The war against machines is near, thanks to Cyberdyne... I mean... the German Aerospace Center. The DLR Hand Arm System is a terminator-like anthropomorphic appendage that functions just as a normal human hand and arm would. Only it's way more durable and can take a beating fr ...more
The iPhone XS, XS Max, and XR aren't the newest devices from Apple Inc., but all three have a serious problem in Messages. When sending a friend an SMS/MMS text rather than an iMessage, the phrase "Number changed to Primary" appears in front of every message. What gives? If th ...more
Unless you're a high-schooler building a nuclear fusion reactor, the hardest part of a science investigatory project often is coming up with a good idea. You want it to be cool yet feasible, novel but still useful. That's why Ai-ni Bautista's science project on making liquid ...more
SentrySafe puts all sorts of measures in place to protect your valuables and important documents. This particular SentrySafe has an electronic lock, four 1-inch bolts to keep the door firmly in place, pry-resistant hinges, and it's able to withstand drops of up to 15 feet. Tha ...more
I'm an impulsive baker, which means that the instructions to "bring ingredients to room temperature" make me want to kick myself for not thinking ahead. Sure, some ingredients like milk or water you can heat up, but that means messing up an extra pot or pan. If you've planned ...more
Acetone-based nail polish remover is great for removing nail polish, and it's also great for some DIY uses around the home. From eliminating scratches to fixing the consistency of correction fluid, its uses are varied but all effective. With nail polish remover, you can also c ...more
Every day we pass bridges, whether it's a foot bridge, a highway overpass, a span over water, or a viaduct over a valley. We pass on these structures without even thinking of the engineering genius that went into their design and construction, let alone the science behind thei ...more
We like our Egg McMuffins around here, albeit homemade with our preferred ingredients: whole wheat (or homemade sourdough) English muffins, a slice of thick Tillamook cheddar cheese, a meat, perhaps, like Canadian bacon, and finally—that perfectly-fried, perfectly-shaped egg. ...more
Do you ever really know someone? I mean really really? Super really? Sometimes we can talk and be with people normally for years and then bam: five people dead, house on fire, dog missing. All the while people shake their heads and regret that if they had just put the little ...more
I love me some salad, but I'm also kind of a big baby when it comes to eating them. The greens have to be perfectly crisp and fresh, which is why I'm such a nut about storing them properly, including rethinking how I use my refrigerator, using a paper towel or dry cloth to wra ...more
MacBooks are built for creation and creativity. They're built to withstand our careers, our hobbies, and our everyday use. I use mine every day, and there's nothing I'd recommend more for computing needs. However, not all MacBooks are built the same. The newer MacBooks models ...more
Apple's already gone through iOS 13.0, 13.1, 13.2, 13.3, 13.4, and 13.5 betas, and now it's time for iOS 13.6. If you want to try out new features on your iPhone before the masses, install either the developer or public beta. The iOS 13.6 beta first appeared as an iOS 13.5.5 ...more
Of all the places you'd think to check for bed bugs, I doubt that library books would be at the top of your list. As odd as it sounds, though, libraries and library books are some of the most common places for bed bug infestations. Libraries all over the country have reported ...more
In case you didn't catch the big event in Cupertino, Apple just unveiled two of the most cutting-edge phones ever made — the iPhone 8 and the iPhone X. Out of the many glorious specs that were rattled off on stage, one stands out for being just a little confusing: Both models ...more
Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials. Warning: The procedures in this video produce large q ...more
Since its introduction on the iPhone 5S, Touch ID has made unlocking Home button iPhones quick and secure. The second-generation iPhone SE brought back the beloved feature in 2020 but didn't take any steps to improve on the technology. So if you're rocking Touch ID and having ...more
When it comes to resistance to the elements, Samsung seems to believe in the old saying "if it ain't broke, don't fix it." They've carried over the IP68 rating under IEC 60529 that was first found on the S8 all the way to their tenth-anniversary flagship, the Galaxy S10. While ...more
Tea has been around for thousands of years, and as a result, tons of customs and ceremonies have sprung up around its consumption. Some cultures take their tea plain, while others put things in it. Sometimes there are special tea-holding vessels, other times not. Maybe there w ...more
In a previous article, I showed how to make a powerful airsoft BB machine gun with a portable air supply using about $50 worth of PVC and air fittings. For this project, I have simplified the design to make a machine gun out of only 4 parts totaling about $15 that runs directl ...more
Samsung's not one to make drastic changes to what already works. They've continued on with the IP68 rating under IEC 60529 first given to the Galaxy S8 all the way to the the Galaxy Note 10. If you're a little confused as to what this rating means, don't worry, it's actually p ...more
