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 camera obscura was popular as an aid for drawing and painting from the 1600s to the 1800s. Portable set-ups were devised in the 17th century. For example, Kepler had built a portable tent, and outfitted the camera obscura with a lens by 1620. This set-up remained popular up to the early 1800s.