Motors. The word screams of complexity. They're everywhere and in everything, from car engines to airplanes to toys and electric wristwatches. But sometimes the most complex things can be really simple, as in the case of the homopolar motor, where the main point is a magnetic field. The only items you'll need to make a DIY homopolar motor are a AA battery, copper wire and a rare earth neodymium magnet. This tutorial will show you how to build this simple motor.
In this video tutorial, viewers learn how to use the Stitch EZ Cross Stitch and Needlework Frame. This frame is designed to provide hours of stitching enjoyment without pain to the hands or damage to the fabric. It simply is held under the edge of your leg. It allows users to work with both hands, allowing users to stitch much faster. It has a magnetic needle holder and it can flip over. The panel is also removable and has 3 adjustments for the height. This video will benefit those viewers wh...
This is a Sports category video tutorial where you will learn how to add weight to a golf club. In an iron club, there are two ways to add weight. One way is to attach an iron weight that has a magnetic tape behind it. You can also take the grip off and put some iron weight inside it that goes right down the club. For your wood clubs, they come with weight attached to the back. It is called fastrack. There are numbers from 1 to 6. You can move the pieces to adjust the weight. Watch the video ...
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, revealing the delicate innards of the device and detailing how it delivers its augmented reality experiences.
Mobile payment systems have been around for almost 5 years now, starting with Google Wallet. But when Apple got into the game last year with their new Apple Pay service, things really started to take off. Around this time, Samsung responded by acquiring an up-and-coming mobile payments company that owned the rights to an incredibly innovative technology called Magnetic Secure Transmission (MST).
Welcome back, my fledgling hackers! As nearly everyone has heard, Target Corporation, one of the largest retailers in the U.S. and Canada, was hacked late last year and potentially 100 million credit cards have been compromised. Happening just before Christmas, it severely dampened Target's Christmas sales, reputation, and stock price (the company's value has fallen by $5B).
Back in 2007, YouTube user HouseholdHacker posted a parody video on how to make a high-def speaker for under a buck. MythBusters took on the challenge and busted it.
In this video you will learn how to decorate your boy's room with lockers using cheap and fun ways. In order to do that you need to follow this steps and tips from the video: The first thing that you need to do is to get a large locker where you can deposit your kid's toys and athletic stuff. Another tip or step is to install timers to your kid's room. The timers will turn off the light and you won't have to worry because your electricity bill. This tips will help you organize your kid's room...
As you already know, the Galaxy Note 10 and 10+ have gotten rid of the beloved audio jack (RIP). Fortunately, it has never been a better time to switch to wireless. There are Bluetooth headphones and earbuds for every budget and every need.
Using a passcode on your Apple Watch is a good way to keep other people out of your data, but what happens when you see that "Wrong Passcode" screen yourself? You can, of course, try again in a minute, but if you've forgotten it for good, there's still a way to get back into your Apple Watch.
Whether you like to go swimming or jump in a hot shower with your Apple Watch on, the chance is pretty high that you'll get water inside its speaker. If you're a big runner, even sweat can get inside there. While there is no way to prevent water from getting inside your Apple Watch's speaker, there is an easy way to get it out so that your muffled speaker sounds brand new again.
If you cover a particular area in tech long enough, you develop certain pet peeves, and one of mine happens to be devices that attempt to keep us wed to the Google Glass style of augmented reality. And while I remain mostly uninterested in such devices, one of these products recently earned my admiration and might work for you, too, under the right circumstances. It's called the Golden-i Infinity.
The number of households in the US that go hungry because they lack money for food hit a high of almost 15% in 2011. While that number continues to decline, nearly 13% of American households still go hungry.
Before the iPhone 7 models were released, there were many rumors pointing to the inclusion of wireless charging, which obviously didn't happen. Now the rumor mill is back at it again for Apple's next smartphone, most likely being called the iPhone 8, and the possibility of wireless charging is more certain this time.
Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigatory projects.
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touches.
I spend practically all day surfing the web and writing on my laptop, and just as much time texting and checking emails on my smartphone. So, it's only natural for me to charge my iPhone using the USB port on my MacBook Pro.
