An effort to describe the diversity of birds led to one of the first modern color systems. Published by Smithsonian ornithologist Robert Ridgway in 1886, A Nomenclature of Colors for Naturalists categorizes 186 colors alongside diagrams of birds. In 1912, Ridgway self-published an expanded version for a broader audience — Color Standards and Color Nomenclature — that included 1,115 colors. Some referenced birds, like “Warbler Green” and “Jay Blue,” while others corresponded to nature, as in “Bone Brown” and “Storm Gray.”
Color systems date back centuries, at least to Richard Waller’s 1686 Tabula colorum physiologica. Yet bird-watching hones a sharp eye for color differentiation, so Ridgway had an edge — as well as a drive for perfection enabled by 19th-century synthetic dye advancements. This new color technology wasn’t without its dangers. One sample in Ridgway’s book is labeled “Scheele’s Green,” a reference to Wilhelm Scheele’s toxic mix of arsenic and copper.
8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.