scientists have already split atoms and explored various methods beyond the double-slit experiment. Atom splitting, also known as nuclear fission, has been studied and utilized for decades, leading to advancements in nuclear power and weaponry.
Regarding the double-slit experiment, it is a fundamental experiment in quantum mechanics that demonstrates the wave-particle duality of matter and the role of observation in determining particle behavior. While scientists continue to explore and develop new experimental techniques, the double-slit experiment remains a crucial tool for studying quantum phenomena and has provided valuable insights into the nature of particles and waves.
Scientific research and technological advancements are ongoing, so it is difficult to predict precisely when scientists will move away from specific experimental methods. However, it's important to note that the double-slit experiment and atom splitting are distinct areas of study, serving different purposes in understanding different aspects of physics. Both fields are likely to continue advancing independently as scientists explore various aspects of quantum mechanics, atomic structure, and related phenomena.