Who needs a survival kit? You have a phone. Compass. Flashlight. Maps. Translator. Classic tools of exploration, all there under your uncalloused thumb. But your phone is not a rain poncho or a power bar. It’s time to think like a modern explorer, one as capable on an urban grid as on a dirt switchback. The items here will help you break away from your routine while letting you hang on to your app-store comforts. Welcome to the Silicon Age of Exploration.