Australia: Stone tools, boomerangs, didgeridoo, the stump-jump plough, permaculture, the tank-bred tuna system, the box-kite (further aiding the process of manned flight), the black box flight recorder, the ute, the wave piercing catamaran, The inflatable aircraft escape slide and raft, the electric drill, the two stroke lawn mower, latex gloves, the notepad, telephane (precursor to the television,) aerogard insect repellent, sheperd's castors, the roller door used in many garages, salt water chlorination, pre-paid postage, xerox photocopying, stop shot (AKA Blast Glass,) the mechanical refrigerator, vegemite (not much of an achievement,) the wine cask, vertically integrated migration service, the electronic pacemaker, physiotherapy, penicillin, the use of lithium in medicine, the bionic ear (hearing aid,) Begg orthodontics, spray-on skin, the first vaccine to prevent cervical cancer, the calyx drill, Internet WIFI, google maps, the first feature-length film, AFL, Freestyle swimming (the australian crawl,) X-ray crystallography, the kerosine refrigerator, the stobie pole, the dual flush toilet, and glass capable of shifting from opaque to transparent almost immediately.
not too shabby.