#901460666 E=mc2 handwritten with white chalk on a blackboard

E=mc2 handwritten with white chalk on a blackboard
Picture ID: 901460666
Picture URL: https://cutcaster.com/photo/901460666-E-mc2-handwritten-with-white-chalk-on-a-blackboard/
Description: E=mc2 handwritten with white chalk on a blackboard
Contributor: Nenov Brothers Images

 

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