Material on the web is connected to the book Physics and Astronomy 1 by Haukur Arason, Kjartan Örn Haraldsson and Sverrir Guðmundsson (2015).
Efni vefsins tengist námsbókinni Eðlis-‐ og stjörnufræði 1 eftir Hauk Arason, Kjartan Örn Haraldsson og Sverri Guðmundsson (2015).