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
A vending machine is an invaluable, yet totally frustrating piece of equipment. It's a godsend whenever your tummy's growling or you need an ice-cold drink on a hot summer day. But when something gets stuck inside or the machine flat out malfunctions, it quickly becomes your a ...more
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 investigato ...more
What happens when you find your ball deflated and there's no pump or needle in sight? You could always cancel your plans of kicking around the soccer ball or starting that pickup football game in the park. Better yet, you could be terribly clever and find another way to get ai ...more
The very first banknotes were used by the Chinese in the 7th century, during the Tang Dynasty. Before it was used as a true currency, paper money was used as part of a deposit system in which merchants would leave large amounts of coins with a trusted associate and receive a p ...more
Modular origami is a technique that can be used to build some pretty interesting and impressive models of mathematical objects. In modular origami, you combine multiple units folded from single pieces of paper into more complicated forms. The Sonobe unit is a simple example un ...more
Once when I was a kid, my dad used a glue trap to catch a mouse in our basement. The result was so awful for the mouse that my mom and I made him promise to never use that kind of trap again. Call me a softy, but I'm a firm believer that you don't have to kill pests to get rid ...more
Craving candy but have no change? Then listen closely to this hack. This con how-to video shows you how to hack a candy machine by creating fake quarters. This hack trick should also work on parking meters. Never pay for candy or meters again. Watch this video tutorial and lea ...more
Curve stitching is a form of string art where smooth curves are created through the use of straight lines. It is taught in many Junior High and High School art classes. I discovered it when my math students started showing me the geometric art they had created. The process of ...more
Cheese is one of the most loved foods in the world, and there are hundreds of different types. Some prefer super expensive gourmet cheeses, others are fine with the cheaper processed stuff. Whether it's an imported wedge from the cheese counter or pre-sliced from the deli, yo ...more
Love or hate 'em, you've got to admit that cupcakes really had their moment. They started rising in popularity back in 2003 with the opening of Crumbs Bake Shop in Manhattan, and quickly became one of the most annoyingly ubiquitous food trends to date. Seriously. Type "cupcake ...more
Everyone knows how to make paper snowflakes, but the kind you learned to cut in kindergarten can get a little boring. However, they are free DIY holiday decorations, and they don't have to be a generic snowflake design. They can be anything you want, from nerdy math kirigami t ...more
At the recent DefCon conference in Las Vegas, researchers opened many of the top commercially available gun safes with simple tools like a straw or a paper clip, and in one case, just by shaking it a bit. The investigation began after the researchers, Toby Bluzmanis, Marc Tobi ...more
When I was moving into my current apartment, I had to store some of my things in my ex-roommate's garage for over a month while I was getting settled. One of those things was my dresser. Upon moving it into my new place, I realized something was horribly, horribly wrong—none o ...more
For really ornate tattoos, or for artists with limited skill, a transfer can be a life-saver. This how-to video shows how to transfer the desired image of a tattoo from a piece of paper that is easy to sketch on to the skin where it can then be traced with a tattoo gun. You wi ...more
Itching to make your own guerrilla-style street art on the side of buildings, freeway overpasses, and abandoned billboards? The beauty of street art is that you don't need an expensive canvas or frame to display your creative expression. Computer paper, masking tape, and oil- ...more
For me, the worst thing about makeup has always been taking it off. It's always that one last thing you have to do before you go to bed, and if you don't, you instantly regret it when you wake up. When you're tired, makeup removing wipes are a godsend because they're so quick. ...more
Demonstrator Caitlin offers a tutorial on how to remove fake nails you purchased from your local drug or beauty supply store and applied yourself, safely. You start with putting an acetone based nail polish remover in a paper cup and where you soak your nail in the cup. You ca ...more
This thorough tutorial video series demonstrates how to make a beautiful, realistic paper MP5 gun. This tutorial is broken up into 7 videos, so be sure to click through all of the chapters for the full tutorial. Paper guns are fun to make and can look very realistic (and perfo ...more
A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more
The best part about April Fool's Day is that everyone is fair game. Even big tech companies like Google and Twitter get in on the action every year. It encourages even the most uptight, unfunny party-poopers among us to have a little fun driving each other crazy with pranks — ...more
This thorough tutorial video series demonstrates how to make a beautiful, realistic paper M16A2 gun. This tutorial is broken up into 8 videos, so be sure to click through all of the chapters for the full tutorial. Paper guns are fun to make and can look very realistic (and per ...more
