What Can We Make Using Leds

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

Welcome back, my novice hackers! You have probably heard of the Panama Papers hack by now. This was a hack of the servers at Mossack Fonseca, a major law firm in Panama. This law firm specializes in assisting the rich and powerful to hide their wealth from taxes and scrutiny ...more

Before all the fancy night mode settings in phone cameras, we used the LED flash to take low-light photos. While it's not used for pictures as much anymore, the LED on the back of your Galaxy is still pretty handy as a flashlight. But did you know there's an easy way to adjust ...more

One could argue that, at least for the moment, software development is more important to the augmented reality experience than hardware. Since a viable augmented reality headset has yet to emerge for the broader, mainstream consumer market, currently, the same devices that mak ...more

In the driverless race, technological advances can sometimes just add more tension to an already heated competition, if Waymo suing Uber over their allegedly stolen LiDAR technology is any indication. Now, Sony is offering a new camera sensor, one that should help self-driving ...more

Joe McKenna died when he was 30 years old. A young married man with his future ahead of him, he was cleaning up the station where he worked as a fireman. Struck by a piece of equipment fallen from a shelf, Joe complained of a sore shoulder. Over the next week, Joe worsened and ...more

We've seen many things get gummy-ized over the years—worms, insects, Coke bottles, glass cleaner, Legos, brains, Nutella, and even tiny LEDs—but nothing compares to YouTuber and WonderHowTo favorite Grant Thompson, aka The King of Random, who made one helluva creepy gummy chic ...more

Using my Nexus 7 tablet as a flashlight to light my path on the way to my room late at night is difficult, and honestly, useless. It doesn't have an LED flash for pictures, so using it as a flashlight is essentially just me brightening the display as high as it can go. If you ...more

Sound waves are a lot more versatile than you'd think. For starters, you can use them to project images onto a bubble and liquefy gummy bears. And now, YouTube scientist and optical illusionist extraordinaire Brusspup shows how sound waves can also be used to manipulate a stre ...more

There are plenty of times when it would be nice to be able to give other drivers a piece of your mind, or let them know you're having car trouble so they go around instead of riding your bumper. While there are several gestures that can certainly get the point across, none of ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

While photography usually gets all the love, our phones have gotten really good at capturing video. Think about it — when was the last time you needed a camcorder for a vacation? With mobile cameras getting better each year, we're now at a point where smartphones can be used f ...more

Black lights come in all shapes and sizes, and they're useful in a variety of ways. They can help you spot fake currency, urine stains, interesting rocks, and deadly scorpions, and they can even help you view cool fluorescent artwork. Most black lights work using a filter or ...more

In the Harry Potter world, there was a character by the name of Beedle the Bard, who told a story about witnessing the three Peverell brothers building a bridge out of magic and successfully crossing a very dangerous river that had claimed many lives. Death was upset that the ...more

Chance are, you or someone you know is that person in the gym: flexing in front of a mirror, posing for the perfect photos to show off your workout results. But finding the right picture is hard. The thing is, it doesn't need to be. A good gym selfie or workout video doesn't ...more

Bacteriotherapy sounds a lot more amenable of a term than "fecal transplant," yet they're both treatments that use bacteria itself to cure or treat infections. Fecal transplants, specifically, are an up-and-coming treatment option for a potentially deadly and difficult-to-trea ...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

After months of waiting, it looks like HMD has finally answered the call. Nokia's parent company is finally releasing a true flagship phone — one that isn't just an enhanced version of a previous phone and actually brings something new to the table. That phone is the Nokia 9 P ...more

The Galaxy S8 has finally touched down, and it's an absolutely gorgeous device. Samsung's brand new flagship comes jam-packed with new features — some refined, and some that aren't. Luckily, we've compiled some major features to help you get started as quickly as possible so y ...more

Like most people, you probably use hand gestures when you talk, whether you wave your hands excitedly when discussing the latest episode of Game of Thrones or smack the back of your hand as you rattle off points during an argument. As your speech teacher probably told you, ges ...more

