They’re dark patches of shade where light does not reach. Light can travel through transparent objects, like glass,or translucent objects like this clear silicone lid. But a shadow forms when an ...

Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Techniques for optical acquisition of physical objects and their surroundings lie at the heart of virtual reality (VR) systems and material design applications, but the digitization process becomes ...