研究人员指出，玻璃介质不可重写、读写成本较高，因此不适合日常数据存储，但非常适合保存科学数据、文化遗产、自然灾害记录等需跨越数十年甚至数百年的信息。
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But that only goes so far. When someone in the crowd shouted "Play the Spice Girls!", he responded with a swift riposte: "Sorry, I don't take requests."
Haywood said she has seen more working people use the community facility to buy essential items such as fruit, vegetables, bread and meat.