From laptops to tablets, technology is taking over classrooms. Elementary schools offer kids tablets, and college students are bringing laptops into lecture halls, leaving their notebooks behind. Today, many students prefer putting their fingers to a keyboard rather than pen t ...more

I loved my Lite-Brite as a kid. There was just something about using those little multicolored pegs to make my own designs, and it's not exactly a secret that kids love anything that lights up (LED sneakers, anyone?). So how do you combine the old-school fun of Lite-Brite with ...more

A lot of my hacks use salvaged parts from an old microwave, with the microwave oven transformer (MOT) being the most useful component. In this "Quick Clip," I'll be using a MOT again (a dual MOT stack) to make deadly flame-looking electricity jumping around midair. This scien ...more

A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power ...more

The new iPhone 14, 14 Plus, 14 Pro, and 14 Pro Max all come with great, never-before-seen-on-iPhone features, including the A16 Bionic chip, Bluetooth 5.3, precision dual-frequency GPS, and dual ambient light sensors. But that's only a few new features exclusive to the 2022 li ...more

Arduino is a language that's easy to learn and supported on many incredibly low-cost devices, two of which are the $2 Digispark and a $3 ESP8266-based board. We can program these devices in Arduino to hijack the Wi-Fi data connection of any unlocked macOS computer in seconds, ...more

When it comes to the sub-$250 price range, the new Nokia 5.1 might be the perfect phone. Of all the new models announced at Nokia's event in Moscow, the Nokia 5.1 offers the most with the least compromises. For a third of the cost of a flagship, you get a phone with a premium ...more

There are over 1.6 million apps on the Google Play Store, which makes it the largest collection of mobile apps on the planet. However, a large portion of this total is occupied by apps with overlapping functions—think social media, news, weather, music players, and various oth ...more

Besides obvious features like a touchscreen and biometric sensors, the modern smartphone comes with an array of state-of-the-art hardware in the form of various sensors that help your device sense the environment around it. And if you have a Samsung handset, chances are, you h ...more

One of the latest home-improvement gadgets out there today, smart lighting, has become more popular as prices come down. That being said, its still quite a penny to shell out. In this article, I'll go through a few of the top products out there today, including the Philips Hue ...more

There's no shortage of techniques when it comes to light painting—you can use LEDs, flashlights, or even make your own light painting nunchuks. If you want to do something a little different, though, why not use a projector like photographer Brian Maffit did to capture these g ...more

Time to make those lazy Sunday afternoons even lazier. Instructables member johndavid400 has posted a full HowTo on modding your lawn mower to operate via remote control. " ...How to make your Arduino into an R/C interface that you can use for just about anything requiring re ...more

Using a combination of technology and animation techniques, two students at the Oslo School of Architecture and Design have created a visual model of RFID fields. From PopSci: "The video was created using a custom-created LED wand that lights up whenever it is in the presenc ...more

Instructables member Mike Galloway has constructed his own private planetarium: a fiber optic starfield ceiling for his newborn baby. From Hack A Day: "This setup involves an LED based illuminator and bundles of fiber optics. Mike first mounted the illuminator in the corner ...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

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

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this ine ...more

Google Calendar is a cornerstone of the Google Suite, perhaps second only to Gmail itself. Whereas email is constantly plagued by phishing attacks, as of yet, the calendar is a relatively untapped social engineering attack vector. But it's relatively easy for an attacker to in ...more

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeO ...more

Welcome back, my fledgling hackers! Hacking has a long and storied history in the U.S. and around the world. It did not begin yesterday, or even at the advent of the 21st century, but rather dates back at least 40 years. Of course, once the internet migrated to commercial use ...more

We see Steampunk props all the time and wonder where the maker found all their pieces. In fact, for some people it's almost like a game to examine each prop and see if they can name all of the original parts. However, for a newcomer (or a novice at prop-making), it may be rea ...more

Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own ...more

We've already highlighted the importance of learning Microsoft Excel from a hacker's standpoint, but it's also just a good skill to have as you'll likely come across the number-crunching powerhouse at school and work, as well as in other areas of your life, such as budgeting. ...more

