⌂
⚲
?
✕︎
clip:18468
clip:18468
clip:18468
clip:18468
clip:18468
clip:18468
clip:18468
clip:18468
clip:18468
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
Niobium crystals and 1cm3 cube.jpg
▦