Make a Lighter with Tinfoil and a Battery

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

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

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

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

You've packed your own lunch and can't wait to get to the little vacuum-sealed cup of dessert you brought along. You keep rummaging in the bottom of the bag, searching for the spoon you're certain you packed…except you didn't. Uh-oh. If you're in a break room that keeps plast ...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

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

When it comes to smartphones, the biggest complaint voiced by most users is battery life. Sure, it's unrealistic to expect your Android device to run for weeks without a recharge, but many folks struggle to even make it through the day without having to top off their battery. ...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

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

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

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

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

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

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

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

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

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

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

Balloons are fun, but the helium ones are always more entertaining. So today, we're going to learn how to make hydrogen gas by combining toilet bowl cleaner with aluminum foil. With hydrogen, you get the same lighter-than-air properties of helium, plus it will explode! Histori ...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

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

Aluminum foil is one of those things that every cook, experienced or just starting out, has in their kitchen. And while we may think we know how useful this handy material can be, there are hundreds of ways we could be utilizing tinfoil to make our lives a whole lot easier. 1 ...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

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

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

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

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

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

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

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

There's no doubt you've heard the old saying, "When life gives you lemons, make lemonade." The phrase was penned in an obituary to a dwarf actor in 1915 by an anarchist named Elbert Hubbard, who lost his life five months later aboard the RMS Lusitania when it was torpedoed by ...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

We've showed you how to make Butterfingers and Kit Kats, as well as custom-shaped chocolates, but have you ever thought about making your own gourmet chocolate bars? It's a fairly simple process, once you understand tempering, and there are endless flavor possibilities when y ...more