Search for tag: "physical objects"

chem102-010-20170428-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 22 plays 0  

chem102-010-20170419-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 19 plays 0  

chem102-010-20170403-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 61 plays 0  

chem102-010-20170206-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 104 plays 0