You've seen his explanation of a combination lock's inner workings. You'll never lose another game of Jenga, thanks to his winning wooden pistol. And nearly 4 million YouTube users have marveled at his wooden marble machine sculpture. He's Matthias Wandel, and he's accomplishe ...more
Don't think because your MacBook is using FileVault disk encryption your device is secure or immune to hackers. Here's how to find out if that FileVault password is strong enough to withstand an attack from a motivated attacker. FileVault, created by Apple in 2003, is a hard ...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
Remember KODACHROME? That color reversal film from Kodak? The film that was the inspiration for Paul Simon? The only brand of film to have a state park named after it? Soon, that's all you'll be able to do— remember it— because today is the last day that any kind of Kodak Kod ...more
When Apple announced its new iPhone 7 and iPhone 7 Plus models in San Francisco, one of the biggest new features was an "IP67" water-resistance rating. Couple that with a few official renderings that show the new iPhone covered in water, and you'd probably arrive at one logica ...more
Dulce de leche is a beautiful, caramel-like spread that you can slather onto bread or use to flavor cakes, cookies, or flan. You can also use it as a drizzle for ice cream, chocolate candies, and pastries. It tastes like heavenly toffee, translates roughly to "milk candy," and ...more
They're finally here. Apple announced three new iPhone models at their "Gather Round" event in Cupertino, and they're all absolutely gorgeous phones. With bezel-less screens and polished titanium edges, the iPhone XS, XS Max, and XR are truly marvels of engineering — but perha ...more
Want to sear the perfect restaurant-quality steak in the comforts of your own kitchen? Use a cast iron skillet. Though cast iron skillets requires more care and maintenance than your run-of-the-mill frying pan, they can do so much more and last you for a lifetime. Cast iron ...more
Take everyday sprinkler parts and form them into a high pressure rocket launcher that will shoot paper rockets nearly 300 feet!!! It's cheap to make and a lot of fun! Video: . A quick trip to nearly any hardware or sprinkler supply store should get you everything you need for ...more
The OnePlus 7 Pro is definitely a beast on paper. With a specs page that ticks virtually every box and a price point that undercuts the competition by hundreds of dollars, it's hard to overlook this phone. But before you get too excited, know that OnePlus has repeatedly shown ...more
Polymer clay is an exciting arts & crafts medium. Actually, "clay" is a misnomer; it contains no true clay, but rather consists of tiny particles of polyvinyl chloride (PVC) combined with plasticizer, which is what makes it malleable like clay. What makes it so "exciting? Wel ...more
It has been a long while since I last came here to write an article. Graduate school keeps you busy. After I looked over what I had written previously, I decided that I should introduce another fun topic from cryptography. In this case, steganography. In this article, I will ...more
With a predicated increase in the number of Lyme disease cases in the coming spring season, new research endorses the use of bait boxes to control ticks on the rodents that serve as their hosts. With cases spread across the country from coast to coast, Lyme disease is particu ...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
There may be no kitchen appliance as controversial as the garlic press. Professional kitchens and many avid cooks despise it, while others staunchly defend it. On the one hand, Julia Child called it a "wonderful invention." On the other hand, Anthony Bourdain, in his must-rea ...more
There are tons of greasy drippings that can be used to flavor up any dish, but none will ever be more delicious than animal fat. The bigger and fatter the animal, the juicier and tastier their fat is. For those of you who have had your fill of bacon-anything, here's your next ...more
Tardigrades are some of the toughest but least well-known creatures on our planet. These tiny animals, also called moss piglets or water bears, are definitely of this earth, but some can boast that they've also traveled to space. They have been found in the fossil record as l ...more
Ever wondered what the inside of a burning rocket looks like? Well, thanks to Valve engineer Ben Krasnow, now we know. He built a homemade hybrid rocket engine that's see-through so you can actually watch how it works. And even though it's probably a really bad idea to try thi ...more
Now that Vision Pro, Apple's mixed reality headset, has been announced, Apple can free up some R&D resources to commit to its upcoming foldable iPhone, which has been rumored for just as long as Vision Pro has. Will it be a flip-style or a larger foldable? Let's see what all t ...more
A good smartphone can be the perfect workout companion. You have music for motivation, videos for pushing through boring cardio sessions, GPS to keep you on course, and even an array of sensors for gathering data about your workout. But not all phones are created equal when it ...more
You already know how to make sulfuric acid with the metabisulfite and oxidizer method and you saw how to make copper sulfate from copper and sulfuric acid, so now try making sulfuric acid with these two in mind… with sulfuric acid by electrolysis of copper using an inert anode ...more
