Natufian spindle whorls from 12,000 years ago represent the earliest fast-spinning technology in the Levant, shedding light ...
Wheels have infinite variety for every purpose ... These aren’t 3D designs; they’re code that compiles into printable objects, with variables to set the radius, thickness, diameter of the ...
drop spindles work on the same mechanical principle as the earliest wheels, which show up on carts around 6,000 years ago during the Bronze Age. “Circular objects with a hollowed center ...