1) GO TO A PROFESSIONAL. All piercings should be carried out by professionals â including the common ear lobe piercings â but it is especially important that cartilage piercings, and piercings on other sensitive body parts are carried out by trained professionals who do such piercings for a living.
Camera obscura is Latin for dark chamber.. It is the name given to a simple device used to produce images that would lead to the invention of photography. The English word for today's photographic devices is merely a shortening of this name to  camera .
The term is based on the Latin camera, (vaulted) chamber or room, and obscura, darkened (plural: camerae obscurae). The English physician and author Sir Thomas Browne speculated upon the interrelated workings of optics and the camera obscura in his 1658 discourse The Garden of Cyrus thus:eonardo da Vinci (1452â1519), familiar with the work of Alhazen in Latin translation and after an extensive study of optics and human vision, published the first clear description of the camera obscura in Codex Atlanticus (1502):