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."
Flickr exists, in part, because I needed a photo-sharing tool to help me woo my long-distance girlfriend, who later became my wife, and whom I've been with now for 15 years -- so I have watched the service's long decline and neglect at the hands of Yahoo, and then its sale to the loathsome telco […]
I was a teenaged page at the North York Central Library in suburban Toronto, working in the Business and Urban Affairs section, shelving books, taping together newspapers while we waited for their microfilm versions to arrive, and fiddling around with the newly installed (and poorly documented) computerised catalogue/lending system -- I worked there with many […]
The contagion is spreading: Arizona is the latest red state where teachers -- backed by immense public sympathy -- are staging first-of-its-kind state walkout, protesting against the very idea of neoliberal austerity, recognizing that with the GOP running their state and their nation, that the problem is Republicanism, not some local phenomenon.
Our world is a colorful one, and when it comes time to repaint the house or create a new design, many of us look to our surroundings for inspiration. However, matching colors from the outside world to our canvas isn’t the most precise process when we’re just eyeballing it. The Nix Pro Color Sensor removes the […]
You probably remember the Twisty Glass Blunt since we love to write about it. And you may also remember its little buddy, the Twisty Glass Mini. Well, today we’ve got a fun surprise that isn’t so little. Less isn’t always more, and on those days when you need to decompress with a good smoke, the Twisty XL […]
Another year, another iteration of Samsung’s Galaxy smartphone—except this time around Samsung sought to redefine what a smartphone can do completely. Boasting a 6.2″ Quad HD+ Super AMOLED (2960×1440) infinity display, and an elite 10nm 64-bit Octa-Core Processor with 6GB RAM, the S9+ is an absolute powerhouse with a price tag to match. However, you […]