Quantum error correction is essential for building a practical quantum computer.

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.

People calculate too much think too little.

互联网是我们社会的反映，这面镜子可能是讨人喜欢的，也可能是不讨人喜欢的，这取决于谁在看。