Secret Bookcase Door

Do you do last minute cramming before you go to the dentist? No, I don't mean reading up on orthodontia in hopes of having an intellectual conversation about crowns with your dentist (how you can talk at all with all those tools in your mouth is beyond me, though dentists alwa ...more

Sometimes a simple drowning trap is too boring, and you want something that's a little more stylish and exciting. That's where this trap comes in! This is what I like to call "The Mangler". It consists of a set of pistons that chomp together, literally chewing up your enemies ...more

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

Thanks to the internet and its increasingly lack of privacy, secrets don't even seem safe in our own homes anymore. So how do you hide your secrets, stash your cash, or keep your valuable jewelry out of sight where no one can find it? Well, the answer might be right above you. ...more

Yes, boys. It’s true. It’s here. IT’S FOR REAL!! I am here to provide a list of things that boys should do (meaning they don’t do these things very often, probably why us girls think it’s adorable when they do) when they are pursuing one of us lovely ladies. There is a lot mo ...more

First off—Happy Independence Day! Since it's the 4th of July, let's make this week's roundup short and sweet, so you can all get back to your holiday festivities. Things to Do on WonderHowTo WonderHowTo is a how-to website made up of niche communities called Worlds, with top ...more

"After driving onto frozen river, man locks keys in car, engine melts ice." - Detroit Free Press. Avoid such a fate. Here is the secret on getting back into your car. All you need is a police-issue slim jim or a wire clothes hanger. The former takes little finagling. It's mad ...more

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more

At the beginning of regular gameplay in Grand Theft Auto 5, you play the role of Michael robbing a bank in North Yankton with his accomplices—shooting police and evading a high-speed train in the process. While you do revisit North Yankton during regular gameplay in Los Santos ...more

If you're like me, you have a secret dream of living in a house completely covered wall-to-wall and carpet-to-carpet in bubble wrap. Until you have enough of that pliable transparent plastic with air-filled bubbles, there are some truly practical things you can do with the lit ...more

Next to things like natural disasters and disease, the specter of war is one of the only things that threatens to derail the 21st century's long stretch of technological innovation. Now a new app is using augmented reality to remind us of that by focusing on those most impacte ...more

Few companies have maintained such intense secrecy, in the face of such extreme hype, as Magic Leap, but the closer their mysterious Mixed Reality product comes to mass production, the harder it becomes to hide the details. Hopefully we'll find out way more details soon, as a ...more

Remember the 1960's American television series Batman, with Adam West as Bruce Wayne? It was waaaaay before my time. The caped crusader that I'm more familiar with is actually this one... When I first heard of Adam West, it was him doing the Batusi on The Simpsons. I had no id ...more

Video: . How to caulk. How to apply caulk. Caulking., An Uncle Knackers Exclusive!. No longer does caulk / silicone need to end up all over you or over your mum's new carpet. This technique can be used for things like caulking bathroom tub or shower caulking etc.What you will ...more

Suddenly, Magic Leap's lawsuit against Nreal, as well as its barrier to entry in the Chinese market, appears to be as insurmountable as The Great Wall itself. On Friday, Nreal revealed that it is partnering with China Unicom, China's fifth-largest wireless provider, to bring ...more

Wegmans recently partnered with Instacart, an online grocery-delivery app, to bring your groceries right to you. The collaboration will begin in the suburbs around Washington, DC, and Wegmans plans to expand to other areas later on. No doubt about it, grocery shopping can be ...more

When you're driving, the last thing you need to be doing is messing around with your phone. But these days, people expect you to be available at all times, so the text messages continue to flow in while you're on the road. It's a terrible distraction, and one that is responsib ...more

When it comes to proper tomato storage, conventional kitchen wisdom (and Alton Brown) state that tomatoes are best stored at room temperature—not in the refrigerator. Supposedly, refrigerated tomatoes develop a mealy texture and lose their flavor if they are exposed to cooler ...more

Taking care of your car requires effort, whether you take it to the pros for washes, waxes, and detailing, or you spend time to make it shine yourself—and it often seems that, right after your car is sparkling again, rain or midnight moisture appears to cover its surface in wa ...more

