Today we step into a workshop where glass dust floats in the sunlight like a slow snow and a man with quick hands is trying to teach two imperfect lenses to behave as one. Outside, Venice is a quarrel of water and stone, merchants arguing prices while gulls applaud; inside, an instrument is being persuaded into clarity, and with it the sky is preparing to surrender its privacy. The man is Galileo Galilei—Tuscan by birth, mathematician by trade, artisan by temperament, polemicist by necessity.

Selenius Media Inc - 10 Podcast about learning.