Do You Know Difference Non-Ionizing Ionizing Round Clock

Ad: Do You Know Difference Non-Ionizing Ionizing Round Clock

Showcase your wry electromagnetic physics sense of humor with this educational scientific clock featuring the electromagnetic spectrum along with labels for non-ionizing and ionizing radiation. Includes the caption that will make others do a double-take whenever they think about radiation: "Do You Know The Difference Between Non-Ionizing And Ionizing Radiation?" myPhysics

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