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by hermitShell 24 days ago
Very good explanation and interesting take on the 'humanity scale' or internet scale significance. I work on a phased array system so significance of white rabbit for me was always sample alignment. Assumed CERN had a similar use case of needing to order (sensor data of) physical events happening far apart.

But if we imagine the vast majority of internet and telecom infrastructure is also implemented this way, we can reason about information over time in general. Makes me think of 'earth is a big computer' type of sci fi trope. Neat!

1 comments

Indeed, time synchronization across detectors is always tricky. Distributed clocks get messy at ATLAS dimensions. WR allows to distribute pretty good time sync over large detector systems. Sometimes still not good enough though. Time-of-flight detectors try to get to single-digit ps level, and almost by definition, you have to synchronize two detectors that are some distance apart.