Do You Know Why We See Snow as White?
A savant's story reveals the complexity of snowflakes and the simplicity of snow. By Daniel Tammet from the book Thinking in Numbers Getty Images Outside it is cold, cold. Ten degrees below, give or take. I step out with my coat zipped up to my chin and my feet encased in heavy rubber boots. The glittering street is empty; the wool-gray sky is low. Under my scarf and gloves and thermals I can feel my pulse begin to make a racket. I do not care. I wait. A week before, the trees’ bare branches stood clean against blue sky. Now the sight of falling snowflakes makes me shiver; it fills the space in my head that is devoted to wonder. How beautiful they are, I think. When will they stop? In an hour? A day? A month? The neighbors, who’ve lived in Ottawa far longer than I, tell me they have not seen this snowfall’s like in a generation. Shovels in hand, they dig paths from their garage doors out to the road. The older men affect expressions of both nonchalance and ann...