In this article, I'll be explaining the basics of how microcontrollers work, physically and virtually. First off, microcontrollers are no simple thing, so don't be discouraged if you find it mind-boggling! The world of microcontrollers is fascinating, engaging, and an awesome hobby; it never gets boring. I'll be focusing more on I/O and analog based microcontrollers, such as those running Arduino, and using Atmel chips as examples (these are most commonly available, and easy to program).
Baidu's self-driving car unit has had a tough week. Today, the company's leading artificial intelligence (AI) expert, Andrew Ng, announced in an optimistic blog post that he would be leaving the Chinese search engine company to pursue AI research on his own.
Many Android users woke up on January 10 to discover that their phone's performance took a nosedive overnight. Battery life is draining fast, overall performance has been sluggish, and devices seem to be overheating for no apparent reason. Not to worry, this isn't happening because of something you did.
Google's Tilt Brush has proven to be one of the most compelling VR experiences for the HTC Vive, letting you paint with crazy materials like electricity and duct tape. It is clearly an experiment in bringing the joy of imagination to life—or creating some form of virtual LSD—and the app's latest update brings a variety of features that only continue to support that theme. There are few to no rules in virtual reality app development, and that can both be freeing or absolutely paralyzing when t...
The new USB Type-C standard was supposed to revolutionize smartphone charging, but so far, it's done more harm than good. Many cable and charger manufacturers are struggling to keep their products in line with the proper USB-C specifications, so as a result, we now have to check to see if a cable is compliant before purchasing one.
Although there has been much speculation about how much damage could be done if hackers were to take control of a country's SCADA systems, there have been few examples - until a few months ago, with the power outage in Ukraine caused by hackers.
Those of you who have been a part of the Null Byte community for even a short while know that I sincerely and firmly believe that hacking is the most important skill set of the future.
Welcome back, my hacker novitiates!
Food waste is a topic near and dear to my heart, but the truth is, no matter how dutiful we are about finding ways to double-down on food scraps, a lot of stuff goes into the trash needlessly.
We don't generally think of medicine as being very relevant to Steampunk, but it was a big part of Victorian science fiction. Notable examples that you may be familiar with would be Frankenstein and The Strange Case of Dr. Jekyll and Mr. Hyde.
Here's how to build a sexy looking water-fuel generator that will convert your tap water into an extremely powerful, clean burning gas!
Omniscience is not required to make some really cool shit happen. Yes, it took a while, but we can make fuel from the Sun! Solar panels are basically our answer to God. And now that we can make solar electricity, finding the most efficient way to harvest it is tricky.
What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead?
Learn how to use a MotionX-GPS including its functions, and how to use other applications such as music and internet while still in this application.
Apple's spring event, where the company will announce a new iPad model, is just around the corner. We also expect to see the long-awaited Apple Pencil (3rd generation), also known more simply as Apple Pencil 3, with several significant enhancements that promise to make it an indispensable tool for anyone who uses their iPad for note-taking, sketching, illustrating graphics, and more.
While we just called the Apple Watch Series 5 the "best lifestyle assistant and fitness wearable you can get," it doesn't mean that it's the model you should get. Whether you're shopping for yourself or someone else and are on a tight budget, the Series 4 offers the majority of features that the Series 5 does at up to $300 less than the newer comparable models.
TouchWiz might not be the Android skin of choice for hardcore aficionados, but the Galaxy's OS still has a ton of great features up its sleeve that help provide one of the most enjoyable smartphone experiences out there. Many of these are relatively hidden and overlooked features that you may not be aware of.
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 have a handy feature built in that enables you to check if these sensors are functioning 100 percent.
A home air conditioner is nearly as vital as the electricity that powers it. Learn how to replace a home air conditioning unit with tips from a professional HVAC technician in this free home improvement video series.
Expert electrician Danny Herb demonstrates in easy-to-follow, step-by-step instructions how to replace a light switch and how to replace a wall socket. He begins by showing you how to turn off the circuit breaker, an essential first step to any electrical repair, and offers safety tips and advice for working with electricity. He shows you the tools and equipment you'll need to get the job done, and how to test electrical outlets to be certain they aren't still hot.
Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can you do that shows you put some work into it, while not breaking the bank?
Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The triggers for this boundary could be as simple as a pressure sensor, or as complicated as a laser network. They all do the same thing, but some work better than others.
