The history of #photography began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances are visibly altered by exposure to light[2]. There are no artifacts or descriptions that indicate any attempt to capture images with light sensitive materials prior to the 18th century. View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph.[1] Original (left) and colorized re

Pubity on Instagram: "😭 The idea of robots goes back to ancient myths, but the first real robot is widely considered to be Westinghouse’s Elektro, built in 1937. Standing over seven feet tall, Elektro could walk, move his arms, and respond to simple voice commands using early speech technology. Before him, there were impressive mechanical automata in the 1700s and 1800s, but Elektro was the first machine designed to act like a modern robot with powered movement and basic interaction. (Shiyaaxo