量子理论始于20世纪初，是光学研究的一部分。

Quantum theory started at the beginning of the 20th century, in part with work on light.

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三年级物理：选修：光学、热力学、统计力学、早期的原子和核理论。

Third year physics - a selection from: optics, thermodynamics, statistical mechanics, beginning atomic and nuclear theory.

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光粒子是宇宙中速度最快的东西，所以一台光学计算机在理论上可以在计算机启动前就能处理完信息。

These particles of light are the fastest things in the universe, so an optical computer could theoretically process information at speeds that make even a supercomputer look glacial.

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