Pinboard (markx2)
https://pinboard.in/u:markx2/public/
recent bookmarks from markx2Emma Willard's Maps of Time – The Public Domain Review2020-01-24T11:56:02+00:00
https://publicdomainreview.org/essay/emma-willard-maps-of-time
markx2history maps time visualizationhttps://pinboard.in/https://pinboard.in/u:markx2/b:a5d8433f980d/wait but why: Putting Time In Perspective2013-09-15T13:06:38+00:00
http://www.waitbutwhy.com/2013/08/putting-time-in-perspective.html?m=1
markx2history timehttps://pinboard.in/https://pinboard.in/u:markx2/b:31dceb71c20e/Current time in2011-04-14T09:40:25+00:00
http://time.is/
markx2timehttps://pinboard.in/u:markx2/b:c993c8c53621/TimeTracker | Rainers Blog2009-08-02T14:11:30+00:00
http://rainer.4950.net/wordpress/?p=58
markx2tools timehttps://pinboard.in/u:markx2/b:46d20c032fc5/humanclock.com2008-05-09T12:36:06+00:00
http://www.humanclock.com
markx2timehttps://pinboard.in/u:markx2/b:2d87d9eabc04/