Everyone has a Zippo but if you don't, try making this battery cigarette lighter instead. Learn from the once incarcerated Angelo how to stand out in a smoky crowd with this crafty prison invention.
The introduction of smartphones has been what some may see as a step backwards in technology regarding batteries. The first cell phone that I had would last 3-4 days on a single charge; however, the lack of functions minimized the use that is saw. The iPhone's feature-rich pl ...more
Once you've reached an age where sparklers are no longer fun, it's time to upgrade to science and steel wool. It may be basic chemistry, but as you'll see in the video, simplicity can amaze more than complexity, as well as create some really impressive fireworks that are perfe ...more
Fire. It’s everywhere— always has been. From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene. Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more
It's that time a year when winter storms begin causing havoc across the United States, and when "rotating outages" are common to help sustain the electrical grid during intense cold periods. That means pretty much anybody with snow and ice in their backyard can succumb to powe ...more
Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this c ...more
What happens when you need to build a fire, but you forgot your matches and lighter? What if you don't know the fire-plow method, the bow and drill method, or even the flint and steel method (not that you would have flint, because you forgot your lighter)? Watch this survival ...more
How to make sparks without matches or a lighter If you camp a lot there is a good trick for making sparks without matches or a lighter. The biggest key to making a fire is to be able to do it when stuff is damp and wet. Lighting a fire in damp circumstances can be hard. You ca ...more
If you're a geek, then this power pack will give you a total techgasm. The power pack allows you to charge pretty much anything you can fit into a 12 volt power jack in your car (where the cigar/lighter receptable goes). The power pack is a portable battery, so no need for cha ...more
I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more
I decided to make a quick banner for my RC plane. It was basically free, but you might need to get a few materials if you don't have them. My plane is a Hobbyzone Champ, which is a hardy but tiny plane, weighing only 1.3 ounces with the battery. My how-to is modeled after this ...more
Build a fire without matches or a lighter so you wont freeze to death or attract predators in the wild. The finer the steel wool, the better. Most batteries will work but 9 volt batteries are the easiest.
If you're considering getting the new Verizon iPhone, you may want to check out reliable teardown site iFixit. Although the exterior of the new phone may look the same as the old, the interior shows significant differences. A few notable distinctions (click through for the wh ...more
In this article, I'll be showing you how to make a simple yet effective static electricity generator. Basically, this device allows you to carry a constant static charge on your body and discharge it on anything grounded or of opposite polarity. The electricity generated is ar ...more
Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more
In this article, I'll show you how to make a simple touch-triggered switch. This is very useful for various electronic projects, from a simple bedside light to a flat panel touch keyboard. The circuit can vary in switching power depending on the transistors you use. For exampl ...more
In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitr ...more
In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more
The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more
Remember what life was like before your iPhone? Before there were palm-sized smartphones with seemingly endless features, there were phones like Motorola's RAZR that peaked with its embedded camera. Before that, there were simple flip phones with texting capabilities, bulky tw ...more
In this how-to video, some children demonstrate one of the techniques for starting a fire when you don't have a lighter, matches, lighter fluid, or anything like that. Here we see how to start a fire using just a 9 volt battery and some steel wool. TO start a fire using just a ...more
We've featured Temporary Services before, but we thought they deserved a full spread. In this post, we've included some of their How-To drawings and examples of recreated prison art. Temporary Services is: "... a project in collaboration with Angelo, an incarcerated artist. ...more
There is a whole world of smartphone accessories out there, some of which are more quirky than others and don't get the recognition they deserve. But these sometimes strange, sometimes embarrassing products can really make life easier on your iPhone or Android phone. We've fo ...more
