Questions with the keyword 'machine'

• if you were to invent a machine that could change the world what would it be and why? by phantom and 3 others. to Arlene, Colin, David, Eugene, Paul Comments: (No comments so far )
• do you work with machines that explore more of the universe so we will see more about if theres another galaxy or world by tomo11quinn and 2 others. to Arlene, Colin, David, Eugene, Paul Comments: (No comments so far )