الثلاثاء، 8 سبتمبر 2015

3D printing proves ancient ‘spear butt’ is a musical instrument

spearhorn head
An Australian researcher found out what the Conical Spear Butt of Navan really was -- by 3D printing it, and jamming it into a horn.

sourse ExtremeTech http://ift.tt/1NnMpwR

ليست هناك تعليقات:

إرسال تعليق