TSMC: Ecosystem for 2nm Chip Development Is Nearing Completion
TSMC: Ecosystem for 2nm Chip Development Is Nearing Completion

www.anandtech.com
TSMC: Ecosystem for 2nm Chip Development Is Nearing Completion

There is a discussion on Hacker News, but feel free to comment here as well.
I don't get it. Wasn't there something about a physical limit being around 7nm some years ago? Did physics change?