据悉，这项技术通过飞秒激光在玻璃内部刻写体素（voxel）结构，实现高密度、低能耗且可保存上万年的数据存储能力。
Josh says he has the "determination" to turn things around and is trying to apply for social housing. But without a phone, it can be difficult contacting his social worker and he struggles with the process.
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Трамп высказался о непростом решении по Ирану09:14
Tony Jolliffe/BBC News