Sciencespeaking topic
When a city doubles in size, the number of roads, power lines, and gas stations doesn't double; it grows only about 85 percent. So the bigger a city gets, the less infrastructure we each need to live. What invisible rule forces a metropolis to behave as 'economically' as a giant organism?
— Geoffrey West / scaling laws of cities (sublinear scaling)
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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