There’s an interesting back-and-forth going on for a few months now, panning out in online letters and published articles in Scientific American. Beginning back in February with “Pop Goes the Universe” by Anna Ijjas, Paul J. Steinhardt, Abraham Loeb, essentially arguing against inflation theory. A number of opponents to that article – 33 in fact – responded in kind with their own Scientific American article, here. The original trio of authors (those of the “Pop” article) then offered their own follow-up rebuttal, and further FAQ explanation of their thinking. Fascinating stuff!
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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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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