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why are there dents in the moon (1 comment)
do you love your job (1 comment)
Is your job boring or is it cool? (1 comment)
how is it like being a scientist (1 comment)
How do you make lasers (1 comment)
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why are there dents in the moon (1 comment)
do you love your job (1 comment)
Is your job boring or is it cool? (1 comment)
how is it like being a scientist (1 comment)
How do you make lasers (1 comment)