“Technologies don’t have to be cutting edge to make a profound difference in people’s lives”… and energy does not just come out of a wall socket : https://www.technologyreview.com/s/612952/ten-recent-low-tech-inventions-that-have-changed-the-world/
“Technologies don’t have to be cutting edge to make a profound difference in people’s lives”… and energy does not just come out of a wall socket : https://www.technologyreview.com/s/612952/ten-recent-low-tech-inventions-that-have-changed-the-world/