text: There devices were the first envisioned in the 1800s an playedan important role in the 1940's during World War ll. The thoughts of computers in those days did caulations for them, which in today's years we know thing about. Many of the reserchers of the NASA is working on other approches to studying Venis. Like some are simplified electronics made of silicon carbide have been tested in a chamber simulating the chaos of Venus' surface and have lasted for three weeks in such conditiond. There a lot of projects that there looking back to an old technology called mechanical computers. Using mechanical parts can be made more resistant to pressure, heat, and other forces. The use of this technology to read the emotional expressions of students in a classroom is valuable because,One,it can help the teachers keep track of what the emotions of their students are,Two,it could benefit not only a classroom,but a whole school to know what each student is feeling and what their reaction might be and,Three to see how students express how they feel about a certain thing in school without showing emotion on the outside of their faces,in other words to see what kind of bad emotions they hold on the inside, and prevent something bad from happening.