Fell High Without

Piezoelectric Energy In this article, I'll show you how to make a small, wallet-sized device that generates electricity from kinetic energy. The concept is simple: Piezoelectricity is the charge that is produced when certain solid materials (commonly ceramic and crystal) in r ...more

Youtube.com is one of the most visited websites in the world, and has been for years now. Ever since it's creation in 2005 people have been making videos for every purpose, including the infamous "How to Boil Water" video. But how can one make money from posting videos on Yout ...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

Ever wonder how all of those tiny chips and components can fit inside your laptop or smartphone? If you tried to squeeze them in there yourself, your laptop would quickly become too heavy for your lap, and your mobile phone would need wheels to stay mobile. The secret to mini ...more

In my second article of the laser weapon series (see the first part here on CO2 lasers), I'll be expanding on the potential of pulsed lasers. I'm sure most everyone has seen those green and red laser pulses on Star Wars. Theoretically, those lasers could be built using a conc ...more

Periodically, motorcycle and ATV exhaust system can be rebuilt to maintain the proper performance and sound level expected from the exhaust system. My experience was with a dirt bike that had an aftermarket high performance exhaust installed.I bought my 99 XR400 second hand an ...more

Thanksgiving is still a few weeks away, but it's definitely not too early to pull out that turkey baster hiding in your kitchen drawer. There are many things you can do with it besides baste a roasting turkey. If you're the owner of several houseplants and terrariums, you can ...more

According to the American Osteopathic Association, "1 in 5 teens has some form of hearing loss," and some experts believe it's because of an increase in headphones use. While I understand that music, movies, and video games help keep children preoccupied, there's no reason why ...more

We've all been there: slipping on a pair of perfect yet slightly uncomfortable shoes, hoping they'll stretch to fit perfectly. After about 30 minutes of wear, suddenly those fantastic shoes aren't feeling very great. By the end of the day, your poor feet are covered in throbbi ...more

The latest version in Epson's Moverio line of smartglasses looks to offer a headworn window into the world that prioritizes versatility as well as mobility. While previous generations of Moverio smartglasses have been tethered to Android-based controllers, the Moverio BT-35E ...more

Long-exposure photography gives us the ability the capture some pretty amazing shots by delicately capturing moving elements in an image while keeping the shutter open at a slow speed. While that's great for things like traffic, scenery, and carnival rides, it can come in espe ...more

High blood pressure (hypertension) is a common medical condition that can eventually cause serious health problems such as heart disease, kidney failure, vision problems, stroke, heart attack, and more. As it is common for people to have high blood pressure for years without ...more

This tutorial was written with Windows 7 in mind, but the principle applies to all versions starting from 7. User Account Control (UAC) Processes in Windows run at different levels of integrity, representing the different amounts of "trust" they have to interact with the com ...more

Contrary to popular belief, taking someone's mind off their sadness and telling them to "cheer up" doesn't do much good. Misery loves company, and while it may be a tiresome cliché, there's actually some science behind it. By joining a friend's moody state and commiserating w ...more

You can mod every aspect of your phone's software with root, but if you want to make changes at the hardware level, you'll need a custom kernel. If you've looked into custom kernels before, one name undoubtedly kept coming up: ElementalX. It's easily the best custom kernel out ...more

Google Photos is one of the best photo management services out there. It allows you to back up an unlimited amount of high-quality images without ever paying a dime, the photos and videos sync flawlessly across all of your devices, and its neural network-powered visual search ...more

When you're listening to music, there shouldn't be anything distracting you from total immersion. That means the only cords you should be dealing with are the crystal clear chords of your favorite song. You should be able to listen to high-quality music without the distraction ...more

Smartphones are more like computers than actual telephones. Unfortunately, thieves, hackers, and other bad actors know this and are always looking to make money off your personal data. Thankfully, your Galaxy S20, S20+, or S20 Ultra has tools to combat these threats — as long ...more

The venture arms of Samsung and Verizon Ventures, along with Comcast, are among the strategic investors backing startup Light Field Lab and its glasses-free holographic displays in a $28 million Series A funding round Bosch Venture Capital and Taiwania Capital led the funding ...more

There's a lot of talk these days about how the iPhone 12, 12 mini, 12 Pro, and 12 Pro Max can shoot Hollywood-quality video with HDR and Dolby Vision. The video processing is really cool when it works, but as of right now, you might find its limitations outweigh its use to you ...more

