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Remember magnetic tape?
还记得磁带吗？
Maybe your first computer had a tape backup system.
也许你的第一台电脑还有支持磁带的系统呢。
And of course cassettes were how you played music in your car before CDs.
当然CD出现之前你车里可都是磁带播放出的音乐。
But Sony's latest foray into tape storage is anything but nostalgic.
但是索尼公司最近突然发布的磁带存储产品可不是用于怀旧。
The company has a new process that lets them store more than 185 terabytes of data on a single tape cartridge.
索尼的这项新的存储技术可以使磁带在单面写入185TB的数据信息。
You'd need about 3,700 Blu-ray discs to hold that much data.
这样庞大的数据量恐怕需要用到3700张蓝光光盘才能装得下。
And it's 74 times more information than what current data-center tapes can store, on average.
这是当前平均情况下数据存储为主的磁带所能承载信息量的74倍。
With all the data created and collected by mobile devices and sensors, storage is in high demand.
带有数据读写和记忆功能的移动设备和传感器对存储功能有很高的要求。
Hard disks cost about 15 times as much as tape.
硬盘造价大概是磁带的15倍。
And data centers that store our social media musings on disk use more than 200 times more power than they would if they used tape.
而能存储硬盘上我们社交媒体上音乐的数据中心如果使用磁带记录，则需要消耗200倍的能量。
Future data centers will likely use a mix of these new super-charged tapes and hard disks.
未来的数据中心也许会混合使用这些新型超带电介质磁盘以及硬盘记录数据。
Tape is great.
磁带是很伟大的发明。
But if it had met all our needs we wouldn't have moved to faster and more durable disks and mp3s as soon as those technologies could be invented.
但如果它在很早以前就能满足我们的所有需要，那我们就不用让技术飞速发展发明出超过原有的更耐用的光盘和MP3。
