Woman Lived Alone Inside a Cave for 500 Days Without Internet or Sunlight #women #experiment Beatriz Flamini spent 500 days living alone inside a cave near Granada, Spain, as part of a scientific isolation experiment. The project was designed to study how the human mind and body react when separated from sunlight, clocks, technology, and direct human contact for a very long period of time. During the experiment, she had no access to the internet, phone calls, news, or natural day and night cycle

What is GPIO? In under 90 seconds ⏲️ Those 18 pins on top of Flipper Zero let it connect to external electronics, which can power small modules, read signals, send data, and act as a USB-to-UART bridge. #flipperzero

Building a Strong Retaining Wall Fast! #Construction #Engineering #RoadWork

Rock-Fill Retaining Wall Construction Is Genius 🪨🏗️ #construction #structuralengineering