Watermelons scream summer like no other fruit, and there's nothing like biting into a sweet one on a hot summer day. Although there's no exact right way to cut watermelon, there are many occasions when you might not want to cut it into wedges. It may be the classic cut, but th ...more

There comes a time in relationships when two people decide to move in together, and when this happens, you learn two things: Your perfect, wonderful, adorable significant other is a disgusting, messy pig. Your significant other thinks the same about you. So how do you make s ...more

As cryptocurrencies gain mainstream acceptance, it's not far-fetched to think that we'll one day be able to buy alt coins like Ripple (XRP) and Stellar (XLM) using debit cards and bank accounts. Until then, we'll have to rely on using bitcoins and ethereum to buy digital coins ...more

Love is the spice of life — it is also the microbes that couples share through sickness and in health, through the bathroom and in a hallway. The skin is our largest body organ. Your skin is the most significant protective barrier between squishy, vulnerable innards and a pat ...more

A vulnerability in the design of LiDAR components in driverless cars is far worse than anything we've seen yet outside of the CAN bus sphere — with a potentially deadly consequence if exploited. The hack is also going to be hard to fix, researchers Hocheol Shin, Dohyun Kim, Y ...more

On October 17, 1943, a story in the New York Herald Tribune read "Many laymen — husbands, wives, parents, brothers, sisters, friends — beg Dr. Keefer for penicillin," according to the American Chemical Society. Dr. Chester Keefer of Boston was responsible for rationing the new ...more

The squiggly guys in this article's cover image are Propionibacterium acnes. These bacteria live in low-oxygen conditions at the base of hair follicles all over your body. They mind their own business, eating cellular debris and sebum, the oily stuff secreted by sebaceous glan ...more

I mentioned in one of my earlier articles something about ghost hackers, and very shortly stated a thing or two of what they do. Sit back because this is a very long article Now I want to tell you how to become one. What Is a Ghost Hacker? First you need to understand who t ...more

Wet shoes are uncomfortable, no one can deny that. Just think about walking around with soaking wet footwear ... and each squishy step you take. Makes you cringe, doesn't it? It can happen in heavy rain, at the beach, or from an unforeseen puddle on the street. And while you c ...more

An average user's smartphone tinkering doesn't go much further than taking their phones out of the box, signing into their account, and installing apps. But some of us want more functionality and customizability than the basic experience provided by Android and iOS. Thankfull ...more

My husband's and my daily schedules are constantly changing. Frankly, it's complete chaos sometimes, so I can't plan to have elaborate dinners on the table at six o'clock every day. And by the time we actually get to eating in the evening, we've become so hungry that our moods ...more

With Passover soon upon us, many Jews are dreading a week (or eight days for Conservative and Orthodox Jews) of making matzo, the staple of their diet. Matzo is also known as "the bread of affliction," and I'm pretty sure it's because by day three or so you're convinced that m ...more

I'm starting to wonder if the people at Boston Dynamics have ever watched a Terminator movie. Not just because the robotics company with the oxymoronic name develops machines that are able to move around environments with animal- and human-like agility, but because the people ...more

Social engineering makes headlines because human behavior is often the weakest link of even well-defended targets. Automated social engineering tools can help reclusive hackers touch these techniques, but the study of how to hack human interactions in person is often ignored. ...more

It's no secret that devices leak data, but sometimes they do so in ways you may not expect. Your phone, laptop, printer, and IOT devices leak Wi-Fi information that can (and is) used to track you. Today, we'll make a Wi-Fi probe logger with Probemon.py to track nearby devices ...more

Pumpkin carving and decorating is a favorite October pastime. After you've carved an amazing design or face into a pumpkin or two, you want to show it off through your window or set it out on your porch for the neighbors to see. But, without knowing the tricks to save your ho ...more

The origins of vodka are shrouded in mystery, with both Russia and Poland laying claim to its invention. Some say Genovese merchants brought vodka (then known as aqua vitae, or the water of life) in the late fourteenth century to Russia. For many years, vodka wasn't just an al ...more

