Well, feeling rather bamboozled after clicking the link to discover that the article has fuckall to do with Rockwell, Vickers, Brinell, or materials science in general.
Same, I thought it's about how surprisingly easy steels are to cut, and also how some softer metals are harder to cut and so on.
metaphor · · focus · HN ↗
[deleted] · · focus · HN ↗
[deleted]
Triphibian · · focus · HN ↗
hardbass · · focus · HN ↗