Anyone ever had a jet injection? I don't know if I would prefer that over a regular needle.
#tech ##science #share2steem
External Link : https://www.technologyreview.com/s/612952/ten-recent-low-tech-inventions-that-have-changed-the-world/
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.
Forest Lee