11-O / Quiet Signals
Original Edition
Spherical Cow Research Unit
First, assume a spherical cow of uniform density.
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Behind the designRead the optional note
The spherical cow is a classic physics joke about simplifying a complicated real system until it becomes mathematically manageable—sometimes at the cost of nearly everything recognizable about the original problem.
The joke is affectionate rather than anti-modeling: radical assumptions are often useful, provided everyone remembers what was assumed away.