⌂
⚲
?
✕︎
clip:299015
clip:299015
clip:299015
clip:299015
clip:299015
clip:299015
clip:299015
clip:299015
clip:299015
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
University Park MMB «C3 Physics.jpg
▦