Attosecond physics is a branch of physics that studies phenomena occurring on the timescale of attoseconds, which are one billionth of a billionth of a second. It involves ultrafast laser technology and the manipulation of light pulses in order to investigate and control the dynamics of electrons in atoms and molecules. Attosecond physics explores processes such as electron emission, ionization, and recollision in extremely short time intervals, shedding light on fundamental quantum mechanical principles and enabling the development of new technologies in fields such as electronics, photonics, and materials science. This research area has the potential to revolutionize our understanding of the behavior of matter on the smallest scales and has already led to breakthroughs in fields such as high-speed electronics and imaging techniques. Attosecond physics promises to open up new avenues for manipulating and controlling matter at the atomic and molecular level, with implications for a wide range of scientific and technological applications.