Questions with the keyword 'invention'

• Imagine you are the only engineer on this planet that can save the world. (You can save them from anything you want!) by anon-74897 Comments: (No comments so far )
• If you could use one already invented object to make something completely new, what object would it be? by anon-74893 Comments: (No comments so far )
• What do you invent by anon-73804 to Reshma Comments: (so far, 4s comments )