From bizarre antimatter to experiments that tie light up in knots, physics has revealed some spooky sides of our world.

从奇异的反物质到把光捆扎成结的实验，物理学已经揭示了我们世界的一些幽灵般的方面。

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'Krusenstern' is one of the largest sailing vessels of the world. She is a 'windjammer' and her maximum under sail speed is 20 knots which is even faster than that of the engines.

Krusenstern号是世界上最大的帆船之一，她是一艘Windjammer级大帆船，其最大的乘风航速可达20节，这甚至比她用引擎推进还要快。

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And Leigh says knots could be just as helpful in the molecular world — like for stronger braided polymers — maybe a better Kevlar.

利恩说，结在分子世界中也一样很有帮助，像更强韧的编织聚合物——也许是更好的高强度合成纤维聚合物。

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For someone who had never gone faster than 8 knots on a sailboat, watching him and his crew in the 1989 Whitbread Round-the-World Race blaze through the Southern Ocean on the 90-foot Steinlager II was nothing short of incredible.

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