They have discovered now, previously unimagined objects-pulsars, quasars, and black holes.

他们发现了以往想象不到的新客体脉冲星、类星体和黑洞。

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Although they are decades from being practical, according to researchers, quantum computers may one day add previously unimagined computing power to such complex tasks as database-searching and breaking secret codes, tasks that now require powerful supercomputers.

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Such experiments were common topics of conversation in the Godwin household, where the philosopher William Godwin played host to scientific wizards such as Humphry Davy, who had used the voltaic pile to develop electrolysis and whose sensationally popular lectures proclaimed that science was poised to unleash powers previously unimagined, and perhaps even liberate the spark of life itself.

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