到底是什么把你的话带过大洋

此刻,你的信息正躺在海底。给另一个大陆发一条短信,它不会像电影里演的那样飞向卫星。它会潜下去。几乎所有的洲际通信,都要经过铺在海床上的电缆,穿过沉船和深海海沟,置身于永不消散的黑暗之中。

At this moment, your messages are lying at the bottom of the ocean. Send a text to another continent and it does not, whatever the films have suggested, ascend to a satellite. It dives. Nearly all traffic between continents travels through cables resting on the sea floor, past shipwrecks and deep sea trenches, in a darkness that never lifts.

每根电缆其实相当朴素,粗细常常不过是一根花园水管的程度。在层层钢铁和塑料的保护之下,里面是纤细的玻璃纤维,以光脉冲的形式承载着你的文字。专门的船只缓慢地把这些电缆铺设过整片大洋,航线的规划方式和道路差不多:绕开海底的山脉,避开渔场,远离任何容易移动的海床。

Each cable is remarkably modest, often no thicker than a garden hose. Within it, shielded by layers of steel and plastic, run slender glass fibres that carry your words as pulses of light. Specialised ships lay these cables slowly across entire oceans, and the routes are plotted the way roads are plotted: around underwater mountains, clear of fishing grounds, away from any seabed inclined to shift.

说来也怪,这套系统的天敌不是间谍,而是鲨鱼和船锚。电缆会被咬破、被缠住、被埋起来,一旦断裂,就会有一艘维修船出海,把它从海床上钩起、拉上甲板,在一个漂浮的作业间里把玻璃纤维重新接好。所以今晚,当你给大洋彼岸的某个人发消息时,不妨想一想你的文字即将经历的旅程:一道光,沿着整片大洋的海底穿行,藏在一根玻璃丝线里。

The system's enemies, it turns out, are not spies but sharks and ship anchors. Cables get bitten, snagged and buried, and when one breaks, a repair ship sails out, hooks it off the seabed, hauls it aboard, and splices the glass back together in a floating workshop. So tonight, when you message someone on the far side of an ocean, consider the journey your words are about to make: a flash of light travelling the length of an ocean floor, inside a thread of glass.