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.

Light rays travel in straight lines. Light cannot bend around opaque objects in their way. Shadows are created when an object blocks light from the Sun or another light source. When the light can ...

is the conventional core technology for seeing the invisible and seeing through opaque objects. More than 100 years after the invention of X-ray imaging, CT has become widely used in the fields of ...