Curve a Cue Ball

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

Halloween is coming up, so many of you may have a need or desire to carve a pumpkin and turn it into a Jack O' Lantern. This week we are going to explore carving our pumpkins into interesting geometric shapes. In this post, we will carve the pumpkins into spherical versions of ...more

Here's my version of his icosahedron: I colored it in this one so that you can see the pentagonal faces of a dodecahedron: Here I made one that looks like a cube: Some of my students asked me how to make these and they took it a step further and made something based off of ...more

In this article, I'll show you how to make a glowing orb. The orb is a fun, round flashlight useful for lighting your path in a magical way. Consisting simply of LEDs, a tennis ball, a battery and a switch, it's a great simple project for beginners with electronics. Here's a v ...more

Want to get back at your teacher for setting a ridiculously difficult test? Why waste time? Do it during the exam. There's really no particular order below, just so you know. 10. The Elder Wand As far as this kid's academic prospects go, Skyrim's the limit. BAAAZINNNGG! Ima ...more

In honor of the new Astronomy World, I thought we should look at a few planetary icosahedrons. The icosahedron is the most round of the Platonic solids with twenty faces, thus has the smallest dihedral angles. This allows it to unfold into a flat map with a reasonably acceptab ...more

It's once again Monday, which means it's time to highlight some of the most recent community submissions posted to the Math Craft corkboard. Since two of these posts were on polyhedral versions of M.C. Escher's tessellations, I thought we'd take a look at building a simple tes ...more

Last post, the Sonobe unit was introduced as a way to use multiple copies of a simply folded piece of paper to make geometric objects. In this post, we are going to explore that concept further by making two more geometric models. The first is the truncated icosahedron, which ...more

The game has undergone many transitions over the years, since its days as LEXIKO (1931) to its briefness as CRISS CROSS WORDS to its current and amalgamated, renowned brand of SCRABBLE. There has been many editions of the word board game along that historic metamorphosis, and ...more

If you're like me, you were disappointed when NASA cut their human space flight program. No longer could children and adults in dead-end jobs dream of someday walking on the surface of the Moon or drinking floating globules of water through a straw. Homo sapiens as a species a ...more

Bottled water is a rip-off. Not only is it pretty much the same stuff that comes out of your tap for free, but plastic bottles are rarely recycled and thus account for a huge amount of the waste that's overflowing our landfills. Next Up: Water Bottles You Can Eat Fortunately, ...more

The Asana mobile app lets you manage your projects with the same functionality as the website. Most features are pretty straightforward, thanks to Asana keeping the same design cues from the web app. However, one element is very easy to miss: adding subtasks. Adding subtasks ...more

When Treasury Wine Estates released 19 Crimes Snoop Cali Red this summer, named for its new partner in wine, rapper Snoop Dogg, it already came with the brand's signature AR-enhanced label. Now, with an assist from creative studio Tactic and the web-based AR platform from 8th ...more

A week into my internship, I experienced pretty serious back pain and slight difficulty breathing. I scheduled a doctor's appointment to make sure nothing was wrong, and I got a surprising diagnosis: bad posture. Yep, slouching at my desk had caused all of my maladies. In an ...more

Samsung has made curved displays a signature element of their flagship phones, but the Edge Screen, as it's called, has proven to be a magnet for accidental touches. Fortunately, Samsung has developed a little known app to help prevent this problem. The app — aptly named Edge ...more

You may remember string art from your elementary school days. If so, it probably makes you think of the 2D geometrical designs that took every ounce of patience you had as a kid. Or those laborious curve stitch drawings, which string art was actually birthed from. But thanks t ...more

For people that like to get things done, Android's home screen widgets are almost indispensable. Rather than packing your launcher with a bunch of icons, you can utilize widgets to get quick information in a beautiful package or provide one-tap access to a particular functiona ...more

Although your friends might roll their eyes every time you talk about playing Clash of Clans, Call of Duty, or Candy Crush Saga, your excessive gaming habits might actually be making you healthier than everyone else. I've got your attention now, right? Read on for 8 insanely ...more

Waymo revealed more clues about its future business model after it said yesterday it plans to kill its Firefly pod-like car project and focus more closely on offering driverless systems for commercially available car and truck models. A blog post published yesterday by Waymo' ...more

Apple has a sterling reputation when it comes to managing its supply chain; it's where CEO Tim Cook proved his mettle to succeed Steve Jobs. Now, the company has made a strategic investment with a supplier that will be crucial to its future plans for AR wearables. While Apple ...more

This Halloween, Belle costumes will be out in full force as devoted Beauty and the Beast fans represent the tale as old as time. Not only was the live-action version of the animated classic the top-grossing film of 2017 (so far), it's also likely to be a contender during award ...more

Overall, iOS is more impressive than ever with its stability enhancements, security tools, suite of apps and services, and intuitive user interface. With each passing update, things just get better and better for iPhone users. But don't think for a second that this is all beca ...more

In Guardians of the Galaxy Vol. 2, Mantis resides in the shadow of an Ego who considers himself the actual heart of the universe. But when it comes Halloween costumes? Mantis will be the center of attention every time. The internet sure has noticed Mantis, and it's abuzz with ...more

Fresh, homemade pasta definitely beats the dried stuff from the store. However, most of us aren't usually in the mood to knead dough for 10 minutes... or to clean up a sticky, doughy, floury mess afterward. Lucky for us, there's an easier and cleaner way to make pasta in a qu ...more

Samsung Experience (better known as TouchWiz) can take some time to get used to when you switch to a Galaxy from another Android device. It's a bit heavy-handed with the features, and many consider the UI theme to be a little over the top. Thankfully, there are several stock s ...more

Safari's massive upgrade in Apple's latest iPhone software update includes new features you won't find in any other web browsers on iOS, from better ways to stay organized to enhanced security and further privacy protections. Apple's latest Safari improvements make web browsi ...more

People fundamentally distrust magicians. And they should. The illusions they proffer are just that, illusions meant to astound rather than tangible interactions and results that have weight and meaning in our real world. Our lizard brains know this, and, no matter what the out ...more

It feels strange to be walking through an open field in a small village in the English countryside. There's no one else around — just the four of us: me, my husband, my 12-year-old son, and my adult niece. The day is spectacular, particularly for England. The sun is shining, a ...more

As I said in this earlier post, there's no easy way to explain or define the Steampunk aesthetic. There are a large number of Steampunk tropes or "cues", as I call them, that bring to mind the feeling of Steampunk. These cues combine to push past the "not-Steampunk" threshold ...more

If you have a modern iPhone, you have an excellent video recorder at your disposal. Every iPhone since the 6S has the ability to shoot in 4K resolution, and each new iteration has brought new capabilities to the table. But even the best mobile shooter can use a little extra he ...more