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pair creation

n.
1.the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus

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    Idiom of the Day

    see one's way clear to (do something)
    to feel able to do something
    "When you see your way clear to begin the job could you please come and tell me."



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    Dogs like to ________ bones to save them for later.

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