A ball that inverts and changes color when it is midair, and the scientific literature that explains itOn April 3, 2018 by Kenna
The Hoberman Switch Pitch Throwing Ball is a $12 toy that instantiates a dual polyhedron: every time you throw it, it turns inside-out; there’s a wealth of scientific literature that explains how this works, including this open-access paper from the Journal of the International Association for Shell and Spatial Structures. Here’s JWZ’s summary: “The curved body panels that make it look like a sphere hide an internal structure that is a cube; or really, two tetrahedrons embedded in a cube; and when it its its activation energy, the tetrahedron becomes its dual, swapping faces and vertices.”
The Tentacuddle is another of Thinkgeek’s not-April-Fools products launched on Apr 1 but seriously for realsies; it’s $60, acrylic, 40″^2 plus five two-foot-long besuckered tentacles whose terminal apertures will admit your own appendages for eating or other manipulative/ambulatory tasks, and it’s machine washable.
The 2017 Hugo nominees were announced yesterday; attendees at this year’s World Science Fiction Convention in San Jose, California will choose from among them to pick this year’s Hugo Award winners.
Mediasmarts (previously), a Canadian media literacy nonprofit, has just released Data Defenders, a timely video game about data collection and targeting aimed at kids in grades 4-6.
There are plenty of ways to enhance your efficiency at work, but few are as simple as swapping out your keyboard. Lofree’s Four Seasons Wireless Keyboard is designed from the ground up to enhance your words per minute (WPM) while making for a more comfortable typing experience. And, you can get it on sale today for […]
When it comes time to unclog a drain or figure out what’s going on inside your car’s engine, the human eye can only see so much, and our hands, while maneuverable, aren’t necessarily built for snaking around tight spaces. Therein lies the value of having a Wi-Fi HD Waterproof Endoscopic Camera. Whether you need to diagnose […]
There are plenty of us out there who enjoy the look of vintage speakers, but using them today isn’t necessarily practical. However, that’s not to say you can’t add some 1950’s flair to your listening setup. The Lofree Poison aims to combine a vintage aesthetic with 21st-century technology, and it’s on sale for $79.99 in the […]