Need a smoke, but no one has any matches and your lighter is fresh out of fuel? This how-to video has got a cool trick you can perform to light your cigarette if you ever run out of lighter fluid. Despite the lighter being out of gas, you can still make a fire to light your ci ...more
Welcome to Math Craft World! This community is dedicated to the exploration of mathematically inspired art and architecture through projects, community submissions, and inspirational posts related to the topic at hand. Every week, there will be approximately four posts accordi ...more
This video shows how to make an origami swan using 471 paper triangles. Your loved one will appreciate this gift because you put in a tremendous amount of effort, dedication and patience required for origami, but its easy to assemble and the only money you will spend is cost o ...more
Aluminum foil is one of those things that every cook, experienced or just starting out, has in their kitchen. And while we may think we know how useful this handy material can be, there are hundreds of ways we could be utilizing tinfoil to make our lives a whole lot easier. 1 ...more
I'll be honest—I've never been a huge fan of camping. It's not that I have anything against nature, I'm just partial to showering and sleeping in my own bed. In fact, the only part of camping I've ever really enjoyed is sitting around a campfire. Outdoor fires are perfect for ...more
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. Although that particular method doesn't seem to work, that doesn't mean you can't make your own speaker for le ...more
Every day we pass bridges, whether it's a foot bridge, a highway overpass, a span over water, or a viaduct over a valley. We pass on these structures without even thinking of the engineering genius that went into their design and construction, let alone the science behind thei ...more
In this article you will learn how to understand written origami instructions, called diagrams. You can follow the video below or read the entire article Video: . History of Origami-Diagramming While many do not realize, the now accepted system of explaining how to fold origa ...more
Watch this video to see how to make a paper flower pop-up card. To make things even better, you only need one piece of paper to accomplish this pop up paper card flower. Just grab your one piece of paper, some scissors and some glue and you're ready to make awesome flower cards.
We've all attempted to fold a paper airplane before, right? One we hoped would sail majestically through the air for a good while but just ended up nose-diving into the grass. Paper planes, an invention likely as old as paper, are models of engineering; and they must account f ...more
If you're a huge fan of Minecraft, then you probably know what a Creeper is and, therefore, want to be one for Halloween. After all, not everyone can be Steves and Snow Golems. This version uses printouts (templates below the video), and is very easy to make. Besides ink and p ...more
Create a miniature hover craft from the fan, polystrene or Styrofoam plate, batteries and double-sided scotch tape. It really works. Powered by two 9 volt batteries you can use paper plates for the body of the hovercraft if need be. This is a cool cat toy or just a household h ...more
The Ancient Paper shows you how to make a paper Colt 1911 slide mechanism for his paper gun. Check out his Colt 1911 paper gun. His cool replica Colt paper gun is easy to figure out, but to get it working, this video will help you through the difficult task of the slide mechan ...more
Cast iron is one of the best surfaces to cook on, but taking care of it is a whole 'nother story. It's not as simple as just washing it in soapy water like all of your other pans, and everyone has different ideas about how it should be done. It seems intimidating at first, but ...more
Last summer, Universal Pictures released the sequel to the popular 2010 animated film Despicable Me, bringing back everyone's favorite characters—the Minions. They're adorable, yellow, and they speak a gibberish "Banana Language." What's not to love? If you're planning on dres ...more
Watch this video and see how easy it is to make this paper toy. It looks like an origami flower, but it is a tad more complex. Have fun playing with it.
Black lights come in all shapes and sizes, and are useful in a variety of ways—they can help you spot fake currency, urine stains, interesting rocks, deadly scorpions, or even just some cool fluorescent artwork. Most black lights work using a filter or coating over the bulb t ...more
Most of us lead busy, work-filled lives, often clocking in a 9-to-5 five days a week. And when that clock signifies the hour to leave, the last thing on anyone's mind is: "Time to go to the grocery store to pick up more fresh produce!" (Well, to be fair... maybe more people ar ...more
A single paper clip can go a long way. Having just one of these ubiquitous office supplies can make you a smartphone mount, replace your broken zipper tab, scratch your lottery ticket, and eject the CD from your stuck DVD drive. Multiple paper clips chained together can make ...more
Paper rolls in a circle to close modem will help to increase the interference WiFi up a lot. This helps to increase your WiFI range and signal strength is low. This is a parabolic antenna to reflect the signal in the direction of your laptop.
