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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

Even though Samsung has features like the always-on display, you still might miss some notifications now that the alert LED is gone. But baked in One UI is the ability to turn the rear camera flash into a notification LED. Any incoming alerts or calls will cause the camera LED ...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

How many trips up and down the stairs do you think it took artist Janne Parviainen to create this incredible topographical light painting? Apparently, quite a few. Using only one LED, he moves around his house, tracing all of the surfaces. Sometimes the exposure times are up t ...more

In the past few weeks, you've already learned how to make your bike light up at night with some DIY rim lights and handlebar lights. But how about something a little more functional? Instead of using those tedious hand signals (which drivers don't even understand), spruce up y ...more

The first day of Hanukkah is here, the day you start lighting the candles of the menorah. So, why not ditch the wax and light the "lights" this year? (Skip ahead to see the LED menorah) Hanukkah is a Jewish festival that lasts eight days from the 25th day of Kislev, which th ...more

Uh-mazing...London based designer team Francesca Rosella and Ryan Genz have created a dress embroidered with 24,000 LEDs. From Wired, "'We used the smallest full-color LEDs, flat like paper, andmeasuring only 2 by 2 mm,' said the designers. 'The circuits are extra-thin, flex ...more

A flashlight is one of those things you rarely need, but hardly ever have when you do. The normal-sized ones are unwieldy to carry around, and the small ones that you keep in a purse or car are easy to lose. You can solve both of those problems and get the best of both worlds ...more

chrof Instructables boasts: "This is the most comprehensive step-by-step guide to build an 8x8x8 Led Cube ever published on the intertubes. It will teach you everything from theory of operation, how to build the cube, to the inner workings of the software." Yes, you can make ...more

Most of the time, the LED notification light on the front of your Android device just sits there doing nothing. Other than that brief period of time between when you receive a notification and when you turn your screen on, it's practically useless for anything other than showi ...more

Normal body temperature, normothermia or euthermia; is a range of temperature rather than a fixed number. That Range represents the temperature that could be measure form the body under normal conditions. Body temperature is a range rather than a fixed number; the normal body ...more

I had the opportunity to speak with the COO of Osterhout Design Group, Pete Jameson, shortly before the announcement of the company's R-8 and R-9 smartglasses models at CES in January. And while I sadly could not make it to CES to test the smart specs out right away, ODG invit ...more

At night, it can be pretty difficult to see what's inside drawers and cabinets, unless you have night vision or something. Sure, you can turn on the light, but sometimes you're in such a hurry that you don't have 5 seconds to walk over to the light switch and turn it on. Perh ...more

If you've ever been on your way to a party and felt that your outfit just wasn't flashy enough, engineering student 'Rambo' has got just the thing for you. His homemade LED suit lights up and dances to the beat of the music, and can even be controlled via Bluetooth. Video: . T ...more

Albert Einstein once said, "We know less than one thousandth of one percent of what nature has to reveal to us." While this still lies true, that fraction has inspired man since the beginning of human life. You can see the reflection of nature in the poems we read, the theatr ...more

As a former English major, I have a love/hate relationship with many books. And when I saw that this NFC-enabled charging dock project included a little book mutilation, I was suddenly more interested. Now, for those of you who have nothing against books, this is still a great ...more

Beautiful LED sculpture made for the 2008 100% Design exhibition in Earls Court. Curious how it was made? Process images below the video. Previously, 24,000 LED Light-Up-My-Dress. LED Wand + RIFD Waves = Awesome Science Art.

Essential — the smartphone company started by Android co-founder Andy Rubin — is set to release its bezel-less smartphone before the end of June. The highly-anticipated phone is set to be stocked full of features, including an edge-to-edge display, magnetically-connecting 360- ...more

This is a illuminated pen holder that I made out of a couple recycled hard drives. The LEDs receive power from the standard USB cable connected to a computer. The stand for the penholder is taken from a clip light, and the penholder itself is made from 3 hard disk drive platte ...more

The cell phone may have replaced the pocket watch, but thanks to some clever mods and hacks, "old-fashioned" time telling is making a comeback. Smart watches that connect to your mobile device cannot only tell you what time it is, but also change the song you're listening to a ...more

Hacked Gadgets recently featured Csaba Bleuer's LED wave display, a device that projects LED messages midair. Bleuer had also previously created a similar device that spins on a fan motor. "Csaba Bleuer sent in some pictures and a video of his new creation. It is a LED Wave D ...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

I always found that those safety lights for bicyclists on the market were never good enough when riding in the dark. That got me thinking about people who use wheelchairs and how unsafe the night could be when they want to go out. So here's what I came up with: I decked out t ...more

The rise and fall of Meta, the Silicon Valley-based augmented reality startup that looked to challenge the likes of Microsoft's HoloLens, and others, took just six years. Now, as the story of the company draws to a close, we finally have some deeper insight into what exactly ...more

REQUIREMENTS: LED's,connecting wires,tip 31 transistor,battery,3.5 mm audio jack,soldering machine,soldering wire,soldering paste. Now Make the Connection of Components as Shown Below

From dynamite to lasers to LEDs, you can make graffiti with a lot of different things. Parisian artist Antonin Fourneau has added water to that list. He created this incredible LED wall that lights up wherever it's touched by water to create what he's dubbed "Water Light Graff ...more

LEDs have slowly become the standard for DIY lighting projects because they consume less power and last way longer than regular light bulbs do. Light-emitting diodes have no filament, meaning they generate their light solely by the movement of electrons in a semiconductor mate ...more

Jogging at night is risky, but with these LED sneakers, the odds of getting hit are drastically reduced. Creator Will Cruz wants you to be safe, so he has generously shared full instructions for making your own light up kicks. Previously, HowTo: Auto-Lace Your Kicks.

A new study from John Rogers of the University of Illinois at Urbana-Champaign promises an exciting new tech-chic addition to the world of body modification: flexible, implantable LEDs that would radiate sub-dermal luminescence. Just imagine the possibilities. Rogers' study a ...more

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Cruise Automation, the driverless car startup General Motors (GM) bought for $1 billion in 2016, is readying a formidable fleet of robo-taxis for rollout in cities throughout the US. But when it comes to details about how the company plans to realize these lofty goals, it's be ...more

Remember the magical LED graffiti video "paint"? Here's another cool LED graffiti design by Aissa Logerot. "Halo is a handy light-writing tool, preserving the techniques and gestures that graffiti artists use with spray cans. It is possible to change the color and the brightn ...more

Hubba, hubba, Mrs. Officer! Insanely ghetto fabulous pair of cop heels that belong in a Lil' Wayne video. These babies blink like a siren, and are laden with teeny, tiny law-enforcement detailing, such as headlights, turn signals and strobe lights. Designed by Tim Cooper. Pr ...more

Your iPhone might have a great camera, but it can be irritating to get things like exposure and focus right when your fingers are all over the 'viewfinder.' The Pictar aims to change that by making your iPhone as much like a DLSR as it can, keeping your fingers from obstructin ...more