The microwave oven is a monumental technological achievement that's saved college students and single people from starvation for decades. Almost 97% of all American households have one, which makes it the most-owned kitchen appliance in US homes right after the refrigerator. ...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

The march of Amazon to insert itself into nearly every retail arena continues with the e-commerce giant's latest move to launch its own brick-and-mortar beauty salons. However, this new initiative isn't limited to simply facilitating transactions at real-world locations, inst ...more

Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more

It's easy to have your password stolen. Important people like executives, government workers, journalists, and activists face sophisticated phishing attacks to compromise their online accounts, often targeting Google account credentials. To reduce this risk, Google created the ...more

Puzzle games are great at giving your brain a workout while keeping things fun and killing time. They stimulate your noggin as you strategize and plan your next move, whether it's to keep your character from getting killed, or to get that special item to finally complete your ...more

The oven is arguably our most essential kitchen appliance (right alongside the fridge, freezer, and yes, even the microwave). But even though we've been using them for a few millennia, many of us know so little about our ovens that our cooking or baking can feel like a roll of ...more

A spare key is one of those things that never seems like a huge deal until you need it. If you've ever lost your keys, had them stolen, or locked yourself out of your house or car, you know how difficult and embarrassing it can be trying to get your door open. So, how would y ...more

Now that Bard — Google's response to the revolutionary ChatGPT generative AI chatbot — is out in the wild, it's beginning to let its freak flag fly. Sure, Google wants us to know that its generative artificial intelligence chatbot can write blog posts about summer mocktail re ...more

One could argue that, at least for the moment, software development is more important to the augmented reality experience than hardware. Since a viable augmented reality headset has yet to emerge for the broader, mainstream consumer market, currently, the same devices that mak ...more

It is almost indisputable that smartglasses and head-worn displays are the future of augmented reality. However, at this precise moment, they are still a very niche market. Those who have been in the presence of a HoloLens, Meta 2, or Magic Leap One have witnessed how powerfu ...more

The gig economy is thriving, and if you aren't already making money with your phone, you could be missing out on easy residual income. Some people just want extra cash, and some even manage to completely ditch the 9–5, enabling them to work at their own pace and set their own ...more

In the previous article, we learned how to set up our VPS, configure our PHP server, and developed an in-depth understanding of how the payload works. With all that taken care of, we can get into disguising our payload to appear as an image and crafting the note in the greetin ...more

Spoofed phone calls originate from one source that's disguising its phone number as a different one, and you probably get these calls all the time. Maybe they're numbers from your local area code or for prominent businesses, but the callers are just hijacking those digits to f ...more

It feels like just yesterday Apple unveiled iOS 13 to the world, introducing game-changing features like system-wide dark mode and enhanced editing tools in Photos. But WWDC 2020 is rapidly approaching, which means iOS 14 is as well. As it turns out, we don't need to wait for ...more

Silence spreads over these mountains like nothing I've ever felt. If I didn't have Moby blasting in my earphones, there'd probably be no other sounds around. Well, except for someone, Phil probably, murmuring in a nearby tent just low enough to make his words indiscernible. W ...more

An invaluable button on your iPhone can do hundreds, even thousands of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more

Apple's Siri is well-versed in the spells of the Wizarding World of Harry Potter, but it's not like Android users are Muggles. Google Assistant, Android's virtual concierge, can cast a few spells out of the box, and it can learn the spells it doesn't know quicker than a year o ...more

You might think that you have your microwave all figured out, but chances are you don't know all of its secrets. Some microwave tricks are truly hidden; obscure information nowhere to be seen in the user manuals. Other tricks are hiding in plain sight, often overlooked or toss ...more

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more

The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more. Many of the exciting changes in iOS 17.4, as well as iPadOS 17.4, apply to users in the ...more

The year 2020 was a pivotal span of time during which the word "virtual" took on a brand new meaning. Instead of referring to VR or augmented reality, the term was hijacked to describe meeting across long distances through a variety of software tools, most often through video. ...more