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 ...

Light's shadow: Researchers showed that a laser beam can sometimes act like a solid object and cast a shadow that is visible to the naked eye. In the picture, the shadow appears as the horizontal line ...

Measuring tall items or buildings is possible for you to do, even if you don't have a ladder. But how? In this experiment you will be using shadow heights created by the sun to measure! You will ...

Measuring tall items or buildings is possible for you to do, even if you don't have a ladder. But how? In this experiment, you will be using shadow heights created by the sun to measure! You will ...