The Rose of Jericho (Selaginella lepidophylla) is a species of desert moss that has the amazing ability to ‘resurrect’ itself after bouts of extreme dehydration lasting months or even years. After just a few hours of exposure to moisture the plants burst to life, uncurling from a tight ball of dry leaves to a green flower-like shape. Videographer Sean Steininger shot this timelapse of several plants as he exposed them to water.
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.