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Einstein's formula on a chalkboard with an apple, a book and some chalks.

Stock Photo:
Image ID: 25438396
Release Information: N/A
Small
500x375 6.9"x5.2" (72dpi) 136 KB
Med
1000x750 3.3"x2.5" (300dpi) 495 KB
Large
3648x2736 12.2"x9.1" (300dpi) 3.2 MB
Super
7296x5472 24.3"x18.2" (300dpi) approx.11.0 MB
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