—— 请按键盘 空白键 开始游戏 ——

Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.
You have to write the book that wants to be written. And if the book will be too difficult for grown-ups, then you write it for children.
美好的社会是美德得到回报的社会。
人类心智是一套信息处理机器,由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。