Make Clock

Since the days of flip clocks, alarms have always had one function—make a bunch of annoying racket early in the morning to ensure that you wake up in time. And this simple MO has stayed in place while technology advances at a breakneck pace, almost in spite of the fact that to ...more

In this video, I'll be demonstrating how anyone can make their own iodine clock reaction with simple over-the-counter chemicals. Video: . Household Materials Needed Hydrochloric acid (for cleaning purposes) Hydrogen peroxide (3%) Sodium hydroxide (drain cleaner) Povidone-iodi ...more

Most of us only see our screen savers in passing, as some sort of slide show or animation as we glance up at the screen or walk by the computer. Usually, anything is better than a boring blank screen—even the classic Pipes screensaver is better than nothing. Don't Miss: Set Y ...more

The basic clock app on Android devices is functional and has a few nice features. One of these is a "World Clock" view, which lets you see the current time in different cities across the world, and shows the time in your location at the top. But of course, the local time in y ...more

When you see a color depicted on your computer, smartphone, or tablet, odds are it was processed as a hex triplet before it was rendered. Most modern websites and operating systems use a hexadecimal coding system to signify certain colors, and these are represented as 6 letter ...more

Feeling ambitious in the hack department? Try taking on the DIY Pong Clock. Via Core77, "Hardware hacker Ladyada has released an open source retro arcade style table tennis for two clock called the MONOCHRON. According to MONCHRON project page they 'wanted to make a clock th ...more

Silly and gratuitous DIY comes to mind. But let's not overthink this Howcast video. Wakey wakey to a mouthful of water sounds effective. Few can sleep through the soak. And it does not hurt to have an attractive gal (in a virginal white lab coat) splicing the wires of this ...more

When a phone has only one main button, it can be pretty frustrating when that one button doesn't really work anymore. If you have an iPhone 4 or 4S, you know exactly what I'm talking about. Yep, the Home button, which is prone to unresponsiveness and lag. Most users blame the ...more

While iOS 11 is ready to take over your iPad, iPhone, and iPod touch, let's take a step back and check out all of the new features that iOS 10 brought to the public when it was released to everyone in Sept. 2016. Some of the updates from iOS 9 to iOS 10 were huge, as you'll s ...more

In iOS, Apple provides a few live wallpapers that you can use for the background on your iPhone's lock screen, but these animated options are just wavy color shifts and ink-in-water effects. To really customize your lock screen, you can use a Live Photo for your wallpaper. If ...more

While there's an art to surviving the all-nighter, there's also an art to staying awake throughout the day when you're operating on little to no sleep. In 1964, the record for sleep deprivation was set by 17-year-old Randy Gardner, who stayed awake for an incredible 264 hours ...more

Normally, you'd have to jailbreak your iPad or iPhone to play any games that aren't available in the iOS App Store, like the now-extinct Flappy Bird game. But this isn't the case if you want to play some of your favorite old school Nintendo classics. There's a web app called ...more

A picture is worth a thousand words, and depending on what you're taking a picture of, it could be worth a lot more. Our phone's camera can easily capture high quality photos, scan barcodes, and make us Instagram famous. You can compare prices of items and download application ...more

Night Shift, Dark Mode, Reduce White Point, and Zoom's Low Light Filter all help reduce the harmful effects on your body's clock that bright iPhone and iPad screens have at night. But there's another option on iOS and iPadOS that turns your entire display red, and it's useful ...more

One of Apple's best products is iMessage, which allows for quick, creative, and free messaging between iOS and Mac devices. However, users are reporting that conversation threads in the Messages app are occasionally out of order, which is equal parts confusing and annoying. Lu ...more

Recently, iPhone users have been bragging that they can set Live Photos as their lock screen wallpaper. While this is a great way to spice up a boring lock screen, Android users shouldn't feel left out in the cold. The highly customizable and feature-rich OS has a few tricks u ...more

While hitting snooze won't help you much if you fall back asleep, it can help you wake up more gently. However, your iPhone's default nine-minute snooze may be too long or too short for your preferences. If you tend to fall back asleep quickly, you might be better with a two-m ...more

There are definitely some great things about iOS 7, but like any good piece of software, it's got some things to kink out—and how wallpapers work seems to be one of the biggest issues, since it's so much different than in previous iOS versions. We've seen tons of questions po ...more

