In the early space age, there was some concern that a human floating in a large space station would get stuck, that he could conceivably be in a position unable to reach a wall to push himself off of to get to a workstation or what have you. Because unlike in cartoons, you can’t swim in microgravity; trying to paddle air isn’t going to get you anywhere. So a study was done looking at how animals generate momentum, including cats, to see what kind of movements astronauts could do to move from a dead stop in microgravity. One result of the study was a paper out of Wright Patterson Air Force Base that outlined a handful of movements to generate momentum… and five years ago I gave a demonstration in silent-movie form!
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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