I magine you’re in a car with your loved ones, following an unfamiliar road up a spectacular mountain range. The problem? The way ahead is shrouded in fog, newly built, and lacking both signposts and guardrails. The farther you go, the more it’s clear you might be the first ones to ever drive this route. To either side, you catch glimpses of precipitous slopes. Given the thickness of the fog, taking a curve too fast could send you tumbling in a ditch, or—worst case scenario—cause you to plunge