a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment
katakowsj  ·  2702 days ago  ·  link  ·    ·  parent  ·  post: Secret of how Roman concrete survived tidal battering for 2,000 years revealed

Cool discovery. It wasn't mentioned in the article, but I've got to imagine there are potential gains for roadmaking in places like Michigan, where we use salt, as an ice melt for about a third of the year.