There are plenty of times when we need to charge our phones but don't have access to electricity. Whether the power is out do to storms, you're camping and run out of juice, or you're in a Tom-Hanks-like Castaway situation, it's important to have a charged phone in case of an ...more
Okay, you can't really become the king of the world by stacking three pistons. For that, you have to stack four pistons. Seriously though, stacking pistons is an incredibly useful thing to know how to do, and it can be used to make invisible doors, hidden staircases, portcull ...more
Hotly contested video. The question remains, is the science behind the potato fire bonafide or bogus? We have yet to try it over here at WonderHowTo, and the comments thus far haven't indicated a solid verdict. Try it out and let us know! Is this a hoax? Or can you truly start ...more
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. Cut a potato in half. Hollow-out one side of the potato. Fill with mixture of salt and tooth paste. With tooth pic ...more
Staying cool in the summer heat sometimes feels like it takes all the energy in the world. But what about a fan using no-cost electrical energy? If you're looking to keep cool during a power outage, or if you don't want to break the bank by running your DIY air conditioner all ...more
Who doesn't love Duck Hunt? It's arguably one of the most popular games ever created for the original NES system, even in spite of the mocking dog that everyone hates. I'm sure a lot of people still have their old controllers in the attic somewhere, so unless you're lucky enou ...more
This video will show you how to clean the carbon build up on an old spark plug in your lawn mower with a wire brush. Will help to fix sputtering or back firing lawn mower. Video: .
The WonderHowTo Awards winners are in. The votes have been tallied. Despite all of these devastating wild fires, pyromania thrives!! Congratulations to Angel and his toothpaste potato fires for winning the 2008 Weird Science Award!! This fire setting trick rivals MacGyver's ...more
Relays are simple redstone devices that allow you to switch between multiple outputs with only one input. They're incredibly useful in the right situation! There are many different types of relays, but I'll be showing you how to make two. One will switch power back and forth ...more
Like many smartphones nowadays, your Samsung Galaxy S4 comes bundled with a headset for you to listen to music, watch videos without disturbing others, and even make phone calls. I personally only use it for music, whether it's Play Music, Pandora, or streaming from YouTube. ...more
In this video, I will show you how to make copper glow red hot with the catalytic oxidation of acetone. For this science experiment, we'll just need some acetone, copper wire, and a flame source to initially heat the copper coil we'll make. Video: . Materials Needed Pure acet ...more
Mixing water and electricity is extremely risky and potentially lethal, yet that's exactly what I did with the Scariac. In its simplest form, the Scariac is just a glorified version of two wires in a bucket of water, but it's actually one of the cheapest power controllers you ...more
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. Regardless of what this is called, this free energy looks amazing when demonstrated. This video tutorial will show ...more
By now, you've probably been inundated with enough Baby Yoda memes to last you a lifetime. But if you don't have the new Disney Plus streaming service on your TV, you're probably wondering where all this is coming from. Well, lucky for you, just in time for the holiday season, ...more
Welcome back, my fledgling hackers! A short while ago, I did a tutorial on conducting passive OS fingerprinting with p0f. As you remember, p0f is different from other operating system fingerprinting tools as it does not send any packets to the target, instead it simply takes ...more
Sorry, Galaxys S11–19, Samsung's jumping straight to Galaxy S20 this year. They're also going with essentially three base models before accounting for niche variants. Of these three models, it's clear which one's the best: the Galaxy S20 Ultra. We've rounded up all the specs ...more
It is a beautiful, yet scorching day here in Los Angeles, and the only reason I would ever step outside from my air-conditioned castle would be to grill out by the pool. There's just one problem: backyards are few and far between here in The City of Angels. But not having spa ...more
It's been a long time coming, but HBO will finally be releasing their cable-free streaming service next month in the U.S., over two years after they had released similar standalone subscriptions in countries such as Norway. The new premium service, HBO NOW, will be available ...more
If you want to put a fire pit in your backyard, but don't want to spend a lot of time or money on it, this $10 DIY Upcycled Fire Pit designed by Sarah and Joe over on House & Fig is the perfect weekend project. It's simple, looks great, and shouldn't take much more than an hou ...more
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 las ...more
