Chapter 172: Chapter 172 - 159: Mirror Reflection Measurement of Gravitational Constant

Harrov and Lynn stretched the thin rope taut, anchoring one end beneath the ice pillar and overlapping the other end with the shadow.

As the magic clock struck precisely twelve o’clock, Harrov, using his hand as a blade, cut the remaining rope with great precision!

"The ruler, quick, bring me the ruler!" Harrov shouted excitedly, having come down so hastily that he had actually forgotten to bring the most important tool.