In 1907, Einstein likely did not foresee a time when dust-sized particles of glass could be trapped and suspended in air by dual laser beam "optical tweezers."
1907年时,爱因斯坦似乎没能预见到这样的时代,在这个时代,“镭射光钳”发射双重激光,从而困住灰尘一般大小的玻璃微粒,使它们悬浮在空中。
Gases and minerals, in the form of volcanic dust trapped in the ice, can tell us a lot about what the world's climate was like in past ages.
各种气体和矿物质都以火山灰的形式被封存在冰体里,它们能告诉我们许多过去的关于世界气候的信息。
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