What the U.S. needs is an 18-cent coin - https://news.ycombinator.com/item?id=3985299 https://news.ycombinator.com/item?id=3985299 - May 17, 2012 (28 comments)

What the U.S. needs is an 18-cent coin - https://news.ycombinator.com/item?id=3985299 https://news.ycombinator.com/item?id=3985299 - May 17, 2012 (28 comments) linking to a blog post at http://radio-weblogs.com/0105910/2003/05/16.html http://radio-weblogs.com/0105910/2003/05/16.html linking to a Science News article now at https://www.sciencenews.org/article/coins-making-change-efficiently https://www.sciencenews.org/article/coins-making-change-effi... discussing the publication at https://link.springer.com/article/10.1007/BF02984830 https://link.springer.com/article/10.1007/BF02984830 which we are now linked to on the author's web site.