WHAT REALLY HAPPENED?

OP decided to take a photo of someone wearing headphones in front of the no headphones sign. The sign said to remove the headphones before entering. Seeing as the person had just passed the door frame and entered the room, they were now in direct violation of the rules set out by the teacher. Unfortunately, they did not realize that by entering the room wearing headphones they caused electromagnetic radiation to leak out of the device. The teacher was nearby, and was using the teaching job as a cover. In reality, the teacher was a very high ranking Chinese spy. In the teachers pocket contained a sensitive electronic device capable of launching inter-continental ballistic missiles loaded with active nuclear warheads. He just so happened to "pocket-dial" the device, causing it to be turned on at the moment the student walked past. The quantum mechanics of the universe in the room shifted just enough to accommodate the electromagnetic interference to hit the device in the chinese spys pocket. This caused the missiles to all be launched at once and started a nuclear war. The world was blown apart. Nuclear fallout rained from the skies. Only the cockroaches survived, heralding a new age of cockroachdom on earth. "We shall create a thousand year age of the Roach. This is the dawn of our reich!" said the king cockroach.

Just kidding. Or am I?