Make Lights Turn to Green

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

There are plenty of ways to create decent looking special effects on a budget. You can use basic, inexpensive materials to make ground explosions or realistic looking alien landscapes. But nothing says Hollywood quite like your own green screen. Turns out, it's actually prett ...more

Scenario: it's late at night, the roads are completely empty and you are stuck at the longest light ever. Solution: don't run a red- change it to green yourself. Avoid a ticket, save yourself some time (and perhaps a little gas). Many of you may have already seen Kipkay's ins ...more

Haven't you ever wanted to live in a futuristic home? I think that homes are headed towards an era where they will be controlled by our computers and smartphones. No longer will you have to find your keys to unlock your door, or wait until you get home to monitor your security ...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

If you ride your bike or motorcycle a lot, especially in a large city, you've probably had a few close calls. No matter how safely you're driving, you never know what other people are going to do, and being on a smaller vehicle makes you difficult to see. Most bicyclists rely ...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

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

Gatorade: its popular red flavor can stain the whitest fabric, and its sweet taste is oddly refreshing after breaking a sweat. If you've ever participated in a sport, you probably spent halftime at games and practice breaks chugging the stuff. Though it made its name as a spor ...more

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...more

If you want to start the party out right, you have to impress the crowd with your awesome bartending skills. While lighting cocktails on fire is a nice way to warm up the crowd, it's been done by thousands of bartenders across the globe. Plus, if you're not careful, you could ...more

According to a new study, the majority of smartphone users check their devices 150 times a day. While that number may seem incredibly high at first glance, the influx of notifications and amount of social media apps available reduce the initial shock and make the number seem n ...more

General Electric isn't known for their Christmas lights, but maybe they should be, because their GE Color Effects are pretty awesome. Especially the LED Color Effects G-35 String sets. And especially when someone named Darco hacks them. Darco, whose real name is Robert Sun Qu ...more

With the S9 and S9+ upon us, you maybe wondering if it's time to retire your aging Galaxy and either sell it or do a trade-in to get Samsung's latest flagship. Before you do, however, it's important to make sure that all its components — most notably the sensors — are working ...more

Before jumping right into becoming the next James Neely or Moose Peterson, you're going to have get situated with your new digital SLR. No matter if you purchased the Canon EOS 5D Mark II body and lens separately or together, you've got everything you need to get started excep ...more

There's absolutely no shortage of flashlight apps on Google Play, so when one comes around that sports uniquely different features than the rest—it should definitely be noted. That's why I bring to you Ambient LED Flashlight, a new app for your Samsung Galaxy Note 2 by Android ...more

Biting into a perfectly ripened piece of fruit is enough to convince you to give up baked goods and plant your own garden. The combination of flavor, juice, and sweetness in a ripe mango, apple, plum, or berry is the stuff of life itself. Alas, most people don't know how to c ...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

The new Moto X may not have a lot going for it when it comes to hardware, but there are some pretty cool software features that makes it a tempting device. One of these cool features is its Active Display notifications that appear on the lock screen. This feature gives immedi ...more

Halloween is less than a couple weeks away, so it's about that time you start thinking of cool ways to decorate your house (if you haven't already), and pumpkins are an obvious choice. Pumpkins are one of the cornerstones of Halloween celebrations, dating all the way back to t ...more

One thing you have to love about Google is their sense of humor. From their annual April Fool's Day pranks to the hidden Flappy Bird mini-game in Android to tons of hidden commands in Hangouts, you can just tell that those smart guys in Mountain View still like to have a littl ...more

Home chemistry is great, but what happens when you forget to label your chemicals? How do you know if you turned a clear glass of ammonia into a clear glass of unobtainium? Chemists have a tool for just that. Litmus paper are small bits of filter paper saturated with a reacti ...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

Undercover Crow -Sage I sit in a dim black bench Outside prison walls Sharing my last piece of bread With a flock of pigeons Fighting for crumbs. All these pigeons look identical, Grey feathers and bright red toes, All except one, a pigeon with a zipper on its back. H ...more

Even though iOS 6.1 was only released a couple of weeks ago, hackers released evasi0n a couple days after. Evasi0n, the only iPhone 5 jailbreak currently on the market, is the most popular jailbreak in history—with nearly 7 million iOS devices already hacked in the mere four d ...more

Even the most unadventurous eaters can usually be coaxed to take a bite of an exotic fruit (except, perhaps, the notoriously stinky durian). After all, fruit is sweet, juicy, and filled with natural sugars. Don't Miss: Bite into Black Sapote, the Chocolate Pudding Fruit So d ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

Mason jars are a DIYer's best friend, nearly on par with duct tape and paper clips. Why? Because you can use mason jars for so many things besides just canning and drinking, and I'm not talking about other obvious uses like basic storage containers or miniature terrariums. I'm ...more

Peach trees and other related plants are susceptible to the devastation caused by fire blight, a contagious bacterial disease. Once contracted, infected trees have to be burned to contain the disease and prevent spread to nearby trees. Increasing resistance to antibiotic treat ...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

If you're an AirPods owner, you know the sound — that decrescendo of little beeps and boops means imminent "death" for your wireless earbuds. Other than that infamous chime, however, it's not overly clear how to check your AirPods, AirPods Pro, or AirPods Max power levels. Tha ...more

Whether you choose the sassy face of someone like your inner Disgust from Inside Out, or you're the happy-go-lucky Joy, chances are you're well-versed in expressing your inner "ew." So for this Halloween, take pride in your judgmental self by donning a DIY Disgust mask. Don't ...more

While Google isn't ready to commit to a wide release of the AR walking navigation mode for Google Maps, the company has begun testing the feature with members of its Local Guides crowdsourcing community. As a result, I've had the opportunity to test an alpha build of the feat ...more

Kale is the new baby spinach: it's taken over salads everywhere, and for good reason. This nutrient-dense vegetable is a member of the brassica family, which also includes cabbage, broccoli, and watercress. Recent studies show that people who eat more brassicas tend to have le ...more

Incoming phone calls and FaceTimes, whether you want to answer them or not, will take over your entire iPhone's screen — no matter what you're in the middle of doing on the device at the moment. You could be browsing the web, playing a game, or chatting on social media. It doe ...more

Google recently released a new mesh router known as Nest Wifi. The updated and rebranded Google Wifi brought many improvements, such as faster processing power and an increased level of wireless security called WPA3. But while it's not enabled by default, you can still get the ...more

No matter what your holiday preference, you're probably aware that Christmas is now just days away. By now, you've already decked your halls with boughs of holly (either physically or virtually), thanks to our last holiday app roundup. With that in mind, let's take a look at ...more

Chestnuts are roasting on an open fire, which can only mean one thing: Christmas is nearly here. It's the time of year we're supposed to spend with family and friends, but usually we spend it stressing out over what to buy everyone on our list without going over budget, or sho ...more

Etching your own circuit boards is tons of fun, but etching requires strong chemicals to dissolve the copper plating on blank circuit boards. The normal ferric chloride solution works well, but can be expensive and leaves permanent stains. Luckily, we can whip up our own etcha ...more

Introduction to the Basics of Off-Camera Flash There are a lot of resources on the web for using your flash. For Nikon shooters, the Strobist and Joe McNally are the best resources. For Canon shooters, maybe Syl Arena is the best. It doesn’t matter because if you are a Canon ...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

Way back, life on the range was tough and unforgiving for a HoloLens developer. Air-tap training was cutting edge and actions to move holograms not called "TapToPlace" were exotic and greeted with skepticism. The year was 2016, and developers had to deploy to their devices to ...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