Man has progressed through science and technology. By discovering Science, scientists are able to create something which can improve the quality of our lives immeasurably. In turn, technology may drive scientific investigation, by creating demand for technological improvements that can only be produced through research, and by raising questions about the underlying principles that a new technology relies on. Science may drive technological development, by generating demand for new instruments to address a scientific question, or by illustrating technical possibilities previously unconsidered. Technology is a broad term that refers both to artifacts created by humans, such as machines, and the methods used to create those artifacts. Science is a systematized body of knowledge based on facts & human experiences. So lets merits and demerits of science and technology. Making the sense that science and technology have changed our lives very much. As we know we are in the era of tech and this keeps changing every day. In this very article, we will be discussing the advantages and disadvantages of science and technology.