Ancient Greece mathematician Archimedes believed a death ray was plausible, so a middle school student from Canada put the concept to the test. Brenden Sener of Ontario won multiple medals for his ...

This budget-friendly x-ray paper plate craft is great for kids of all ages like toddlers, preschoolers, even elementary aged ...

Grades 9-12 Learn about the cause of sunburns, in this video from NOVA’s Gross Science series. Sunlight is made up of many types of radiation: infrared, visible, and ultraviolet (UV). UV radiation can ...

Cathodochromic materials undergo a color change upon excitation by an electron beam, but can be restored to their original color by light irradiation. These materials have been incorporated into ...