Enjoy the taste of a summertime potato salad? Then you can't pass up this masterpiece of Southern glory. This video recipe will show you the perfect way to make a delicious, soul food potato salad. This potato salad is creamy with the perfect balance of ingredients and seasoni ...more
If you've been to a farmer's market during tomato season, chances are you know that heirloom tomatoes are pricier (and funnier-looking) than their hybrid counterparts. Heirloom tomatoes, bursting at the seams.. These eccentric tomatoes have become a sought-after alternative to ...more
Although wear and tear on kitchen knives is unavoidable, it's extremely frustrating when I can't cut through tough, fatty tendons in meat or even make a clean slice through an onion. If you don't have a steel rod or water stone to sharpen your knives, or even a cheap knife sha ...more
Before watching this video, we thought there was only one type of butter: The kind you buy in sticks or in plastic containers at the grocery store and toss into all your foods for extra flavor. But apparently butter is a much more complex foodstuff than we thought. Check out ...more
Lee T. Dresang, MD of the University of Wisconsin School of Medicine and Public Health from the Deaprtment of Family Medicine give a discussion and demonstration of suturing techniques. Before beginning a procedure, you will need consent. One should irrigate lesion before begi ...more
Greasy fast food. Snacks. Candy. Empty stomachs. What do these all have in common? They're all things that people commonly have for lunch during the week, because it beats the hassle of having to plan, make, and pack lunches before their workday. Enter the beautiful world of ...more
Trimble is integrating its mixed reality applications into the DAQRI Smart Helmet to enable outdoor and on-site support for design, construction, and heavy industry as part of a collaboration the companies announced today. A provider of advanced solutions for industrial compa ...more
While Microsoft dominated the augmented reality news at this year's Mobile World Congress, a small AR startup we've covered in the past arrived in Barcelona, Spain, to unveil the next phase of its mission. This week, China-based Nreal made the potential mass adoption of its N ...more
After delaying its launch by four months, LG revealed its 2018 entry to the flagship market on Wednesday, May 2. After years of an underperforming mobile division, the LG G7 ThinQ is the first product since a shakeup within the division to get things back on track, and it brin ...more
Firewall solutions for macOS aren't impervious to attacks. By taking advantage of web browser dependencies already whitelisted by the firewall, an attacker can exfiltrate data or remotely control a MacBook, iMac, Mac mini, or another computer running macOS (previously known as ...more
This video demonstration series shows the process of creating an armature for stop motion animation, claymation specifically, out of aluminum foil and polymer clay. Armatures need to be flexible to withstand the positioning and repositioning required to make stop motion animat ...more
Prion diseases are a group of infectious brain diseases that causes extensive tissue damage, resulting in sponge-like spaces in brain tissue. Prions include Creutzfeldt-Jakob disease in humans, bovine spongiform encephalopathy (often called mad cow disease), and chronic wastin ...more
Michael Faraday was awesome. He discovered electromagnetic induction, diamagnetism and electrolysis, and he invented the Bunsen burner (before it was the Bunsen burner). Because of his work, we can make suits that can withstand 1,000,000 volts of electricity and cases to prote ...more
If you slept in during the peak of the Quadrantid meteor shower this morning, don't fret, because plenty of early risers did manage to wake up—with their cameras. Even if you did wake up and managed to withstand the cold morning air, you might not have seen anything. Cloud cov ...more
Take a look at this instructional video and learn how to tie a standard starting knot. As the name suggests, this knot is used for starting off your crosses and can withstand direct tension. It's not something your want to use for the end of your mains or crosses on the racket.
We already know that Samsung's Galaxy S7 is one of the most versatile smartphones ever made, complete with edge-to-edge displays, water resistance, and a huge battery. But what's versatility without durability? How much punishment can the Galaxy S7 take? Let's play a game of S ...more
Beer, glorious beer! It can stop grilled meats from producing carcinogens, can make fried foods super crunchy, and it even saved civilization from total annihilation. Is there anything it can't do? Sadly, yes. While most of you know that a perfect pour makes all the differenc ...more
After months of speculation and sifting through rumors, Samsung finally unveiled its Galaxy S7 and S7 edge flagships, and they're pretty much what we had been anticipating. But just because there weren't any major surprises doesn't mean that it's not still exciting. Let's have ...more
One of the underrated components of the Galaxy Note 20 series is its usage of Gorilla Glass Victus. Think of this as Gorilla Glass 7, the latest innovation from Corning. And this release is a big deal, delivering protection without sacrifices. There are two common types of gl ...more