New study unearthed evidence proving that early hominins manufactured spherical stones using a premeditated reduction strategy
The researchers developed 3-D analysis methods involving spherical harmonics and surface curvature, which helped analyze a collection of 150 limestone spheroids.
Professor Leore Grosman emphasized: “Ubeidiya is presently recognized as the earliest known Acheulean occurrence outside of Africa, making it a crucial location for investigating the evolution of early hominin technology.”The team reconstructed the spheroid reduction sequence after analyzing scar facets and geometry using the tools at hand. They uncovered a unique pattern in the spheroids from Ubediya, noticing that the craftsmanship was deployed using a premeditated reduction strategy.
In light of the discovery, the study challenges the preexisting notions about the early hominins' capabilities to develop new technology. It was concluded that tools were produced intentionally, with symmetrical shapes on stone. Scientists stated: “The intentional production of sphere-like objects at Ubeidiya similarly suggests that these early hominins had a desire for and achieved intentional geometry and symmetry in stone.”
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