Scientists at Heriot-Watt University in Edinburgh say they have made a discovery that marks a new era in photonic, or light, technology.

Microplastics and the much smaller nanoplastics enter the human body in various ways, for example through food or the air we breathe.

We recently spoke with Columbia University theoretical physicist Brian Greene about these faster-than-light particles. Here's what he had to say on the matter. Follow TI: On Facebook More from ...

Light can pass straight through transparent close transparentA material, object or substance which allows light to pass through it so that an image can be clearly seen through it. materials.