Transparency paper or film is a type of thin plastic sheet. Photocopy or print on this paper to produce clear sheets for presentation booklets or transparencies for use on an overhead projector.

Cellulose treatment enables creation of optically transparent paper for use a substrate. We cannot see through ordinary paper because it’s constituent micrometer sized cellulose fibers and large ...

You might have wondered why a cheesesteak bag or a pizza box becomes slightly see-through when touched by its greasy contents. To understand why, we need to understand how light interacts with matter.