iss055e043705 (Apr. 30, 2018) --- Sample bags of crystals grown under experimental conditions controlled by middle and high school students as part of the CASIS PCG-9 investigation.
Photographer Scott Tingle
Date April 30, 2018
iss055e043705 (Apr. 30, 2018) --- Sample bags of crystals grown under experimental conditions controlled by middle and high school students as part of the CASIS PCG-9 investigation.