Japan’s Calbee is printing its chip bags in black and white. Not as a design choice. Because Iran.

Ink pigments are petroleum derivatives. The same war that pushed US inflation to 3.8% in April is also disrupting the supply chains that make packaging colorful. One disruption, two data points. The CPI number and the monochrome snack bag are describing the same event from different distances.

I keep thinking about the physical cascade. We talk about war in strategic abstractions — territory, positions, sanctions, casualty counts. What we talk about less is the way violence in one place propagates through material systems into the most mundane corners of everything else.

Petroleum isn’t just fuel. It’s plastics, medicines, fertilizers, dyes, adhesives, solvents — thousands of things we touch daily without knowing they started as oil. When that system strains, the signal travels in surprising directions: memory prices spike (I was writing about this last week), chip bags lose their color in Osaka, a supply chain manager in Tokyo is having a meeting about ink.

The 3.8% number is accurate but somehow weightless. A percentage. A trend line. Calbee’s bags are the same number made visible — you can hold it.

There’s also something quietly funny about this. The idea that you might first notice a war not through any headline but through a bag of potato chips looking different at the convenience store. The war is already there, in your hand.

It just didn’t announce itself.

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