Tech refers to the application of scientific knowledge and innovation to create tools, systems, and solutions that improve life and solve problems. https://berkeley.edu.co.bz/2025/06/19/%ec%a3%bc%ec%86%8c%eb%aa%a8%ec%9d%8c-%ec%bb%a4%eb%ae%a4%eb%8b%88%ed%8b%b0-%ec%b0%bd%ec%97%85%ec%9e%90%ec%99%80%ec%9d%98-%eb%a7%8c%eb%82%a8-%ec%97%b4%ec%a0%95%ea%b3%bc-%eb%b4%89%ec%82%ac%ec%9d%98/