Boomerangs, contrary to common perception, do not always return to the thrower, according to research published in Nature. The study clarifies that while returning boomerangs are designed for specific flight patterns, many traditional boomerangs were actually used as hunting tools or weapons and were not intended to come back.

The misconception stems from the popularization of the returning boomerang, often seen in sport and recreation. These boomerangs are aerodynamically designed with carefully shaped wings that generate lift and rotation, enabling their circular flight path. "The returning boomerang is a marvel of engineering, utilizing principles of aerodynamics to achieve its unique trajectory," explained Dr. Emily Carter, an aerospace engineer at MIT, in a recent interview.

However, anthropological studies reveal a more diverse history of boomerang usage. Non-returning boomerangs, sometimes called "kylies," were historically used for hunting animals or in warfare by indigenous populations in Australia and other parts of the world. These kylies are typically larger and heavier than returning boomerangs, designed for distance and impact rather than a circular return flight.

"Archaeological evidence suggests that boomerangs have been used for tens of thousands of years, with non-returning varieties being far more prevalent in the historical record," stated Professor David Thompson, an archaeologist specializing in ancient weaponry at the University of Sydney. He added that the returning boomerang is a relatively recent innovation compared to its non-returning counterpart.

The confusion is further compounded by the way boomerangs are often portrayed in popular culture. Movies and media frequently depict boomerangs as always returning, reinforcing the inaccurate perception. This has led to a widespread misunderstanding of the tool's original purpose and diverse forms.

Currently, researchers are using computational fluid dynamics (CFD) simulations to better understand the aerodynamic properties of both returning and non-returning boomerangs. These simulations allow scientists to analyze the airflow around different boomerang shapes and predict their flight characteristics with greater accuracy. The findings could have implications for the design of new types of aerial vehicles and drones. Future research will focus on the social and cultural significance of boomerangs in different societies, exploring the role they played in hunting, warfare, and ritual practices.