Does 2x bigger mean 2x better?

Piotr Migdał (ICFO, Castelldefels (Barcelona), Spain), http://migdal.wikidot.com/en

Summary

  • Scaling, power laws $x = c y^\beta$
  • Scaling in nature
    • Walking speed, jump height, why only small animals can walk on the ceiling
    • Kleiber's law: relations between: body weight, metabolic rate, lifespan, heart rate
  • Cities
    • GDP, patents, crime, infrastructure vs population
    • Virtues (e.g. supercreative workers) and vices (e.g. crimes) scale superlinearly
  • Efficiency of universities and research groups
    • The bigger institute, the higher % of supportive workers
    • Research group efficiency grows rapidly up to a critical size
  • Group problem solving

Further reading

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