https://news.ycombinator.com/item?id=25306954
This comment on EUV fab processes sent me down a rabbit hole. I had no idea how much the state of the art has improved!
https://news.ycombinator.com/item?id=25131424
Another rabbit hole comment, this time on compact nuclear fusion and REBCO tape:
https://news.ycombinator.com/item?id=24632653
This comment that reined in the hyperbole around GPT-3, while still leaving space for fun and exploration, struck a nice balance:
https://news.ycombinator.com/item?id=23346972