Tech refers to the application of scientific knowledge and innovation to create tools, systems, and solutions that improve life and solve problems. https://jinnys.ds.lib.uw.edu/index.php?title=%EC%8A%A4%ED%83%80%ED%8A%B8%EC%97%85_%ED%8C%8C%EC%9A%B4%EB%8D%94%EC%99%80%EC%9D%98_%EC%BB%A4%ED%94%BC%EC%B1%97:_%27%EC%A3%BC%EC%86%8C%EA%B9%A1%27_%EC%9A%B4%EC%98%81%EC%9E%90_%EC%9D%B4%EB%8F%84%ED%98%84_%EB%8B%98%EA%B3%BC%EC%9D%98_%EB%A7%8C%EB%82%A8