As I've mentioned in recent days, it was refreshing to discover that Microsoft's HoloLens 2 stage production was every bit as accurate as presented (check out my hands-on test of the device for more on that). But beyond watching Microsoft's deft HoloLens 2 stagecraft, and try ...more
The AMOLED display on the Nexus 6 wastes no power to show black pixels. This is because pixels on such a screen emit their own light, and black can be easily achieved by simply not lighting any given pixel. But with Android Lollipop's bright and colorful motif, black pixels a ...more
One of the best features on the Galaxy S9 is the ability to quickly apply new themes from the Samsung theme store. A number of the available themes are available at no cost. If you pick the right dark theme, you might even be able to save some battery life over the course of y ...more
Microsoft is quickly adding dark mode to its full line of apps. Microsoft To Do is the latest to receive this treatment, and it looks great. Now you can tick items off your to-do list without straining your eyes or draining extra battery life. Some major apps still don't have ...more
Galley Go is a new lightweight app made by Google that provides a simpler alternative to Google Photos. While it's a lighter app, it still includes dark mode. You just have to turn it on to help boost battery life and save your eyes at night. Google Go has a toggle unlike the ...more
Want an electric car without the price tag? You could always build your own, or maybe just hack your old gas guzzler into an eco-friendly electric machine... This weekend at Defcon, security consultant David Brown showed off his "Voltswagon" project, a 1974 Beetle named Shocky ...more
In the last couple of days there's been a lot of speculation about the powers of Microsoft's HoloLens 2, but few have had a chance to get their hands on one to see if the company's claims live up to what HoloLens inventor Alex Kipman showed off on stage. Nevertheless, amid th ...more
Samsung's version of Android Pie has landed on Galaxy handsets like the Note 9, S9, and S8, though we've known what to expect thanks to leaked beta versions of the software a few months back. The newly dubbed One UI has plenty of new features and improvements, but some of the ...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
It turns out that the new Galaxy Samsung S8 Active (codenamed Cruiser) will be headed for AT&T in the US later this year, just like previous Active models. SamMobile revealed that the device would be exclusive to the network with a model number SM-G892A. The Merriam-Webster d ...more
What Is Graphene? Graphene is a very thin layer of graphite. Graphite is made out of carbon (the mother of all elements), and is normally used in pencils. Graphite is also used for brake padding in larger vehicles, the batteries in laptops or portable gaming systems, and in t ...more
Though Microsoft has had trouble keeping up with the demand for HoloLens 2, the company has been able to supply modified headsets to the US Army. Now, newly revealed images from the US Army show exactly how the HoloLens 2 is being used during training exercises as the militar ...more
Twitter's official iOS app is adequate if you're not much of a tweeter, but if you are, there's a lot of useful features that are missing. Luckily, there are plenty of free Twitter clients available that you can use on your iPhone. These third-party apps have features such as ...more
If waveguide display maker DigiLens has its way, enterprise businesses and consumers will soon be able to purchase smartglasses for less than $500 — as long as they can supply their own computing and battery power. On Monday, the company unveiled DigiLens Crystal, a reference ...more
Less than a week after securing a $25 million Series C funding round for automotive HUDs, DigiLens has introduced a new waveguide display for motorcycle helmets that's thinner, lighter, brighter, and manufactured at a lower cost. Designed for AR motorcycle helmets, the MonoHU ...more
Samsung just concluded their live unveiling of the Samsung Galaxy S4! A more in-depth look can be found here. Today's special live "Unpacked" event from Samsung Mobile is underway in New York City, where the much anticipated unveiling of the Samsung Galaxy S4 is happening. Yo ...more
For the first time in a while, the battle between Samsung and Apple is really interesting. Unlike previous years where the choice for smaller hands was limited to the Galaxy S series, this year, there's an option for Galaxy Note users. Both sides of the aisle have their best o ...more
Unlike many other OEMs, Samsung has two prolific phone series they release each year, the Galaxy S series and Galaxy Note series. At first, the latter was the bleeding edge of technology, but in recent years, the line has been blurred. So what do you get with the Note 10+ over ...more
