An intern at MIRI furiously scribbles equations on a blackboard, slowly at first, then faster and faster. He steps back, trembling, hand over his mouth, eyes wide. He runs down the hall, in to his superior's office, voice quavering, and says "Sir… sir, I think we may have made a mistake. I think that… I think…" — he puts a hand on a nearby wall to steady himself, then looks straight ahead — "I think that 'thought experiments' might not actually be experiments"