Venkatesh Rao@vgr·Jun 28, 2016The last time a people stopped exploration to focus on "real" problems, they lost tech lead, stagnated for 500 years: China in 15th century24881
Venkatesh Rao@vgrReplying to @michalmigurskiQuote TweetVenkatesh Rao@vgr·Jun 28, 2016the ban on ocean-going ships https://en.m.wikipedia.org/wiki/Haijin6:28 AM · Jun 28, 20161 Like