Magnetic

In this article, I'll show you how to build a simplistic circuit to generate negative ions. Negative ions have been known to contribute to fresher air, happier mood, and general health benefits. However, they also look amazing in the dark (check out the photos below, purple pl ...more

In this article, I'll show you how to built a Wireless Transfer of Energy Transmitter. Simply put, this device will send electricity to a florescent light bulb and light it up, from up to three feet. The idea originally (at least, prominently) came from Nikola Tesla (read more ...more

It's that time a year when winter storms begin causing havoc across the United States, and when "rotating outages" are common to help sustain the electrical grid during intense cold periods. That means pretty much anybody with snow and ice in their backyard can succumb to powe ...more

Shooting a photo or video in a car can be rather difficult without a proper mount, and if you want to secure your camera outside the car, it can be just plain expensive. Luckily, there are tons of DIY camera mounts for both inside and outside your vehicle, and most of them are ...more

Arvind Gupta is an Indian educator and inventor who makes whimsical, elegant toys from simple and inexpensive materials. His site has hundreds of free project tutorials, with simply outlined instructions in the categories of science, math, astronomy and more. Below, peruse the ...more

Your iPad has a superpower that iPhone models don't and probably never will have (even though they could) — one that will make you want to take your iPad with you everywhere you go from now on. While it's not a hidden or secret feature, it has eluded many iPad owners. Most of ...more

The new iPhone 12 Pro Max is equipped with MagSafe, the iPhone 12 lineup's most talked-about feature. While Apple previously used MagSafe for its magnetic charging connectors on older MacBook models, it's given new life to it on the iPhone, and in a much better way. But can it ...more

After years of making do with a cheap knife, I finally bought a really good 8" chef's knife—a Henckels, although I was also eyeing a Global santoku. It quietly but literally changed my life. I don't have amazing knife skills, but having a great piece of equipment in my hands ...more

Apple just released its biggest update to iOS 17 yet, and there are 60 exciting new changes for your iPhone. With iOS 17.2, you get a brand new app, more Apple Music enhancements, upgrades in Messages, and a new security feature that was announced last year, as well as changes ...more

Using a passcode on your Apple Watch is a good way to keep other people out of your data, but what happens when you see that "Wrong Passcode" screen yourself? You can, of course, try again in a minute, but if you've forgotten it for good, there's still a way to get back into y ...more

The new Samsung Galaxy S4 may be the only phone to include temperature and humidity sensors, but your Galaxy Note 2 has a few weather-detecting features of its own. Firstly, it has a barometer, which measure atmospheric pressure that can help alert you to a possible nearby ra ...more

Samy Kamkar, security researcher and friend of WonderHowTo, just had one of his devices featured in Mr. Robot. If you've never heard of Samy, you've at least probably heard of one of his hacks. For instance, the Samy computer worm that hacked MySpace, his compressed air trick ...more

With the S9 and S9+ upon us, you maybe wondering if it's time to retire your aging Galaxy and either sell it or do a trade-in to get Samsung's latest flagship. Before you do, however, it's important to make sure that all its components — most notably the sensors — are working ...more

If you're getting or already have a new iPhone 12 or 12 Pro, its big-ticket feature is MagSafe, something you'll definitely want to explore. While the technology is new to iPhone, Apple used the MagSafe name for its magnetic charging connectors on older MacBook models until US ...more

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

Too little counter space has been the biggest annoyance in every kitchen of every apartment I've ever rented. They've all been either super small or awkwardly shaped, which means choosing between appliances and prep space. You either live with it or learn to adjust. There are ...more

Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more

Around the world, X-People (yes... there are X-Women, too) are under attack from an intolerant sapiencentric ruling class. Integration without equality is a farce. Autonomy is denied outright. Human prejudice cannot abide a mutant state. Human fear, born to hate, imposes itsel ...more

Glass is one of the least reactive substances known to chemistry. It is the standard container material for almost all lab chemicals because it's so inert. But there are a couple of substances that have strong reactions with glass. Sodium hydroxide, aka solid drain cleaner or ...more

There are a lot of frustrations when you're dealing with cramped living quarters, but you can do a lot of good cooking in your tiny kitchen if you make the most of your space. These storage hacks will make it easy to cook delicious meals, no matter how limited your square foot ...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

Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more

TouchWiz might not be the Android skin of choice for hardcore aficionados, but the Galaxy's OS still has a ton of great features up its sleeve that help provide one of the most enjoyable smartphone experiences out there. Many of these are relatively hidden and overlooked featu ...more

Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more

One of the very first Photoshop skills we learned in my tenth grade photojournalism class was cropping the background out of images. I hated it. It was extremely time consuming, and the magnetic lasso tool never seemed to want to cooperate with me. Nearly a decade later, the ...more

