Answer at least two of the following questions and respond to at least one contribution of a fellow student.
1) What do you think are the most important inventions/discoveries in the world?
2) Which of them wouldn’t you be able to live without? Which of them would you be able to live without?
3) Do you know any background related to an invention?
4) Is there anything that has not yet been discovered/invented, but would be nice/important to discover/invent?