Personification of the Infinite Consciousness. Lord of Hosts. Master of the Universe. These are just three of the hundred-odd titles of the Hindu god Ganesha. Luckily, drawing the Hindu deity Ganesha isn't so complicated. The patron god of art and wisdom, Ganesha is known in ...more
To play off Gertrude Stein's famous quote, a rose is a rose is a magic paper cube. And with this paper folder's guide, you'll learn how to make your very own magic rose cube from paper using the Japanese art of origami. This design by Valerie Vann, and folded by YouTuber Germa ...more
This aircraft origami masterpiece is a JKF-18 Hornet, which is modeled after the McDonnell Douglas F/A-18 Hornet] supersonic fighter jet used by the United States Navy and Marine Corps, along with the Royal Australian Air Force and Spanish Air Force. It's a fantastic plane—but ...more
As exciting as it can be to crack open a beer, there's nothing fun about wandering around a party and asking other partygoers for a bottle opener. Don't worry, we've got you covered: here are 10 crazy ways to get to drinking while impressing your friends with your ingenuity. ...more
Tutorial of how to quickly make and Origami Magic Ball! Get a piece of 20x40cm paper. Fold along side in 32 equal parts, by repeatedly folding the paper in half - using genderless folds. Fold the short side in 8 equal parts- using valley folds. Turn the sheet over and start di ...more
For origami lovers, watch this how-to video to learn how easy it is to make beautiful and colorful paper flowers. Follow along with the demonstrations, and give it a hand yourself. It's not traditional origami, because you'll need scissors. Watch this video tutorial and learn ...more
This is an amazing experiment! Make a motor from a plastic cup. What is needed? Use two empty cola cans, a plastic (paper) cup, a ball-point pen, and more!
Want to make the coolest paper airplane? This tutorial will show you how to make a paper f16 and you'll be flying in under 3 minutes. This passed our cargo test by traveling with an eraser load.
This video tutorial will show you how you can build a rocket from trash. That's right... trash. To make the rocket, you'll need a paper towel roll (or three toilet paper rolls), a spray can cap, a model rocket engine, scrap cardboard or wood pieces, hot glue gun with glue, a s ...more
Looking for a tough-guy (or tough-girl) craft project? You're in luck. With this guide, you'll learn how to make a paper army tank with origami, the traditional art of Japanese paper folding. For more information, including a step-by-step overview of the folding process, as we ...more
Follow along with me here as I demonstrate how to roll a perfect, Amsterdam-style cone spliff, every single time. These will burn perfectly all the way down to the crutch and smoke perfectly. It's no secret as to why this method is the favorite way to smoke among true European ...more
Watch this video tutorial to learn how to make a paper gun that fires! Yes, this homemade paper gun actually shoots paper bullets. You'll need paper, tape, and a pair of scissors to make this cool shooting paper gun.
On the iPhone, the Reminder app is a great way to keep track of your to-do list. I use it for a bunch of crap I forget, like picking up a must-have item at the store or calling or emailing my friends back. But, even with the Reminder's alarm set, that push notification to the ...more
Paper clips and any kind of power adapter that gives 5 volts will do the job for charging your phone battery. Video: . Make sure you subscribe to my YouTube channel for more awesome videos from the macobt projects!
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
Looking to add a rare and exotic specimen to your paper garden? Make a 3D origami lotus flower with origami, the traditional Japanese folk art of paper folding. This free origami video lesson presents complete instructions on how to make your own lotus flowers from 6 4x7" shee ...more
I'm a firm believer that a sandwich is the ultimate food. It's filling, but not heavy; it has carbs, protein, veggies, and sauces; and it's easily customizable. Add that all up and you've got the absolutely perfect lunch. Yet like most great things in life, there's a “but” th ...more
Check out this video from CouponCodesHero on hacking a vending machine in no time. All you need is a little packing tape and some paper money, then fool the machine to either get free stuff, or use the "change" to get free money! Video: .