The Beauty of Pulse Arc Welding(hermansilver.com)
137 points by mhb | 73 comments
hermansilver.com on Hacker News
1 story on the front page, newest first. Scroll down to watch the site change over time.
1 story on the front page, newest first. Scroll down to watch the site change over time.
137 points by mhb | 73 comments