Having emerged as one of the leading augmented reality video conferencing apps, Spatial is ready to improve upon the experience. On Thursday, the startup announced that it has closed a $14 million funding round, bringing its total funding to $22 million to date. Don't Miss: ...more

After years of rumors and waiting, Samsung's first foldable smartphone is finally a reality. The phone itself is a bit wild, but with Samsung going so far out of their comfort zone with this one, there were some bumps in the road that caused a delayed release. The launch has b ...more

The Moto G7 Power is a phone that screams battery life. From its display resolution to the massive battery, it was designed for those who hate to recharge each night. But unlike other battery-focused smartphones, it comes at a price almost anyone can afford. Lenovo, Motorola' ...more

The tradition of using cutting edge technology to prepare for missions in space, in this case, augmented reality, continues with a new team of international astronauts slated to board the International Space Station (ISS) later this year. On Tuesday, European Space Agency ast ...more

Waking up your Apple Watch to see "your heart has shown signs of an irregular rhythm suggestive of atrial fibrillation" might come as a shock. While your watch can send you warnings if it detects a fast or low heart rate, those messages are pretty vague, while the abnormal arr ...more

Our national month-long celebration of all things creepy and crawly comes to a climax on Wednesday with Halloween and will end with Día de Muertos on Friday, so now is the ideal time for the The New York Times to publish a mildly chilling augmented reality story for children. ...more

One of the primary marketing tactics used by Magic Leap in promoting the Magic Leap One was selling early adopters on the "magic" contained within the device. On Thursday, some of that magic was uncovered as the Magic Leap One was completely disassembled by repair engineers, r ...more

Update February 25: The Nokia 9 PureView was announced at Mobile World Congress! Read all of the official specs and details at our full rundown of Nokia's latest flagship. It wouldn't be an exaggeration to say the Nokia 9 PureView is the flagship device most Nokia fans have b ...more

Hak5's products get a lot of attention. Popping up in popular shows like Mr. Robot, their hacking tools are bold proof of concepts with space built into the design for the community to add their own tweaks and modifications. On Friday, Oct. 27, Null Byte attended the Hak5 rele ...more

With augmented reality making its way into the mainstream, consumers have been expecting a company bloodbath for a while now, one that will have a ton of casualties. Blippar has been expected to be one of those casualties due to the reported loss of millions of dollars earlier ...more

In December of last year, UK-based Zappar successfully raise $84,356 for their ZapBox mixed reality headset—over $50,000 more than their goal. Well, they just blew that sum out of the water when they announced this morning that they've closed a Series A round of funding with $ ...more

In recent years, wave after wave of technological advancement has led us down roads that are beginning to look more and more like science fiction stories. In their efforts to bring us from science fiction to science fact, Microsoft Research showed us a new communication medium ...more

Google's new Pixel and Pixel XL flagships are some very powerful smartphones, but as with any high-tech gadget, they're only as capable as the user allows them to be. So if you're a proud new Pixel owner, it's time to bone up on a few new features to help get the most out of y ...more

The big day has finally come—the new iPhone 7 and iPhone 7 Plus have been officially unveiled. Apple debuted their new flagship devices at a keynote event in San Francisco on September 7, and as we've grown to expect, there are tons of changes in store for the world's top-sell ...more

Apple revealed the new iPhone 6S and 6S Plus at their September 9th event, and there are two particularly awesome features built in just for selfie photogs. The first is 3D Touch, which gives you a quick shortcut to taking selfies just by pressing the screen in a certain way. ...more

With the high rate of obesity in the United States, it's fantastic to see the massive wave of fitness tools available, even if it's just a trend. And with the companionship of your Apple Watch, keeping track of your progress or fitness goals has never been easier. As my LA Fit ...more

You can find hundreds, if not thousands, of complaints about Wi-Fi performance issues with iOS 8 across all Apple devices. Even I had the issue on my iPhone 5S. The Wi-Fi connection on my router was strong, but I was getting extremely slow speeds. So slow, that I would resort ...more