Examples

Example #1, user Weiguo Li is a faculty at UIC in the medical field,  he uses MRI and has a question about the equation in the monograph. Expert Bo Chen is a professor of physics and specialized in this field,  with his physics background it is easy for him to answer the question.

Example #2,  a high schooler Erik  Li asked a Q about his assigned book in philosophy class.  Expert Svetozar Minkov is  a  senior professor of philosophy  and provided his opinion.