Next, batch after batch, every volunteer underwent the same Light and Dark Experiment.
The process was exactly the same, without any changes: turn off the lights, turn them on, and record the dreams. Every monkey's dream was different, but the changes between light and dark were reflected in all of them.
Ding Yangze and Ji Tianhe exchanged glances from time to time, both completely baffled.
Wasn't the interesting part supposed to come next? What was interesting about this?
The morning's experiment had been repetitive too, but at least there had been slight variations. The expected fruits they entered were different, while the afternoon was nothing but an utterly unchanging repetition.
The two of them held back from asking. They did not even have time to ask. Their master and Shimu were completely hands-off, standing behind the computer and watching the data. Ding Yangze and Ji Tianhe had to rush around handling the volunteers, turning the lights on and off, and plugging in and removing the helmets.
"Very good. Bring out the equipment next!" Song He pulled a box from his pocket and handed it to Ding Yangze. "Hand them out. Every volunteer puts one on!"
Ding Yangze opened the box. Inside were pairs of small in-ear headphones, black and shaped like tadpoles.
Another batch of volunteers lay back in their recliners. They took the headphones from Ding Yangze, skillfully inserted them into their ears, and then put on the Dream Control Helmets.
"There's no sound coming from the headphones?" Durian spoke up, raising a hand to point at his ear.
"Don't worry. The sound hasn't been turned on yet. We'll turn it on after you're asleep," Song He said.
Durian was reassured. Along with the other monkeys, he obediently closed his eyes and fell asleep.
"What sound are we going