When iOS releases in the next few weeks, consumers on both iOS and Android operating systems can expect to see more AR ads in the mobile web browsers thanks to Vertebrae, an advertising platform for immersive media. Next month, Vertebrae will be able to distribute web-based A ...more

Letting wine "breathe" isn't just something that happens in restaurants in '80s teen comedies with snooty maître d's. It's really a thing, and you should learn how to do it at home, because it'll make just about any wine—including Two-Buck Chuck—taste much, much better. It's a ...more

This year's SXSW festival had a plethora of news and discussion about autonomous cars, but perhaps none was more exciting than the NIO EP9. The car was first shown off in November in London when it ran the Nürburgring Nordschleife track in record time. If that sounds unfamili ...more

Whether you're a seasoned wine drinker or just beginning to explore the wondrous world of fermented grapes, finding fantastic wine on a budget isn't as difficult as one may think. With these 8 tips, you'll see how and why you need not shell out $45 to get a great-tasting, high ...more

Mac laptops, especially the older PowerBooks, often can become very hot when doing processor intensive tasks like movie rendering, YouTube videos streaming, database lookups, or just gaming. Often just lifting the machine from the surface is enough to cool it down without the ...more

Although early attempts at consumer smartglasses have employed trackpads and handheld or wearable controllers for user input, its the gesture control interfaces of the HoloLens 2 and the Magic Leap One that represent the future of smartglasses input. A new machine learning mo ...more

Being an Android user and having friends who are in the Apple ecosystem does not need to be a pain. You can easily send high-quality videos to iPhone users, so don't feel handicapped without access to iMessage. Sending high-resolution videos to iOS users is easy with this fast ...more

Welcome back, my greenhorn hackers! As hackers, we often take for granted that nearly all of our hacking tools and operating system are free and open source. I think it's important to examine a bit of background on how we arrived at this intriguing juncture in the history of ...more

During a power outage at my apartment this year, I watched movies on my MacBook Pro instead of on my television. While I had no complaints about the screen size, I did have an issue with how low the audio coming from my speakers was. External speakers would help, but I don't w ...more

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcas ...more

Virtual reality holds the promise of electronically visiting distant places we'd otherwise struggle to reach, but that teleportation-esque ability isn't possible without the right content. YouVisit created a platform that makes it easy for almost anyone to create immersive 360 ...more

The spice selection at Trader Joe's is both inexpensive and truly top-notch. According to their site, they deal with some of the highest-quality spice manufacturers in the world and, in working with them directly, they eliminate hidden costs spent on promotions, brand-building ...more

Instagram is all about sharing and interacting with others, but sometimes we hide in the shadows and lurk. Whether their ex-lovers, current crushes, former high school classmates, or future coworkers, we silently view their content without them knowing. You can deny it all you ...more

Before smartglasses makers can dream of taking smartglasses to mainstream consumers, they must first determine the right mix of form, function, and price that will drive customers to buy into what they're hoping to sell. Google's AI research team may have part of the solution ...more

Unless you have a newer iPhone 6S or 6S Plus, the front-facing "FaceTime" camera on your iPhone has a pretty weak, low-res sensor, which means unflattering selfies. You could use the rear "iSight" camera to take a high-res selfie, but framing your mug properly and hitting the ...more

Over the past several weeks, I’ve had the pleasure of test driving Samsung’s next big thing, the Galaxy S4. After putting the GS4 through its paces, I have a clear picture of what this device is capable of. I’ve covered the features of the device before, and now I’ll tell you ...more

Apple's codec for photos and videos in iOS 11, HEVC (High-Efficiency Video Coding), as well as the container, HEIF (High-Efficiency Image File Format), result in a reduction in size for pictures and movies without sacrificing quality. Seems like a win-win situation, but Window ...more

In 2017, after purchasing a majority of the 600 MHz frequency, T-Mobile began a massive rollout of the new LTE Bands across the US. However, there are currently only two devices that support the frequency, also known as LTE Band 71. Thanks to a recent FCC listing, we've learne ...more

US customers might soon get access to their first Xiaomi smartphone. The fourth largest OEM has been eyeing a US launch for years, with rumors indicating a debut by Q1 2019. Now, it looks like the Mi 8 Anniversary Edition will be the first device. If you haven't heard about X ...more

