In the 1960s Hanna Barbara animated series The Flintstones, prehistoric human beings lacked modern technology, so they used ancient animals (including dinosaurs, who for some reason in this universe lived at the same time people did) as household appliances and industrial machinery. And, for extra-cheap laffs, these animals routinely mugged to the camera about how awful their lives were at the hands of the humans misusing them. Continue Reading Category: 3D Printing , Manufacturing , Engineering Tags: MIT , Safety , Packaging