Man is an artifact designed for space travel. He is not designed to remain in his present biologic state any more than a tadpole is designed to remain a tadpole.

To her audience Janis Joplin has remained a symbol artifact and reminder of late Sixties youth culture. Her popularity never derived from her musical ability but from her capacity to link her fantasies of freedom and immortality with ours.

We often attribute 'understanding' and other cognitive predicates by metaphor and analogy to cars adding machines and other artifacts but nothing is proved by such attributions.