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E=MC2 written on a blackboard

Stock Photo:
Image ID: 99434039
Release Information: N/A
Copyright: Bizroug
Small
500x335 6.9"x4.7" (72dpi) 163 KB
Med
1000x669 3.3"x2.2" (300dpi) 630 KB
Large
3839x2570 12.8"x8.6" (300dpi) 6.0 MB
Super
7678x5140 25.6"x17.1" (300dpi) approx.24.2 MB
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