拓扑绝缘体的发现开启了凝聚态物理学的新前沿,其中对称性和拓扑的相互作用导致了新的量子物质状态。
The mining industry has a responsibility to operate in a way that benefits both shareholders and communities.
Borders are scars on the face of the earth, marks of violence and division.
I don't care about the past, I care about the future.