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Did you know a rainbow is a full circle? A rainbow is formed when sunlight is refracted (bent), reflected inside raindrops, and then refracted again as it exits. This process sends light out at a specific angle — about 42° from the direction opposite the sun — forming a...

13,936 views • 1 year ago •via X (Twitter)

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The Circle 🐜 Nobody told the ant about the circle. That, as far as anyone can tell, is the whole problem. A researcher named Kostowski – this was in the early 1970s, at a laboratory in Warsaw that smelled permanently of formaldehyde and institutional coffee – discovered quite by accident that if you draw a continuous line around an ant using a felt-tip pen, the ant will not cross it. It will walk right up to the line, pause with what appears to be genuine philosophical unease, and turn back. It will do this indefinitely. For hours. Sometimes for days. The ant is not stupid. Let’s be clear about that. The creature you are looking at in this photograph – this tiny, improbable machine of chitin and chemical signals, this six-legged marvel that can carry fifty times its own body weight and navigate by polarized light – has a brain roughly the size of a pinhead, and yet that brain contains approximately 250,000 neurons dedicated entirely to making sense of the world. It has survived as a species for 130 million years. It watched the dinosaurs arrive, flourish, and disappear, and then went back to work. And yet here it is. Trapped by a drawing. The reason is chemistry, not cognition. Ants navigate by pheromones – volatile chemical compounds that their legs read like a blind man reads braille. When they encounter the solvent in a felt-tip pen, something in their nervous system fires an alarm. The signal says: boundary. The signal says: edge of the known world. And the ant, loyal to its chemistry in the way that all of us are loyal to ours, obeys. This is the part that stays with you if you think about it too long. The ant’s prison has no walls. No bars. No lock. It is made entirely of information – a chemical whisper laid down by a felt-tip marker – and the ant cannot see past it, because it has no framework for doing so. The circle is not a circle to the ant. The circle is simply: where the world ends. I find myself thinking about this more than is probably healthy. We are, most of us, walking around inside our own circles. They were drawn for us gradually, by parents and teachers and early disappointments, by the limits of what we saw done and the boundaries of what we were told was possible. We bump up against them occasionally – in those moments when a job offer from another city seems too frightening, or a new idea feels somehow presumptuous – and we turn back. Not because anything is stopping us. Because the world, as far as we can tell, simply ends there. The ant in the photograph is walking the inner edge of its circle with a kind of purposeful calm that is almost admirable. It has not given up. It is still looking. It is still moving. It simply cannot conceive of a direction that leads out. Kostowski, for what it’s worth, eventually just picked the ant up and moved it. Sometimes that’s what it takes. Gandalv / Gandalv

Gandalv

28,294 views • 3 months ago