Just a normal day in the life of the Dunn family. Seasoned stunt professionals Jim and Celia Dunn have appeared in Hollywood films such as Poltergeist , Scary Movie, X-Men II, Shanghi Noon and Jumangi. Their children, Connor, 15, Ali, 11, and Austin, 9, boast impressive IMDB ...more
If you had a phone in 2004, there's a pretty good chance it was a Motorola RAZR. The iconic phone is the tenth highest-selling of all time, and it marked the height of the flip phone era. Now that the technology has caught up, Lenovo (Motorola's parent company) is bringing it ...more
So you've been playing Call of Duty Mobile for some time but can't seem to get MVP at the end of the battle. Well, since the game is a competition of players and bots, you're in an uphill battle. But you don't have to languish at the bottom. With the help of these tips, you mi ...more
In a bold move, Samsung has decided to forgo the Galaxy S11 moniker and jump straight to the S20. Perhaps it's marketing for the new 20:9 aspect ratio and 120 Hz display, or maybe it's just the fact that it's releasing in 2020. Besides the number, Samsung is borrowing from Ap ...more
Brought to you by Tomcat. Falling snow, warm fireplace, delicious hot cocoa, quiet reading time, mouse. Quick quiz - which one is not like the other? Nothing can ruin a perfectly cozy afternoon in your home like a pest on the loose. With dropping temperatures, you may have so ...more
If you're breaking a sweat in the summer heat, but not trying to break the bank, this dead simple trick will show you how to make your own air conditioner for under ten bucks. Video: . What You'll Need 1 styrofoam cooler 2 dryer vents 1 small fan you've probably got lying aro ...more
In this project, you'll learn how to re-purpose low-cost sprinkler parts into a high-powered CANDY CANNON. Be the coolest person on the block by building a pneumatic device that will launch candy 100 feet in the air—you can make it rain down all kinds of sugary treats!!! It's ...more
For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to ...more
If you've ever missed an important phone call because you're hands were too dirty to touch the screen, you won't have to worry much longer about it happening again. Apple is remedying this age-old problem on the iPhone with a hidden feature in iOS 11 that ensures you'll never ...more
If you're ever lost or hurt out in the middle of nowhere with a dead cell phone, you might be able to "flag" down help as long as you're near some railroad tracks. Some train tracks carry a small electric charge as a means of detecting other trains for signaling or for detect ...more
When I was in college, I invited a girl over for a date. It was a glorious spring day, and I thought it would be the perfect time to fire up the unused barbecue that had been sitting on my patio all school year. I prepped all the food, chilled all the beer, and then I realized ...more
Lurking inside your old junk microwave is an abundance of useful parts that can let you melt metal, spot weld, and make electrifying Jacob's ladders. You can even make a powerful AC arc welder, perfect for making hard-to-solve puzzles and even makeshift weapons for the zombie ...more
We frequently associate plastics with the modern era, starting at around the 1950s with the prevalence of bakelite. However, for all of you "you can't use plastic in Steampunk" purists out there, I have bad news for you: Victorians used plastic! Granted, bakelite is the firs ...more
Sometimes I forget that I'm also a fiction writer, so I thought it might be a nice change of pace to share one of my stories with you. I wrote this piece awhile ago for an anthology that never came together and I'm tired of just sitting on it. It's one of the more odd stories ...more
Sometimes you just want to kill a whole bunch of things at once, or to paraphrase Samuel L. Jackson in Jackie Brown, sometimes you absolutely, positively got to kill every mob in the room. Well, the automatic machine gun is the way to do it; accept no substitutes! Here's a vi ...more
What's a penny worth these days? Not much. But could there be some free energy hidden inside your spare pennies? You'd be surprised! See how I hack together stacks of pennies into makeshift batteries that can drive small-current devices like LEDs and calculators. Video: . You' ...more
Have you ever felt like you wanted to totally annihilate someone in Minecraft with a machine gun? Yeah, me, too. Thankfully, you can! The redstone machine gun, which I'll demonstrate, is essentially just a rapid pulsar attached to a dispenser full of arrows. This design has b ...more
Samsung's lineup of Galaxy Note devices for 2020 include the specs-behemoth Galaxy Note 20 Ultra and the slightly more cost-effective Galaxy Note 20. Excuse the pun, but there's a lot to unpack here in terms of unique features and hardware. These are the first smartphones wit ...more
It's new phone season — new handsets are releasing every few weeks, we're seeing endless software updates, and the holidays are right around the corner. We asked our tech-obsessed writers and editors to give us the lowdown on their must-have accessories when they splurge on a ...more
Android phones have supported keyboards and mice for a long time, and you've even been able to use physical keyboards with iPhone and iPad models. But iOS 13 and iPadOS 13 finally include official mouse support. That means you can use a wireless or wired mouse and keyboard wit ...more
