The other weekend, I was out hiking in an area of southwest Wyoming resplendent with big sagebrush.
As my husband and our puppy cruised ahead, I lagged behind, peering at some strange growths on the tips of a sagebrush’s leaves. The more I looked, the more I found, and the more I found, the more curious I became.
Ever since I first took an animal’s life with my own hands with the intention of eating it – a brook trout caught in a barely-big-enough-to-call-a-stream back in high school – I have been at turns fascinated and repulsed by what is involved with getting meat from hoof to dinner plate. This preoccupation predates my interests in science communication (#scicomm and #sciart) and persists to this day.
“Dear Digit, there are so many terms and technicalities associated with digital images, I’m lost. Do I need to know the difference between JPG and GIF, DPI and PPI, resizing and compressing, etc.? If so, how can I keep them straight?”
There are three categories of terms that are essential to producing, using, and sharing digital images: file type, file ‘quality’ and file size. Let’s take a closer look at each category.