Scientists led by Dr. Mark Robinson from the Department of Archaeology at the University of Exeter as part of the European Research Council (ERC) project, Last Journey, discovered these striking images in a trio of distinct rock shelters in the Guaviare Department of Colombia.
The series of vivid drawings were created approximately 12,600 to 11,800 years ago and deliver solid evidence that the Amazon rainforest’s first inhabitants resided beside Ice Age mega-mammals such as the giant sloths, camelids, horses, mastodons, and three-toed ungulates sporting long trunks.
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.