Welcome back, my nascent hackers! In previous tutorials for my Wi-Fi Hacking series, I have shown you how to crack WEP and WPA2 passwords, break a WPS PIN, and create Evil Twin and Rogue access points. In this continuation of the series, let's look at slightly different appro ...more
Welcome back, my nascent hackers! Like anything in life, there are multiple ways of getting a hack done. In fact, good hackers usually have many tricks up their sleeve to hack into a system. If they didn't, they would not usually be successful. No hack works on every system a ...more
Can you cook a steak or salmon filet that's straight out of the freezer and get good results? Ordinarily, I would say no. Usually your steak ends up a sad grey mass fit only for the family dog and the fish is burned on the outside with an icy, undercooked center. However, it ...more
Are you searching for a homemade cat repellent solution? This article will cover natural indoor and outdoor deterrents for every scenario where cats are causing trouble. The first part will cover home remedies for training cats to stay away from furniture and other restricted ...more
Welcome back, my tenderfoot hackers! We have looked at a number of ways that we sniff traffic on the network with such tools as Wireshark, tcpdump, dnsiff, and others, but each of these tools is only capable of pulling packets off the wire. Those packets can be examined for ...more
Welcome back, my novice hackers! I have tried to emphasize throughout this "Hack Like a Pro" series that good reconnaissance is critical to effective hacking. As you have seen in many of these hacks, the techniques that we use are VERY specific to the: Operating system, Serv ...more
Welcome back, my rookie hackers! When Wi-Fi was first developed and popularized in the late '90s, security was not a major concern. Unlike wired connections, anyone could simply connect to a Wi-Fi access point (AP) and steal bandwidth, or worse—sniff the traffic. The first a ...more
Welcome back, my fledgling hackers! Nearly every commercial enterprise worth hacking has an intrusion detection system (IDS). These network intrusion detection systems are designed to detect any malicious activity on the network. That means you! As the name implies, a networ ...more
In a previous article, I demonstrated an Arc Welder made using parts from old microwave ovens. Video: . Here is part 1 of 2 on how that arc welding machine was made, and how you could make one too! This is the first of two parts on building it, focusing on the modification of ...more
Sound Recognition was introduced with iOS 14, and the accessibility feature uses on-device intelligence to detect 13 different sounds and then notify you whenever it hears one. Apple increases that number to 15 with the addition of two more detectable sounds in iOS 15 that it ...more
With the new iPhones coming out, many see the current mobile market as just another epic battle between Samsung and Apple. But let's not forget there are many other phones that run Android. And when you start to sift through the specs, one stands out as a competitive alternati ...more
After first being announced at Mobile World Congress 2018, the ASUS ZenFone 5Z will finally be coming to the US. Deemed an iPhone X clone by some, there is more than meets the eye when it comes to this flasghip. While it is similar to the iPhone X, in some ways, it improves on ...more
The headline above may have some spice addicts shaking their heads, but, believe it or not, there are people out there who either don't like or can't handle a ton of spice. And even heat lovers sometimes add more spice to a recipe than intended—so check out these handy method ...more
My daughter moved into her first apartment last year, a huge rite of passage in any young person's life. With a mother and two grandmothers who are good cooks (to say the least, in the case of the latter), it's not surprising that she turned to us for some advice about how to ...more
If I could survive on one food for the rest of my life, it would be pizza. The irresistible smell of baking pizza instantly makes me feel both comforted... and hungry! While frozen pizza can satisfy your cravings, using fresh dough to make your own pizza is definitely much mo ...more
All of Apple's products are praised for being extremely easy to use. So much so, that your grandma can pick one up and be a "pro" within a few hours. However, this isn't necessarily a good thing for us real power users who want more granular control of our devices. Luckily, M ...more
Welcome back, my novice hackers! Previously in my "Spy on Anyone" series, we used our hacking skills to turn a target's computer system into a bug to record conversations and found and downloaded confidential documents on someone's computer. In this tutorial, I will show you ...more
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touc ...more
It's September 1st, 1859, and the Earth looks more or less like something out of an apocalyptic movie or Sci-Fi novel. All communications have failed, it's so bright outside at midnight that people are getting up and making breakfast, and people all over the world are seeing a ...more
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. Sam ...more