It allows some light to pass through, but images of objects viewed through the frosted glass are not clear. Opaque close opaqueA material, object or substance which does not allow light to pass ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...

The everyday objects around us are white, colored or black, opaque or transparent, depending on how the electrons in their atoms or molecules respond to the driving force of electromagnetic radiation ...

AN optical system has been constructed which makes possible the examination at high resolution by interference of opaque objects, and which is capable of being mounted on an ordinary microscope stand.

Darkness is presented as the absence of light and shadows as examples of where an opaque object blocks light. Light is also shown as capable of travelling through air, water and transparent objects.

Discover how iron's opacity in the sun challenges scientific models, and how researchers are working to resolve the discrepancy.