Hand-over

Reuben Margolin builds large scale kinetic sculptures based off of mechanical waves. Some of his sculptures contain hundreds of pulleys all working in harmony with each other to create sinusoidal waves and their resulting interference patterns. He designs them all on paper and ...more

A young child becomes very thirsty very often and seems tired all the time. A visit to the pediatrician determines she has type 1 diabetes. The onset of type 1 diabetes may seem sudden, and it can be, but the disease may actually have been triggered by common childhood viruses ...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

Many of our members here at Null Byte are aspiring hackers looking to gain skills and credentials to enter the most-valued profession of the 21st century. Hackers are being hired by IT security firms, antivirus developers, national military and espionage organizations, private ...more

Apparently submerging a hand in liquid nitrogen isn't as painful as one might suspect (if you trust the Leidenfrost effect as much as Theodore of Gray Matter): I hadn't realized that my hand was quite so deep into the liquid. Amazingly, I barely felt the cold at all. My skin ...more

Seeing that you probably can't go ten minutes without lying (according to this study), you're probably interested in becoming a better liar. The best way to do so is to learn what makes a bad liar, and then do the opposite. 1. Liars Have Revealing Micro Expressions According ...more

Chances are, your favorite websites run on ads. That means the sites rely on those ads to fund their operations. Without ads, your laughs, news, and guides don't happen. That's why it's helpful to disable content blockers (often called whitelisting) for sites you support. In t ...more

These days, there are Android apps for every budget—forgive me if that sounds like a car commercial, but that's just the way things are in the age of the smartphone and tablet. You've got apps that require monthly subscriptions, paid apps that will run you a $30 one-time insta ...more

The Samsung Galaxy S6 includes a pretty nifty feature known as "Gesture wake up," which lets users wave their hand over their locked display to wake it, making those periodic notification checks from the lock screen a lot more simple than having to press the power or home key ...more

The biggest feature in the iOS 13 update is a new system-wide Dark Mode. It's a simple switch that you enable to turn system menus and Apple apps dark, but it can also darken third-party apps if their developers elect to support it. Trouble is, most haven't yet, so half of you ...more

Bitmojis are not only a good way to personalize your Snapchat account, but also a really fun Snap addition to play around with. A bitmoji is basically like your little avatar, letting you design your mini-self whichever way that you desire. If you want pink hair, there's pink ...more

I've already showed you how to magically unlock your Samsung Galaxy S3 with the simple wave of a hand, but why stop there? Sure, you could go out and purchase a Samsung Galaxy S4 so you have Air Gestures that let you control the lock screen, SMS, sound, wireless, and more. We ...more

Procrastination is an ugly beast. At first, it seems so innocent to spend five minutes checking Reddit or Twitter. You'll get started on work right after. Next thing you know, it's 1 a.m. and that paper is due in seven hours. Before you start another YouTube video, know you do ...more

Cleaning a blender thoroughly is a pain in the ass, especially when you try and get all the goop out from underneath the sharp blades without nicking your knuckles. Alas, it is a necessary chore, otherwise you end up with disgusting dried gunk that ends up in your next batch o ...more

A little cooking mistake can lead to tough meat, spoiled food, and even a bacterial explosion in your kitchen if you're not careful. These five simple, easy-to-fix kitchen mistakes are some of the most commonly made in households around the world. Luckily, you can correct thes ...more

One of the most popular and basic origami geometric shapes is the "water bomb," which is a simple inflated cube. With a few extra folds and only a minor shift in approach, a more complex geometric shape can be achieved. This 24-faced, 3-dimensional object is formed using 8 id ...more

The most convenient way for US users to buy Ripple (XRP) or Stellar (XRM) is through Binance. However, you can't deposit money directly into this app, but you can deposit cryptocurrency like ether or bitcoins to buy other alt-coins. The easiest way to do that is by using Coinb ...more

Hand made air conditioner made of a foam lunch box, 5 volt DC fan, 4 AAA rechargeable batteries, and some ice. This homemade AC can run on batteries and you can plug directly into any USB port. Video: .

The "Knock Knock" features on LG's G2 phone have proven popular and useful enough to spawn various apps and mods cloning these abilities for other devices. Porting the "Knock On" feature to our Samsung Galaxy S3 isn't as easily doable, since developers would need to create a m ...more

Amazon's newest addition to the Kindle family, the Kindle Paperwhite, has a built-in light and much better resolution than its predecessors. Amazon boasts that the battery can last up to eight weeks (based on 30 minutes of reading per day with Wi-Fi turned off) and weighs less ...more

While certainly faster than writing by hand, manually typing passages from a book or document can be slow and frustrating. But thanks to Google Assistant, this is no longer the case. Whether you need to quote text for an essay or need to win an online argument, all you need to ...more

I've seen my fair share of heartbreaks when it comes to used phones. As a repair tech, I often had to try and help out customers who bought used handsets which turned out to be useless, either because it was stolen or not working on their carrier's network. More often than not ...more

You can double-tap most maps on your iPhone to zoom in, and tap once with two fingers to zoom out. And I'm sure you're more than familiar with the pinch gesture for zooming. But there's an even better way to zoom in and out on maps, and you can do it with one hand tied behind ...more

A bunch of magazine "pros" make big time Photoshop mistakes. Hongkiat posts 52 pretty terrible ones, my favorites featured below. What's their excuse? Veronica Kay's missing leg.. The three handed woman.. Creepy. She's not alone.. Mandy Moore gets scalped.. Brad and Angeli ...more

The fingerprint sensor on the Samsung Galaxy S5 gets a little flack for its functionality, and that's mainly because the setup instructions ask you to swipe your index finger over the sensor to unlock your device or make mobile payments (and of course, because it was already h ...more

I sometimes play on a survival server where griefing is not only allowed, but almost encouraged. Keeping yourself safe and other on their toes is important. :) So, I came up with this simple TNT + pressure plate trap. I know what you are all thinking at the moment. "Aaaw, no ...more

There are more ways to wear an Apple Watch than just the default one. Out of the box, an Apple Watch is set up to be worn on your left wrist with the Digital Crown on the right side. But what if want the Digital Crown facing the opposite way? Or what if you're left-handed and ...more

Samsung removed the Bixby key on the Galaxy Note 10 and Note 10+ and gave the power button dual functionality. In the process, they changed the way you power off the phone and made taking screenshots a bit tricky. Fortunately, it's not too hard once you get used to things. By ...more

this tutorial explains how to make a traditional origami lily from one sheet of paper. No cuts, no glue needed. You'll Need one square sheet ten minutes of your time one hand (two would be ideal) Instructions With this video and the printable diagrams below, folding your fi ...more

At first glance, mandolines seem like such a good idea. After all, who wouldn't want a tool that can create picture-perfect and paper-thin slices of fruits and vegetables that would put even the sharpest chef's knife to shame? Your French fry game would never be the same. Sala ...more

Even if you live in a big city, chances are you have some wild raccoons or foxes that cannot abide a vertical trash barrel. While apparently omnipresent, these phantasmic critters usually vanish in the night leaving only a shameless trail of refuse you never wanted to see ever ...more

First of all, I would like you all to meet my good friend Iggy. There he is, in all his scaly reptilian glory. As you can see, he spends a lot more time on top of his cage than inside of it. You see, Iggy here doesn't deal well AT ALL with confinement. I don't know if it's pos ...more

Clumsiness is the great equalizer when it comes to smartphones — it makes no distinction between the most expensive flagship handset and cheaper mid-range models. A hard drop onto pavement will usually result in a shattered screen, regardless of how pricey your device is. And ...more