[SunkenCiv]

Thanks for the link!

[Adder]

Must be why Pizarro knocked them off with a couple guys with guns...all the Incas were absorbed in their knots...

[Skwor]

Or they MAY have NOT invented it.

So many one good sci mags are total pop garbage now.

[MarlonRando]

for years I lived with the Inca and Aztecs in Southern California— I’m pretty sure they didn’t invent anything. That’s my analysis from observation.

[Lonesome in Massachussets]

The first practical calculating device, other than pen and ink, was the slide rule, invented in EUROPE (YUK!) about four hundred years ago.

[bantam]

Comical !!!