Light Without Electricity

LEVOGYRE 65 points (15 points without the bingo) Definition: turning toward the left [adj] The basic meaning of levogyre above is correct, since it comes from the Latin words laevus (left) and gyrare (rotate), but it's more common in organic chemistry, referring to a compoun ...more

Technology RealD 3D cinema technology uses circularly polarized light to produce stereoscopic image projection. Circular polarization technology has the advantage overlinear polarization methods in that viewers are able to tilt their head and look about the theater naturally ...more

So, at this time of the year, everyone seems to be going through a lot of stress - and by “everyone,” I mean, “anyone who has any contact with people who are in schools of any kind.” Still, stress can hit you at any time of the year, whether it’s right before Christmas, or whe ...more

In my tutorials, I often talk about the things you can do to improve your builds in Minecraft. However, this time I'm covering 5 things you should never do in your builds. These tips will improve your projects because they help you avoid making mistakes that can leave your con ...more

Piezoelectric Energy In this article, I'll show you how to make a small, wallet-sized device that generates electricity from kinetic energy. The concept is simple: Piezoelectricity is the charge that is produced when certain solid materials (commonly ceramic and crystal) in r ...more

As you may have seen in your city or town, red light cameras are on the rise in the United States. In many instances in my area, these cameras have sprung up seemingly out of no-where, and mostly without any reason. Over use of these systems can make privacy (even on the road) ...more

What if your fridge knew your food and expiration dates? What if your fridge could tell you which ingredients are missing and where you can get them the cheapest? "In My Fridge" is a project designed to simplify the process of food management. Our focus was on the technical ...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

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Note: As I thought of writing something like this, it sounded fairly simple. A one-stop guide for everything related to survival (survival mode, SMP) in Minecraft. But as I progress ...more

Day for Night courtesy of Videomaker.com Those 3 Words We Love to Hear, Day for Night (DFN). What better three words could a director ask to hear? No huge generators, no freezing temperatures, no vampire-style living... what's not to love? Are you perplexed? Well, long ago, ...more

A new study casts real suspicion on the possibility of life on Mars. Why? It seems the surface of the planet may be downright uninhabitable for microbial life as we know it. Over the years, and with research into life on other worlds, visions of extra-terrestrials and "little ...more

When Apple announced their ARKit platform in June, they immediately staked the claim to the largest augmented reality hardware platform, with millions of iPhones and iPads compatible with iOS 11 becoming AR devices this fall. Not so fast, says Google. Today, Google revealed t ...more

Face ID is one of the big selling points of the iPhone X, and the reception has been fairly positive so far. It's pretty impressive to watch the iPhone X magically unlock just by looking at it, but it's even more impressive to see how Face ID works its magic. Apple gave us a ...more

Those of you who have been a part of the Null Byte community for even a short while know that I sincerely and firmly believe that hacking is the most important skill set of the future. To further emphasize how important our skill set is, knowledgeable estimates put the potent ...more

During the keynote at WWDC earlier this year, Apple introduced the latest iteration of its mobile operating system, iOS 12. Despite a thorough demo on stage, Apple glossed over new eye tracking features that use ARKit 2. Developers can now use the TrueDepth camera on the iPhon ...more

About a third of the methane released into the environment comes from the production and transport of natural gas. The gas leaks as it moves along the transport chain from gas wellheads to market. To trap methane and produce a useful product in the process, a group of scienti ...more

I used a plastic water filter for years. Who wouldn't? It cuts down on buying bottled water, which, as it turns out, is pretty much the same as unfiltered tap water. Plus, bottled water is terrible for the environment and your wallet, too. Water that costs only pennies a day a ...more

Winter is already here, and when Jack Frost is nipping at your nose, he tends to nip on your wallet, too. That's right—between holiday parties, gift-giving, heating bills, and all the required snow and wet-weather gear you need, the winter months can get pretty expensive. So ...more

Night mode on the iPhone 11, 11 Pro, and 11 Pro Max is a godsend if you want clearer photographs in dimly lit environments. But if you want to keep the image dark or full of shadows as an effect of sorts, it's not immediately obvious how to disable Night mode, which turns on a ...more

Besides the Apple vs. Samsung competition, few battles are as vocal as the battle between the best Pixel and best iPhone. This year, it's the Pixel 3 XL and iPhone XS Max, two phones that are equipped with minor hardware updates from their predecessors, though both showcase si ...more

