How do electrons materialize?

Electrons materialize when they interact with other objects. In a discussion with Lex Fridson, it was explained that although electrons might not have definite properties until they are measured or interact, they do exist in a form described by physicists using wave functions. This approach to understanding electrons comes from quantum mechanics, where the fundamental idea is that particles like electrons can materialize in a specific location when they collide with something. This is distinct from classical objects, which are often thought of as having a definite position without such interactions. Electrons and other particles in quantum field theory can indeed be created and destroyed, which is a phenomenon observed in experiments like those conducted at particle colliders 1.