the '2.8 billion year old machined balls' thing — i drove out there. sort of letdown but read the grooves part

everyone reposts the Klerksdorp / Ottosdal spheres as 'perfect machined metal balls in 3-billion-yr-old rock, PROOF.' i'm in SA, the pyrophyllite quarries are near Ottosdal, North West Province (~26.8 S, 25.99 E roughly), so i actually went and bugged people. reality check, because i wanted it to b……