Scissors

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

The best chemistry experiments are those you can perform with items already laying around your house. With only some sugar, salt substitute and an instant cold pack, you can make your very own gunpowder! Being able to make homemade gunpowder without a trip to the store can be ...more

Let's say you forgot the code to your Master Lock combination padlock. What can you do besides buy another one? Well, there's a surprising abundance of ways to open a combination lock other than with just the combination, some of which will even let you reset the code. Of cour ...more

Bees are the key to pollination and healthy vegetation, and wasps may help by assisting in pest control, but despite their benefits in the world, they're still a real pain in the ass if they're in your face. This would probably warrant an expression stronger than "pain in the ...more

The artwork for Minnesota's Land O' Lakes butter packaging is classic, dating back to 1928 when it was first created by Brown & Bigelow illustrator Arthur C. Hanson. The logo was updated ("modernized") once in 1939, again in the '50s, and has undergone minor modifications here ...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

For anyone who uses computers regularly, the screen can become cluttered with different windows, tabs, and applications in no time. One solution to that mess is dual monitors, which allow users to be more organized and divide their work into two halves. The problem is that not ...more

Computer Science Professor Francesco De Comité has a fantastic gallery of mathematical images on Flickr. As part of this collection, he has a few hundred images of real or rendered polyhedra made out of paper or playing cards which he calls "slide togethers." These are constru ...more

One of the most useful new features Apple included on iOS 16 lets you instantly lift the subject out of a photo, separating it from the background. Once extracted, you can paste, save, or drop the cutout wherever you want as a new image, and you can even make it a sticker in m ...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

In my recent article, How to Make a Mini Cannon with a Lighter, I demonstrated how to make a powerful combustion cannon out of parts salvaged from a standard BBQ lighter. The mini cannon was originally made to fire airsoft pellets, but I felt it was time to revive the project ...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

Mechanical locks have been around since ancient Egypt, with the oldest known artifact found in the ruins of Nineveh, an ancient city in Assyria, Mesopotamia, which is just across the Tigris River from what is now Mosul, Iraq. It was a forerunner to our modern-day pin tumbler ...more

In the following video, I demonstrate how to create a device capable of charging the body of anyone who wears it with static electricity, allowing a powerful shock to be discharged into anything that is touched. This grants the wearer the ability to do some pretty amazing thin ...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

Nowadays, protecting your valuables can be challenging especially when you're on the go. That's why I decided to make a little secret compartment inside my car. Only you'll know it's there because nobody will be able to find it. Not only that, but you'll have easy access to it ...more

Who would have thought that dryer sheets can be a quick remedy for super-staticky flyaway hair? But it's true. It's all about the positive charges in the sheets and their ability to neutralize electron buildup. And that's not the only surprising quick fix for hair problems tha ...more

Americans consume over 1.2 billion pounds of potato chips each year, making it one of the most popular snack foods in the United States. If the entire population were addicted, it'd be about 4 pounds per person each year. Not everyone does, though, so it'd be more realistic t ...more

So, basically I was looking around on the internet trying to find out how to make more intricate bows, and found nothing but a whole lot of very confusing instructional posts with no pictures or videos. Here you'll learn how to make cute little bows for your pets, in 6 simple ...more

If you are a pet owner, going on vacation can be stressful. Usually, you need a friend or neighbor to come over everyday and feed your pets. However, by enslaving robots you can keep your pet happy and enjoy a stress-free holiday. Today, we make an automatic pet feeder from c ...more

Jezebel has compiled 8 user-posed questions that address not just the hair-down-there, but any and all shaving and waxing concerns. How do I avoid ingrown hairs? How can I remove lip/chin/facial hair without causing blemishes or scarring? How can I get my legs to stay smooth ...more

It's Monday, which means once again, it's time to highlight some of the recent community submissions posted to the Math Craft corkboard. I also thought that we'd try and create something known as an "Orderly Tangle" or "Polylink". This week we had a few submissions based off ...more

When temperatures drop and hit new lows during the cold, winter months, it's hard not to crank the heat up. That means increased energy bills each month, no matter if you rely on gas, electric, or another fuel for heating. Instead of resorting to blankets, coats, and layers u ...more

Planning on getting the iPhone 5, but want to keep your SIM card? The new nano-SIMs that manufacturers are adopting will be even smaller than the micro-SIMs that most of us currently use. It's fairly easy to cut a regular SIM down to a micro-SIM, but because the nano-SIM will ...more

Hello there, people. Today, I am going to show you how to extract the essence from a useful plant, using either alcohol or olive oil. This is how you take a plant and turn it into a useful (and preservable) medicine. For those of you who know nothing about herbal medicine, let ...more

With a little spare time and and a few items you can find around the house, you can make your own balloon-powered paper car. This is a great and easy DIY project that's perfect for competitive kids. All you'll need to get started is: Cardboard Straws Scotch tape Marker Paper ...more

Your closet is an area that holds important things such as keys, glasses, clothes and shoes. However, for some reason, it's always messy. Why is this? I know my closet is messy because I don’t have a lot of time to sit down and organize every little thing in there. I have neve ...more

The "slide-together" paper construction method is a fun and satisfying way to build 3D geometric objects. It only requires paper, scissors or an exacto knife, and some patience. In Tuesday's post, we explored the slide-together method, using ordinary playing cards to build th ...more

We've all made them. I remember making hundreds of paper snowflakes when I was in elementary school. You take a piece of paper and fold it in half, then fold it in half again. You now have a piece that is one fourth the size of the original. Now you fold it in half diagonally. ...more

Fingers are very useful for many things in life—but fingers get dirty. With most smartphone and tablets using touchscreen technology, our fingers have become our greatest technological asset. But if you want to keep your phone or tablet from looking like this: Then you can try ...more

Podcasts are back. The Rich Eisen Show, The Joe Rogan Experience and StarTalk Radio with Neil deGrasse Tyson make up just a tiny fraction of what's become an incredibly dense market, with these being some of the most popular available right now. While the reason for this sudd ...more

For many of you, the carving fork only comes out at Thanksgiving as an essential turkey-slicing aid. Perhaps you pull it out of the knife block to slice up the occasional roast. But the carving fork (also known as kitchen fork) can be used for many more tasks around the kitche ...more

Streaming media companies like Netflix and Hulu make deals with Roku to have their apps featured on Roku's remote controls, but there's an inherent flaw with this model: the buttons become useless if the app no longer exists. So, is there anything you can do to change those de ...more

I've never been much of a runner. I've tried running alone, with a partner, on busy sidewalks, and back country roads, but I just never got it. There are a few other forms of exercise I genuinely enjoy, but have yet to experience that "natural high" that avid runners are alway ...more

This article will teach you how to make an iPod video projector for about $6 (depending on what materials you have) that works pretty well. First off, you need to gather your materials. I had everything except the magnifying glass, which I bought for $3. Materials Cardboard ...more