If you've been paying attention to the smartphone industry, you've certainly noticed a rise in dark mode lately. With most phones now sporting OLED panels, which use less power to display darker colors, users have been begging developers to include a dark theme in their apps. ...more
When Google first announced Android Oreo (Go edition), many believed these devices would be focused more on developing countries. However, thanks to ZTE, we'll be getting Android Go stateside, so US customers on even the tightest of budgets can still enjoy the convenience of a ...more
BlackBerry's focus on secure software and their new partnership with manufacturer TCL are two of the biggest factors in their recent resurgence. Last year, the company announced two new devices — the KEYone and the BlackBerry Motion. The KEYone has been available for a while, ...more
We were really rooting for you this time, BlackBerry! With the phone company having minimal success in the past with smartphones, the BlackBerry KEYone was extremely promising. That is until YouTube Reviewer JerryRigEverything discovered a fatal flaw, the phone's screen popped ...more
Connecting your devices with a cable is the fastest and most reliable way to transfer files between them. Now that most Android devices have either USB Type-C or a Micro-USB port that supports USB OTG, phones are capable of importing media files directly from a camera using a ...more
Google's got a hit on its hands with this one. Android 5.0—AKA "Lollipop"—will be making its official debut next month, but a new preview build has given us a glimpse into the future, which looks brighter than ever. New accents, beautiful animations, and a lighter overall col ...more
When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more
It's confession time. Through a couple of sources, I managed to get an early look at the HoloLens 2. But I was sworn to secrecy, and I take my tech oaths seriously (shame on you, leakers). But now that it's out in the wild, we can finally talk about how the HoloLens 2 looks c ...more
Within the coming months, software startup Neurable plans to introduce the next paradigm in virtual and augmented reality: the brain–computer interface (BCI). A BCI interprets brain signals so that devices can understand user intention from predefined selections. Relying on s ...more
Apple caught a lot of flak for removing the headphone jack in their iPhone 7 models, but they definitely got the last laugh when preorders with a delivery date of September 16 sold out within minutes. Headphone jack or not, the iPhone 7 and 7 Plus are still highly desirable pr ...more
It was the star of the show, but now that Android L has been released for preview to Nexus 5 and Nexus 7 owners, there's a lot that Google didn't tell us about their latest mobile operating system, rumored to be called Lollipop. First off, if you haven't already installed the ...more
For 2019, Sony is trying to shake its failures of the past and start fresh. Following the unsuccessful Xperia XZ series, Sony is changing the name of their flagship to a single number: Xperia 1. With the name change comes a few upgrades, one of which is its new look. Secondly, ...more
Since the Razer Phone's announcement in 2017, we've seen a new subgroup of phones emerge. Gaming phones are now a thing, leading to companies like ASUS creating phones that are thoroughly optimized for the mobile gaming experience. And with their second iteration, they perfect ...more
Ever since the announcement of the Razer Phone, a wave of gaming smartphones started to hit the market. With ASUS being such a big name in gaming, it made sense for them to throw their hat in the ring. The result is the ROG Phone. And with this first try, ASUS has topped the r ...more
The LG V30 is an amazing device that will contend for best smartphone of 2017. It has all the major features you'd expect from a high-end flagship, and it even includes what's become a rare commodity these days — a headphone jack. However, for the purists out there, the LG UX ...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
After the iPhone X eclipsed the $1,000 mark, phone prices skyrocketed. Android OEMs like Samsung started putting out phones in the same price bracket that were crammed with expensive parts. To appease the folks that didn't want to drop over a grand on even the nicest phones, a ...more
The OnePlus 7 Pro is definitely a beast on paper. With a specs page that ticks virtually every box and a price point that undercuts the competition by hundreds of dollars, it's hard to overlook this phone. But before you get too excited, know that OnePlus has repeatedly shown ...more
Mystery is a tricky thing. Used correctly, it can give onlookers the impression that wondrous and perhaps valuable things are afoot. However, once the veil of suspension of disbelief is removed in any significant way, that same mystery can quickly turn into not just skepticism ...more