In the API reference, “an object with a bounce value of 1.0 will rebound forever (i.e., if dropped to the ground, it will bounce back up to the height from which it was dropped)”.
However, the crate is rebounded higher and higher.
physics.addBody( crate, { density=3.0, friction=0.5, bounce=1.0 } )
http://developer.anscamobile.com/content/hello-physics
[import]uid: 12088 topic_id: 4563 reply_id: 304563[/import]