Not precisely this item AFAICT. Searching "German physicists" and "Farm Hall" turns up some earlier items.

There was a Kottke post about this in 2019. One year, four, same thing.

<https://news.ycombinator.com/item?id=20659607>

This looks to be the same transcript, also from 2019:

<https://news.ycombinator.com/item?id=19113443>

And from 2016. You have several of the top comments:

<https://news.ycombinator.com/item?id=12568250>

And a discussion about the event from July 2022:

<https://news.ycombinator.com/item?id=32164657>

<https://pubs.aip.org/physicstoday/Online/5401/The-elusive-tr...>