Record stealthily, in the dark. This hack is simple and will turn any LED flashlight into an infrared night vision light you can use with any video camera. Infrared light is invisible to the human eye, but it will illuminate any area you are shooting. IR radiation is electrom ...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, cyber wars, earthquakes, or aliens actually destroyed our planet—and how you might survive. End ...more

Welcome back, my hacker novitiates! Now, and more so in the future, wars will be fought hacker v. hacker. The number of soldiers, guns, tanks, and ships will be less important in your success in warfare than the number of well-trained hackers you have. Every nation and every ...more

It's already that time of year again—LG has unveiled its latest high-end smartphone, dubbed the G4. In past iterations, LG released its flagship devices in the fall. But slowly over the course of the past 2 years, the release schedule has been bumped up to be more in line with ...more

We fight cancer in a variety of ways, but no matter whether drugs, biologics, or our immune cells are part of the battle, they can do a better job fighting back cancer if we can help them find the tumors. Scientists from the University of Rochester Medical Center (URMC) have ...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

Motorola is a shell of its former self. In 2010, it had just released the Motorola Droid, a phone so popular it led to all Android phones being called "Droids" by non-techies. But there have been some rough years between then and now, and Motorola's latest "flagship" doesn't l ...more

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

However much you love your summer barbecue parties, you probably won't be going through your entire bag of charcoal briquettes anytime soon. So, take advantage of your charcoal excess by putting them to good use in other ways! Charcoal briquettes are great for removing excess ...more

As dedicated bicyclists are well aware, riding can be very dangerous. Now that daylights savings time has ended in the United States, darkness appears quicker, and the night is especially dangerous for cyclists because of the low visibility that drivers have. Not only is darkn ...more

In the midst of fending off legal challenges from Magic Leap and Epic Games, startup Nreal isn't retreating. Instead, the company is digging in its heels and pushing forward with its launch plan for its Nreal Light smartglasses. On Wednesday, the Beijing-based smartglasses re ...more

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the commu ...more

In this jam-packed October, the Huawei Mate 20 Pro has flown under the radar in the US. Due to Huawei's lack of presence in the States, many are unfamiliar with the second largest OEM in the world. Huawei has continuously put out amazing mobile devices, and this year they rele ...more

The screenshot tool on your iPhone can come in handy in various ways, but it may be even more helpful than you realize. So if you thought you knew everything there was to know about your iPhone's screenshot tool, it's time to put your knowledge to the test. Many of these hidd ...more

The drinking straw isn't just there to help you make annoying noises when you get to the bottom of your soda. That little tube of plastic is extremely versatile and can make your life a lot easier with a little know-how. Curious? Read on to find out more. Bendy or straight, th ...more

Advancements in technology have made it perfectly possible to make a short film or even an entire movie with your iPhone or Android — as long as you've got the right gear. Lenses, stabilizers, tripods, lighting, microphones, chargers, and cases can make the difference between ...more

Let's just say it's been a pretty bad year for spies and government agencies and an even worse one for the privacy of U.S. citizens. Edward Snowden blew the lid off the NSA's spy program, and the FBI was recently discovered to have the ability to access your webcam any time th ...more

Picture it: you wake up in the middle of the night and check your phone. Maybe you want to check the time (your phone is your alarm clock, after all) or see if that person ever replied to your message. You double-tap or lift to wake it, and the screen lights up. You flinch at ...more

Magic Leap has some seriously awesome tech behind their augmented reality vision, and has made it a point to add a ton of adrenaline into the industry with a revolutionary focus on 3D layering. Today, they gave the public another glance at how they go about it. The image above ...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

There's been a whole lot going on at this year's Consumer Electronics Show, from the latest in virtual reality gear to televisions that continue to slim down while producing higher quality images. We've seen so many smart automobiles and appliances that it feels like pretty s ...more

When I review apps, I'll oftentimes end up downloading at least one or two "bad" apps that either lied about their functionality or were riddled with ads. These apps, while not as harmful as malware, can still be a major headache. This got me thinking about the other bad apps ...more

Winter and the winter holidays in general are a time of joy, laughter, and love… but not for everyone. For some, the stress of preparing for parties, hosting family, traveling long distances in bad weather, and just keeping up with your daily routine can start to bring you dow ...more

Presentational video for our DIY Camera Crane project. Video: . Me and my friend built this crane couple of months ago in our garage using only ordinary materials from hardware shop. The overall cost of the crane was about 200$, when cranes of the same weight capacity may cost ...more

Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...more