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an or ...more

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more

Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can ...more

Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe ...more

The clock is ticking! Pick up some bokeh tips or buy an app—whichever method you choose, you have until Monday, November 7th, 11:59pm PST to participate in this week's Giveaway Tuesdays Photo Challenge. Below, 50 beautiful bokeh photographs to inspire your entry. Something He ...more

Security researcher Samy Kamkar, best known for his MySpace Worm, and most recently for his online calculator that can help you crack any Master Lock combination, is at it again. This time he's figured out how to break into security doors that have a motion-sensing egress syst ...more

No, your Apple Watch isn't totally hacker-proof, despite what some have claimed. The basic idea behind its security is that the Watch can detect when it is removed from a wrist, and automatically requires a passcode to be entered if removed (if one is set up, which is a requi ...more

You can take a bajillion photos on your smartphone or digital camera, but they'll eventually end up lost on your computer hiding within folders within folders within folders... you get the picture. To bring them to the physical world, you've got to print them, but you don't ha ...more

Permanently deleting files is something that a lot of people aren't aware of. Actually, most people think that once a file is deleted, it is gone forever. This is not the case. Hard drives write to the disk via magnetic charges, positive and negative correlate to 1s and 0s for ...more

Our smartphones have outlived the Walkman, iPod, and even stereo systems, to some degree. So it makes sense to treat your iPhone or Android device to a quality pair of headphones, whether you're a hardcore audiophile or just an everyday music lover. This doesn't come cheap, of ...more

Introduction Halo: Reach is Bungie's latest and final addition to the franchise. Microsoft has claimed the title and from now on 343 Industries will be working on the Halo franchise. In my opinion, Bungie's last game is the best out of all of them. These are some tactics and ...more

It always sounds like a good idea to throw a party... until the party gets there. Next thing you know, you're running around hiding anything breakable, and once everyone leaves, you're stuck cleaning up the mess. But the worst part is footing the bill for everything, and if yo ...more

Welcome back, my fledgling hackers! As nearly everyone has heard, Target Corporation, one of the largest retailers in the U.S. and Canada, was hacked late last year and potentially 100 million credit cards have been compromised. Happening just before Christmas, it severely da ...more

Apple's AirPods are convenient because you can easily switch which Apple device is connected to your AirPods with just a few taps. But unless you're using Shortcuts to make the connection, you aren't using the fastest method possible. For the uninitiated, Shortcuts is a power ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more

Will the predicted apocalyptic date — December 21st, 2012 — really be the end of the world? In this ongoing five-part series, we examine what would happen if zombies, nuclear weapons, cyberwars, earthquakes, or aliens actually destroyed our planet — and how you might survive. ...more

Not much about 2020 is what you'd call normal, but if one thing remains the same, it's that Apple will still release new iPhone models. This year, the company is offering four new options: two "Pro" models and two "consumer" devices. If you want to know more about the latter t ...more

The trick in the video is that the magnets are made of a conducting material and they connect the battery terminals to the copper wire, so the battery, magnets and copper wire make a circuit that generates a magnet field just in the vicinity of the battery. The geometry means ...more

UPDATE: Winner announced. See the winning photo here. This week's Giveaway Tuesday is all about macro photography. The prize is a combo lens for your camera phone that can shoot BOTH macro and wide angle—but as far as the entries go, we only want to see your extra close-up sh ...more

Are your paper clips, pushpins, and other metallic objects always in a disarray on your work desk or drawer? To organize them more efficiently and in a visually cool way, paint over medium-sized rocks with magnetic paint and then use its magnetic surface to keep clips and othe ...more

I spend practically all day surfing the web and writing on my laptop, and just as much time texting and checking emails on my smartphone. So, it's only natural for me to charge my iPhone using the USB port on my MacBook Pro. Since that USB port is located on the left side of ...more

There comes a time in relationships when two people decide to move in together, and when this happens, you learn two things: Your perfect, wonderful, adorable significant other is a disgusting, messy pig. Your significant other thinks the same about you. So how do you make s ...more

Have any Star Wars fanatics in your family? Well, here's a great Christmas gift idea for those Star Wars fans who think they have everything... a freaking LEVITATING DEATH STAR! Video: . Backwards Lamb Props created the above Death Star model by using one of those cheap magnet ...more

If you tried visiting the Apple Store online this morning, you were probably prompted with the same notice as the one below, which lasted a good portion of the a.m. What could Apple have been doing to shut down their online store for so long? Well, all of those iPad rumors flo ...more

Homopolar motors tend to be typecast as simplistic in nature, and that's true for the most part. The bare minimum requirements are a battery, conductor, and magnetic field, but when it comes to Valentine's Day, they're nothing short of complex. At least, when it comes to the ...more

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPh ...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

If you're like most people, you probably wish you had more space in your home. With a few clever organizing hacks, you can free up more space in your living space and feel more in control of where and how you store your possessions. Use a tension rod in your sink cabinet to c ...more