在量子力学百年纪念的Helgoland 2025会议上，四位诺贝尔奖获得者齐聚一堂，在岛上的纪念“金书”上签名并留下感言。文章介绍了Anton Zeilinger、Alain Aspect、Serge Haroche和David Wineland这四位物理学家在金书上的留言，并揭示了Zeilinger签名中“航海”的含义，原来他是一位热衷航海的爱好者。文章还提到了Helgoland岛的特殊意义以及会议的举办。此外，这篇文章也预告了Physics World在国际量子科学与技术年（IYQ）中的相关报道。

📜Helgoland 2025会议是为纪念量子力学百年而举办的，四位诺贝尔奖获得者出席并签名留念，包括Anton Zeilinger, Alain Aspect, Serge Haroche和David Wineland。

✍️每位诺贝尔奖得主都在“金书”上留下了自己的感言，内容各异，其中Zeilinger的留言“Great sailing. Great people.”引起了作者的注意。

⛵Zeilinger解释了他留言中“航海”的含义，原来他是一位航海爱好者，并在会议前几天观看了北海帆船赛的最后阶段。

🚩文章介绍了Helgoland岛的旗帜，绿色代表陆地，红色代表岛上的悬崖，白色代表海滩上的沙子。

The first session at the Helgoland 2025 meeting marking the centenary of quantum mechanics began with the four Nobel-prize-winning physicsts in attendance being invited on stage to sign the island’s memorial “gold book” and add a short statement to it.

Anton Zeilinger and Alain Aspect, who shared the 2022 Nobel prize with John Clauser for their work on entanglement and quantum information science, were first up on stage. They were followed by Serge Haroche and David Wineland, who shared the 2012 prize for their work on measuring and manipulating quantm systems.

During the coffee break, the book was placed on display for participants to view and add their own signatures if they wished. Naturally, being the nosey person I am, I was keen to see what the Nobel laureates had written.

Here, for the record, are their comments.

“Great sailing. Great people.” Anton Zeilinger

“C’est une émotion de se trouver à l’endroit où a commencé la méchanique quantique.” Alain Aspect [It’s an emotional feeling to find yourself in the place where quantum mechanics started.]

“Thank you for your warm welcome in Helgoland, an island which is known by all quantum physicists.” Serge Haroche

“An honor to be here.” David Wineland

All the comments made sense to me apart from that of Zeilinger so after the evening’s panel debate on the foundations of quantum mechanics, in which he had taken part, I asked him what the reference to sailing was all about.

Turns out that Zeilinger (as Albert Einstein once was) is a keen sailor in his spare time and he and his wife had come to Helgoland three days before the conference began to see the final stages of a North Sea regatta that takes place in late spring every year.

In fact, Zeilinger explained that the Helgoland meeting had to start on a Tuesday as the day before the venue was host to the regatta’s awards ceremony.

As for the flag, it is that of Helgoland, with the green representing the land, the red for the island’s cliffs and the white for the sand on the beaches.

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