My
periodic table poster
is now available!
Etched zinc ball.
I made this for a
Popular Science column
I wrote about etching metals to reveal their interior crystal structure. It didn't turn out very good.
Source:
Theodore Gray
Contributor:
Theodore Gray
Acquired:
26 October, 2008
Text Updated:
26 October, 2008
Price:
$1
Size:
2"
Purity:
99.9%