temporarily so that you can speak to just a few privately, but now that conferences exist online, it requires a bit more finesse. You could start a new video call on Zoom or remove individual particip ...more
I've possibly been really out of it for a long time not to have realized that Instagram has a bunch of hidden filters. Clarendon seems to be by number one filter for pics and videos, but maybe that's exactly what I've been doing wrong. To access these wonderful secret filters ...more
We'd never complain about eating cake - red velvet, bourbon vanilla, gold old chocolate - but we absolutely burst our bubble when our favorite sweet goodies come wrapped in even sweeter packages. Take this lady bug shaped smash cake, for instance. Covered with a layer of red ...more
While some people might like Thanksgiving because of the food, seeing family, or another wholesome reason, many of us also enjoy saving big on the items we've been eyeing all year. Take iPhone cases, for example. Speck, Insignia, even Apple all make cases that can put a dent i ...more
We can't resist a good peanut butter cup—especially when it's homemade. But it's not just the peanut butter or the chocolate that makes us pledge our undying love to these sweet treats over and over again. Nope. What really drives us wild about them is their shape. Yup: we lov ...more
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. Watch this science video tutorial from N ...more
Update: The new Galaxy phones are now official! Check out all the details on the Galaxy S10 and S10+ or the Galaxy S10e. The Galaxy S9 didn't even hit shelves before fans were already musing about its followup. It's no secret Samsung's newest device, as impressive as it is, i ...more
This video shows how sublimation works. The instructor shows how to mix bubbled water, ice water and dry ice to create dry ice smoke. He is essentially making a hand made fog machine. This task must be done carefully because if the solution is isolated and concealed it will bu ...more
Okay, so just to be clear, this is not a crochet tutorial for crocheting a stitch that resembles your new Blackberry Pearl (though, admittedly, that would be pretty damn awesome). Rather, this is a tutorial for crocheting a sort of stitch that resembles a literal blackberry. ...more
When you're expecting an important call or text, it's pretty annoying to hear or feel your phone go off just to find out it was your reminders app telling you that you need to buy more contact lenses. Not quite as annoying as phantom phone vibrations, but it's up there. Remin ...more
People say that money makes the world go 'round. And it's no different in the world of augmented reality. If there are any doubts about the future of the AR industry, it doesn't seem like many venture capitalists or corporate investors share those doubts. According to Digi-Ca ...more
If your iPhone's home screen is littered with apps in no discernible order, and you rely on muscle memory to locate one when you need it, it gets harder with each new app icon added. Folders can help organize the mess, but you can also create your very own app picker or group ...more
The iPhone is great for a lot of reasons, but one fault it may have is the keyboard and the ability to type. It's hard enough to actually type emails and notes on the small keyboard, but when auto-correction thinks it knows more about what you're writing than you do, it could ...more
There are endless deep-fried recipes for disaster (re: heart attack), but this one takes the cake. Abel Gonzales Jr., the inventor of fried Coke and fried cookie dough, presents deep-fried butter, which tastes like a “a mix between a biscuit or a croissant that is just stuffed ...more
No one ever gets tired of making little explosions by adding vinegar and baking soda. In this video, you'll make a sandwich bomb in a sandwich bag and watch as the contents bubble, brew and explode. Mmmm lunch is ready!
This drawing lesson from Merrill is split up into three parts, each one focusing on a different view on the human ear. If you've ever had trouble sketching the human ear in the past, these videos should clear things up for you. You'll learn the three most basic views— 1) 3/4 v ...more
I noticed the neon yellow sign at the new location of Pho Bar in Chinatown right away. The sweeping cursive yellow letters spell out "Crazy Rich Broth"; the same phrase printed on the back of servers' shirts. It's the kind of minimalist but colorful design feature that is espe ...more
Android has plenty of features that provide multitasking support, which are especially useful on smartphones with larger screens. One such feature that I loved on the Samsung Galaxy Note 2 was the popup browser, which brought up a floating window whenever I opened a link insid ...more