phi necklace | silver pp_anatomy Darwin's original "I think" sketch

Darwin's original "I think" sketch is also available as a separate piece

shoppers looking for science earrings or biology earrings as a daily piece

the system every neurosurgeon

Worn here as a 21 mm sterling silver pendant

anyone for whom the structure of THC is a working object

phi necklace | silver pp_anatomy Darwin's original "I think" sketchPhi necklace sterling silver Phi () is the most irrational number there is. (1+5) 2, roughly 1. 618, with a continued fraction expansion of all 1s, which is why no rational approximation comes close. The Greek letter for the golden ratio, the constant that quietly shows up wherever growth and packing optimise against rotation. Worn here as a 23 mm sterling silver pendant. The Science Behind Phi The golden ratio = (1+5) 2 1. 618 is the irrational