a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment by user-inactivated
user-inactivated  ·  3200 days ago  ·  link  ·    ·  parent  ·  post: Numberphile: The man with 1,000 Klein Bottles UNDER his house

If that video doesn't illustrate passion, I don't know what does.