Hacker News Reader

And they say Bitcoin is a waste of resources and here we are watching this :]. /s

How do they capture the screen output from the real CRT ?

There is a huuuuge twitter thread with all the details. This tweet in the middle talks about a VGA to HDMI adapter https://twitter.com/Foone/status/1424242517243957250

That thread is gold :).

I guess they don't capture it from the CRT - they capture it from the video signal from the computer.