Materials enter the public domain if...
Materials can enter the public domain when copyright term expires, protection is not renewed (renewals are not available for new works), the creator donates the work to the public domain, or the materials are a work of the US Government.
Domain Eukarya consists of the most kingdoms of the three domains.
Well... The four Kingdoms in the domain Eukarya are Animilia, Protistia, Plantae, and Fungi.
Camille Saint-Saens became a professor at the Ecole Niedermeyer from 1860 to 1867 where Gabriel Fauré became one of his students. Unfortunately their record are not in the public domain.
IP addresses, DNS database, Name Servers, and the Domain Name Space.
IP addresses, DNS database, Name Servers, and the Domain Name Space.
The length of the material The cross-sectional area of the material The resistivity of the material The temperature of the material
silk
Four leafed clover is considered to be lucky.
Cultural/geo-political, joint, tactical, and technical
A four leafed clover is considered lucky.
Bathrooms are generally public.