When it comes to identifying your pebbles, there are lots of reference books out there. But a lot of them only show pictures of outstanding, museum-quality specimens, which you’re unlikely to ...

Archaeologists in Israel have identified what may be one of the earliest examples of wheel-like technology ever found: several dozen 12,000-year-old, doughnut-shaped pebbles that might be spindle ...

Yashuv and Grosman, PLOS ONE, 2024 under CC-BY 4.0 When faced with an assortment of 12,000-year-old perforated pebbles from an archaeological site in northern Israel, researchers wondered if the ...

Spinning methods. (a) Manual thigh-spinning [64]; (b) Spindle-and-whorl “supported spinning” [68]; (c) “drop spinning” [66]; (d) the experimental spindles and whorls, the 3D scans of the pebbles and ...