The boomerang is a sickle-shaped throwing stick used mainly by the Aborigines of Australia. Its arms are slightly curved, and when it is thrown, the boomerang generally follows an arc-shaped trajectory. Recreational boomerangs often travel along a circular path and return to the thrower, but other, larger versions do not return and are used in hunting and warfare. What famous king owned a collection of boomerangs more than 3,000 years ago? Discuss