For many ajax developers , javascript object notation or even raw javascript code fragments make more sense as a data format , given that javascript is the consuming environment .
It is less sophisticated in several ways than the kindle , and less pleasing ( slightly tacky cover , no search or notation functions ) but it meets the holiday reading test .
This happens when the photons frequently interact with atoms in the medium , getting absorbed and re-emitted so often that their speed through the medium falls far below " c " , the notation used to describe the speed of light in a vacuum .
For instance one author may write an informal sketch of the proof , with many details omitted , then the other coauthor may tweak the organisation and notation , and then fill in the details , and then the first author might then review the paper and add in some remarks and write the introduction .