Fix issue #58 : Add PNG to the mix#217

Merged

tobyhodges merged 4 commits intodatacarpentry:gh-pagesfrom

CaptainSifff:gh-pages

Aug 22, 2022

Commits on Aug 15, 2022

fix typo
Florian Goth
committed

Commits on Aug 16, 2022

add a small section on the workings of PNG.
Florian Goth
committed

Commits on Aug 18, 2022

simplify PNG explanation, but keep the luminance in, since it has scientific applications.
Florian Goth
committed

Commits on Aug 19, 2022

Apply suggestions from code review

CaptainSifff
and
bobturneruk
authored