Is it possible to gauge what the weather is going to be like without checking your smartphone? By looking at the shape of clouds and how high they are in the sky, you can start getting a hang of predicting what the weather will be like in the next day or two. Cumulonimbus clo ...more

There was a dynamic mic in my junk box, but without any stand or connection cable. I needed a high-quality microphone to narrate my project videos, so I had to think of a way to build a stand for the mic. This is what I came up with. Video: . I used a 2GB sound recorder for wi ...more

You will soon be able to play an AR version of one of the most frustrating mobile games of all time, thanks to Apple's ARKit. We all remember the game "Flappy Bird." It took the nation by storm, making millions fast. People became addicted to trying to get that little bird to ...more

There is no better example of a risk-versus-reward scenario than jailbreaking your iPhone or rooting your Android phone. While both jailbreaking and rooting undoubtedly has its advantages, this possibility of something going wrong and you ending up with a 500-dollar doorstop i ...more

Since iCloud's introduction in 2011, you get only 5 GB of complimentary cloud storage with your Apple account. With iPhone backups, app data, iCloud Drive files, and even emails (if you have a Mac, Me, or iCloud email address), you'll quickly run out of space to back up photos ...more

Viral infections have been the focus of attention in the development of autoimmune diseases—diseases where the body's immune system reacts to the body's own cells—because they trigger the immune system into action. In a study published in Science, led by senior author Dr. Ban ...more

Apple pushed out iOS 11.4 on May 29 to iPads and iPhones, which included the long-awaited Messages in iCloud feature. The company did not release macOS High Sierra 10.13.5 at the same time, limiting the usefulness of being able to sync messages in the cloud since 10.13.4 is no ...more

Legal Services A group of lawyers refused to provide legal services to needy AARP members for $30 per hour, but when asked to do it for free, they readily agreed. Nuclear Waste Storage The Swiss needed a place to store their nuclear waste. Lacking Yucca Mountain, they surve ...more

Let's just say it's been a pretty bad year for spies and government agencies and an even worse one for the privacy of U.S. citizens. Edward Snowden blew the lid off the NSA's spy program, and the FBI was recently discovered to have the ability to access your webcam any time th ...more

Since its release into the arms of waiting developers, Apple's new ARKit is already making waves in the augmented reality scene. Only a week out and there are already a hefty number of videos appearing on the web showing off various demos with iPhones and iPads. Generally, wi ...more

With Android 10 hitting the streets (at least for those mobile devices that get quick updates) and the public release of iOS 13 dropping on Sept. 19, Google is releasing an update on Thursday to ARCore that adds some fantastic new benefits to its cross-platform capabilities. ...more

Last week, Apple released the first iOS 13.4 beta with fun and useful new features, such as new Memoji, an upgrade Mail toolbar, and the ability to control your NFC-compatible car via CarKey. To add to that, Apple just released iOS 13.4 developer beta 2, but does the update ha ...more

If you missed out on the Chia Pet craze from the '80s and '90s, don't worry—it's never too late to build and make your own weirdly head-shaped thing with grass hair growing on top. Using potting soil, chia seeds, an old nylon stocking, an empty terracotta pot, and a little im ...more

For so many of us, bakeware is bakeware. As long as it's oven safe and able to tolerate the high heat, it's fine to bake in, right? Wrong! Don't Miss: 7 Must-Know Guidelines Bakers Swear By There's more to bakeware than we realize: the different casserole pans, baking sheet ...more

Cortisone containing topical ointment and creams have various effect on the skin depending on its chemical nature plus the concentration of cortisone within it. Cortisone usually applied to skin to control itching, eczema, acne and many other skin disease In General, prolonge ...more

After laying off 40% of its staff this month to cut costs, SoundCloud appears to be struggling to stay afloat. While blog posts from the company have assured fans that the music platform is not in danger of shutting down, some people aren't so sure this is the truth. Internet ...more

Before I get ostracized by all of you whisky lovers who live and die by whisky served neat, let me say my piece. In the past, I haven't been much of a whisky fan—I would shoot it back or add it to Coke or ginger ale, but I certainly wouldn't sip on it and enjoy it. In fact, t ...more