Sublime Light

For thousands of years, we've looked out into the darkness, either out of fear or curiosity, and asked ourselves: "Are we alone?" And whether it was our ancestors peering from a cave looking out for beasts of fur and teeth, or our more recent relatives standing watch on their front steps for bandits and thieves in the night, or our modern day astronomers probing the heavens for signs of extraterrestrial life, one underlying theme has persisted: Light. Or to be more accurate, the electromagnetic spectrum in all its forms. We light torches to fend off saber-toothed tigers; we use flashlights to scour the shadows for intruders; we probe the very limits of the spectrum itself, fro...View all