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Observations

A different scale

A view from orbit, and a reminder to change the frame before changing the system.

· 1 minute read
Earth observation from the International Space Station
Earth observation from the International Space Station. Image: NASA. Source image.

An image of Earth from orbit changes the scale of familiar things. In this nighttime view, city lights trace the ground beneath a visiting spacecraft and the station's robotic arm. An entire landscape shares the frame with a single piece of equipment.

There is a useful engineering habit hidden in that change of perspective. Before adjusting a component, look at the system around it. A slow task might be waiting for another service. An unreliable process might have an unclear owner. A large configuration file might be covering for a missing decision.

The reverse move is just as important. A diagram can make a system look simpler than it feels to the person using it. Following one ordinary request, from beginning to end, often reveals details that a broad view leaves out.

Neither view is complete. The useful practice is moving between them: a wider frame to understand relationships, a closer frame to understand consequences.

Part of Field Notes, a journal about software, systems, and observations.