I Wanna Know What's the Greatest Invention The Invention Of Inventing! By: blogerman Written on March 1st, 2012 without trying to invent things, our lives would be much harder Thank the author By: blogerman Age: 18-21 , Male 2 Rate Up Rate Up this story even more + New Rating: - 195 people have read this story Your Response Please respond with authenticity, support, and respect Email: Username: Password: Birthday: By clicking "Post", you confirm that you agree to the Terms of Service of Experience Project, Inc. 1 response Sort responses by: Recent Oldest Rating noggin103 The Thermos Flask.Why?It keep hot things "hot" and it keeps cold liquids "cold".How does it know? (lol). +