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Physics, 29.07.2019 06:00 mooneyhope24
23) a high school website directs parents to not allow student access to blue laser pointers or allow the students to bring them to school. it includes a video describing the danger inherent in the misuse of all laser pointers particularly the blue laser pointer. why would they claim that blue laser pointers are more of a concern than red laser pointers?
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23) a high school website directs parents to not allow student access to blue laser pointers or allo...
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