A petri dish is a small container used by scientists, usually biologists, to discover and explore cultured cells, plants, and so on. It’s usually, but not always, 100mm in diameter and 15mm in height. In 1887, it played a key role in discovering penicillin. While petri dishes come in different sizes and other variables scientists do great work with them. They’re only so big; they’re only so small. It’s a 100mm x 15mm constraint where the world is changed. A petri dish is
build a life that builds the world.