"From a letterpress business card I recently designed. This spelling is from physics: "the SI unit of absorbed dose, equal to the amount of ionizing radiation absorbed when the energy imparted to matter is 1 J/kg". Named in honor of Louis Harold Gray (1905–65), English radiobiologist. So now you know. Photographed in 2012.
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Submitted on 2012-02-21 07:19:55
