Canadian Anniversary $2 Coin Glows in the Dark, Mimics Aurora Borealis

New two-dollar coin, or toonie, features two canoeists under the aurora borealis – and glows in the dark thanks to special ink that contains luminescent material

The specially designed two-dollar coin, or toonie, as it’s known in Canada, features two people paddling in a canoe as the northern lights – vivid in green and blue – dance high above them. When the coin is put in the dark, the aurora borealis glows softly, thanks to a new ink formulation that contains luminescent material.

Read more at the Guardian


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.

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