text: Having that tecnology would be benifical in other thing instead of a classroom like for the police for interigating other people, in court to see if other people are lying. So the tecnology does have some benifits but I disagree it being used in a classroom for the teacher to see what you are doing. That is the reason that I disagree with having tecnology that reads human emotions in classrooms.   A face on mars real or fake. The explaination for the human like face on mars is natural landform. It is natural landforming because in the artical it state the the human like face was fromed by shadow. " the caption noted a "huge rock formation . . . which resembles a human head