Time Freezing Mage Qu Bing (Part 2)

After the gunpowder had been developed, the next step was machining the projectiles. However, because this was something entirely new, everything from the materials to the manufacturing tools and experimental equipment had to be newly prepared. This could only be handled by notifying Xingang Commandery, so Qu Bing was temporarily left with nothing to do at the Lake Heart Island Research Institute.

Still, he was not completely idle. Now that he had finally come to a place where he could learn about so many things he had been unable to understand at school, it was naturally the perfect time to broaden his horizons and study.

That day, after sending someone to deliver the list of equipment and materials they needed, he followed Ao Fei to the Optical Lens Research Group to study the optical theories they had summarized, as well as the principles behind telescopes.

Most of the Optical Laboratory consisted of pitch-black darkrooms. Even when there were windows, they were light-blocking windows made from solid wooden boards. Normally, they were propped up with sticks, and during experiments, they were temporarily modified according to the circumstances.

At that moment, Qu Bing was staying in a darkroom with Ao Fei. The two of them had gathered beside the window. The light-blocking wooden window had already been closed, with only a small hole opened in it to let in light.

Ao Fei placed a triangular glass prism in front of the beam of light shining into the room. Behind it, he set up a piece of sheet metal painted white as a projection screen. Pointing at the seven-colored spectrum on it, he said to Qu Bing,

"See it? This is the sunlight we see every day. Most people think sunlight is white, but our experiments have shown that a prism can split