Ping-Pong Diplomacy: How Table Tennis Opened Doors Between China and the US

Yes, 'Ping-Pong Diplomacy' refers to the exchange of table tennis players between China and the United States in the early 1970s. It led to the first visit by an American delegation to China in over 20 years and eventually paved the way for the normalization of diplomatic relations between the two countries.

'The small ball rotates the globe' is a metaphor that suggests that even small actions can have a significant impact on the larger world. It implies that seemingly insignificant events or people can play a critical role in shaping history. It can also be interpreted as a reminder that every individual has the power to effect change, no matter how small their contribution may seem.