In the experiment, a high-power green laser passed through a ruby cube, illuminated from the side by a blue laser. The green laser increased the ruby’s absorption of the blue light, creating a darker ...

Fifth graders at Dutch Lane Elementary School in Hicksville are bringing the classroom outside as part of a science experiment. During the space systems unit, teacher Stephanie Sullo engaged her ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The ...

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