Hidden Compartment

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

Someday, maybe not today, maybe not tomorrow, but someday, you'll find yourself on the road in your car, maybe on the highway, and you'll hear something. With your air conditioning on full blast and your stereo so loud your ears feel like they are bleeding, you normally would ...more

The average cost of a wedding cake is $543, according to The Bridal Association of America. The more people you need to feed and the more elaborate you want your cake to be, the more it will cost you. I recently found out about the genius of "fake cakes." Fake cakes are made ...more

Reflections can make lifeless photos come to life or add a point of interest to an otherwise uninteresting photograph. They can also be used to distort one's perspective. With a mixture of a little imagination and science, some beautiful reflection shots can be created. This w ...more

Want to secure your home? There are plenty of ways to go about it. You can make your doorbell send you a text if someone rings it while you're not home, or build a motion-triggered security camera. Even better, you can beat potential crooks at their own game by installing a do ...more

You may be familiar with image-based or audio-based steganography, the art of hiding messages or code inside of pictures, but that's not the only way to conceal secret communications. With zero-width characters, we can use text-based steganography to stash hidden information i ...more

There is something special about a secret knock. It gets you into secret super villain meetings and is a surefire way to test for rotating bookcase passages. Secret knocks usually work with an intimidating drug lord and for policeman listening at the door for the correct patte ...more

Sometimes the best way to hide things is in plain sight. Whether you're trying to sneak some medication past security at a concert with a zero-tolerance policy, or you're just worried that maybe Omar comin', YouTuber MrGear has a clever way to put your mind at ease. In the vi ...more

Phone in one pocket, wallet in the other? It's the classic combo guaranteed to give you more pocket bulge. But it's 2024. Half that stuff in your wallet is practically antique. It's time to finally ditch all the dead weight and get a MagSafe wallet for iPhone — and we've got t ...more

We've seen all the Magic Leap One glamour shots, and we've even shown you a bit of what it looks like to view augmented reality on the device. But there's something else us super geeks appreciate more than anyone else: the grand unboxing! I met Magic Leap's Enjoy representati ...more

Look, tests are no fun, and doing poorly on them is rarely an option. Whether you're studious or a slacker, everyone needs a little boost now and again. While students have found ways to cheat as long as tests have existed, the invention of smartphones has greatly enhanced the ...more

The guitar is a double-edged sword. I've played all my life, and though I love the act of guitar playing, there are quite a few people I could live with never hearing play again—ever. Paradoxically, it seems that the less dexterous and committed to practicing are the more lik ...more

There are nearly 100,000 unique onion service addresses online with over two million people using Tor every single day. Join me as I explore a small fraction of what the Tor network has to offer. It's puzzling to imagine about 100,000 .onion websites in existence. Readers who ...more

The bumper for bObsweep Pethair and Standard are installed the same way. It holds the sensors that allow Bob to see any obstacles in his path. If a repair of the wall detection sensors is needed, the steps for replacing the whole bumper are the same when working on either bObs ...more