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 ...

Light can travel through transparent objects ... shine it on an object and draw around the shadow it casts on a piece of paper. Now, move the torch closer, and draw around the shadow again.

Close to 2 million metric tons of plastic enters the oceans every year from beaches and waterways, according to The Ocean Cleanup Project. Much of that plastic is single-use beverage bottles, cups ...

Every year, over 400 million tonnes of plastic are produced. About five percent of that ends up in rivers and eventually the sea, or is thrown directly into the ocean by the fishing industry.

33 cd assuming the white paper is 100 cd). Shadowy Influences Transparency is infrequent in nature, but shadows are not. It is possible that the “laws” of perception we have explored so far ...

a transparent 3D material made solely of cellulose. Testing of the material showed it worked as well as standard drinking straws, with no signs of the collapse seen in paper straws that are used ...