Any broad range of characteristics can be defined as a spectrum— and Seattle writer David Blatner (The Joy of Pi, The Flying Book) investigates six of them found in everyday life: numbers, light, sound, temperature, distance, and time. With humor and insight, the author of Spectrums explores our extraordinary universe and explains how to understand the apparently inconceivable—why it’s physically impossible to reach a temperature of absolute zero; how ancient Egyptians calculated Earth’s circumference (!); that the color magenta doesn’t really exist (?!)—as we rediscover the bizarre and beautiful world in which we live. Presented by Town Hall and University Book Store as part of The Seattle Science Lectures, sponsored by Microsoft. Series media sponsorship provided by KPLU.