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Every barrel of oil we produce must be the most responsibly produced barrel possible.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
拓扑绝缘体的发现开启了凝聚态物理学的新前沿,其中拓扑和对称性之间的相互作用导致了新的量子物质状态。