RYUN Engineering & Research
Blog & Engineering Notes
Things we built, measured, or got wrong. Written by the developer, dated, and updated in place when code or benchmarks change.
Articles (1)
#cognitive-ergonomics·9 min
How Ambient Decibels and HVAC Acoustics Correlate with Deep Work Dropout: Insights from 5,000+ European Study Desks
Crowdsourced acoustic data from 5,835 European university libraries reveals why continuous low-frequency HVAC drone (48-52 dB) causes faster cognitive dropout than intermittent human whispers, and how room geometry dictates study stamina.
Oct 13, 2026Read