Prof. Pierre Agostini, alongside Krausz and L'Huillier, won the 2023 Nobel Prize in Physics for pioneering attosecond pulses, advancing light-matter interaction understanding. Attosecond science has practical applications in technology and medicine, with future research focusing on high-speed object imaging. Agostini's advice to young researchers stresses IR lasers and pulse train resolution for continued innovation, highlighting the significance of fundamental physics in solving real-world challenges and the importance of collaboration in research success.