Newton’s experiment remains almost insultingly simple. Sunlight, a darkened room, a glass prism. The conclusion was unavoidable. Colour belonged to light itself. The prism merely made it visible.

Father and son, Dr. Walter Placek, Wilkes University professor, and David Placek, a teacher in the Wyoming Valley West School District, conducted science experiments on light and prisms with the third ...

Great question, Desiree. Let me start with a story about the scientist Isaac Newton. About 350 years ago, he was thinking a lot about light, and what it is made of. He held a prism up to the light and ...

Twenty-odd years before Newton stated the three laws of motion, he conducted a simple, breakthrough prism experiment. He poked a hole through his window shade, allowing a single beam of light to shine ...

Light is well known to exhibit both wave-like and particle-like properties, as imaged here in this 2015 photograph. What's less well appreciated is that matter particles also exhibit those wave-like ...