Friday, August 16, 2019

Why Do Pages of Books and Newspapers Turn Yellow Over Time?

You can tell whether a book or a newspaper is new from its color, as they all tend to turn a bit yellow over time. The reason why this happens involves both history and the chemistry of paper. Simon Whistler of Today I Found Out is happy to tell us all about it.

1 comment:

Anonymous said...

This guy has the fantastic talent of being able to draw out a three sentence explanation to seven and a half minutes of talking.