Article - Physics meets archaeometry

[Tarbicus]

Couldn't see it listed in the rest of the forum so here you go:

Physicsweb article

an art historian at the museum, suggested that the helmet was made by beating out a single lump of bronze -- a technique that was so efficient that it was still being used in Italy in the 15th century -- but he also suspected that the nose-guard of the helmet might date from much later.