The new iOS 11 was just released by Apple, and you can install it right now. Overall, it's got some great features, but how does it fare battery-wise on your iPhone? And how can you increase daily battery life for more juice and less charging every day? No matter the iOS vers ...more

It's official — the newest version of Google's mobile operating system is called Android 8.0 Oreo, and it's in the process of rolling out to many different devices. Oreo has plenty of changes in store, ranging from revamped looks to under-the-hood improvements, so there's tons ...more

Parents, grandparents, aunts and uncles, and even older siblings have all likely dealt with handing their smartphones over to young children. No matter if they want to play games or watch cartoons or record funny noises, you're handing over a very personal device to those who ...more

Welcome back, my novice hackers! This new series on Bluetooth hacking was inspired by a recent episode of Mr. Robot (my favorite TV show). In episode 6, Eliot hacked the bluetooth keyboard of the police office in order to hack the prison and release his nemesis, Vera. This is ...more

It's that time of year when high school students say goodbye the their past four years of coddling, ready to enter the "real world" and the next chapter of their lives—college. It's a time of growth, change, and new friends, along with all the timeless memories that go with t ...more

Samsung has finally rolled out the Android Oreo update for the Galaxy S8 and S8+. If you're just now getting the update, you'll be happy to know that your Galaxy just got upgraded with plenty of cool new features. Like previous updates, Samsung has improved upon its software b ...more

Apple Watch owners know the struggle — it's the end of the day, and those rings aren't met. Whether you forgot your watch before hitting the gym, let the battery run out, or just didn't move enough, you could feel the sting of fitness failure. But it doesn't have to be this wa ...more

Welcome back, my tenderfoot hackers! A number of you have written me telling me how much you enjoy the Mr. Robot series on USA Network. I am also a huge fan! If you haven't seen it yet, you should. It may be the best show on TV right now. Mr. Robot is about a young man with ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. There's no better way to get around, either for recreation or labor, than the minecart. Minecarts can make a laborious job simple and a boring house fun. Minecarts are much ...more

So, you've finally managed to get addicted to one of those free farming games, like Farm Story or Tiny Village. You play the game nonstop now, and the only thing stopping you is that dreaded on-screen notice to come back in 23 hours to finish farming or building. Come back in ...more

While many people may use Bluetooth every day, the majority don't know how it works or that it can be hacked. Bluetooth hacking gives a clear window into the world of the target. Nearly every device has Bluetooth capabilities, and people store a great deal of personal info on ...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

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. Gathering resources can be an exhausting business. Hours can be spent collecting feathers for arrows or in search of enough Ender pearls to find a stronghold. Luckily with e ...more

There's actually more to the dialer screen on your OnePlus than meets the eye. Besides its obvious purpose of calling people, there's a vast array of secret codes that you can input to troubleshoot your device, in addition to revealing important information, making anonymous p ...more

Android 6.0 Marshmallow is bringing in lots of changes to our favorite smartphone operating system, ranging from battery-saving tweaks like Doze to a Now on Tap feature that essentially bakes Google right into every app on your phone. But for folks that like to tweak the inter ...more

While using end-to-end encryption may be enough security for most of your messages in Telegram, you can go a step beyond this by sending messages that disappear after an allotted amount of time. This prevents you from having to manually delete the message at a later time, so y ...more

Thanks to Samsung's One UI, we can now experience firsthand what Android 9.0 Pie has to offer flagship Galaxy devices like the Note 9, S9, and S8. Perhaps one of the best features is something we've all been clamoring for: a system-wide dark theme that gives numerous apps and ...more

When the Galaxy S6 hype-train was building momentum ahead of the phone's release, many reports had Samsung cutting back on its much-maligned TouchWiz skin. In the end, these reports were either highly exaggerated or entirely fabricated, because while not as egregious as previo ...more

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of ...more

With every new Android update, hidden features are lurking under the surface. Google hides these options to prevent unnecessary tinkering by average users, leaving them in place for power users to discover. These secrets range from silly to really useful, with the latter openi ...more

Chief among iOS 14's excellent new features is the overhauled home screen. Now, you can add customizable widgets that live alongside your traditional apps, and both first-party and third-party apps can take advantage of it. Talk about an upgrade. They even work in the Today Vi ...more

As 2009 comes to a close, the Telegraph presents a compilation of this past year's wackiest inventions. As always, here at WonderHowTo, we are inspired and impressed by ingenuity. The contraptions below range from utter silliness (engagement ring bra) to downright amazing (see ...more