A study in the US has identified the prime factors that drive the fizzy plumes from Coke bottles: the roughness of the sweet and how fast it plummets to the bottle's base.
Greenwich thus became established as the location of the prime meridian of longitude, and the base line for calculating time zones around the world.
由此格林威治不仅作为起初子午线的所在地，也成为全球计算时区的基准线。
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Five days later Yukio Hatoyama, Japan's then prime minister, resigned, in part because of his broken promise to the people of Okinawa to move the base off the island altogether.