Learning Economics The best books to learn more about economics (without doing it), recommended by Australian economist John Quiggin, author of 'Economics in Two Lessons.'

“What I like about #Ormerod is that he points out just how badly the profession has performed in this field.” fivebooks.com/best-books/l... #books #economics

Ormerod and Mini Kossel 3D printer kits compared

#RepRaps reviewed: Detailed comparison between our mini #kossel #3dprinter and @RepRapPro's #Ormerod miscsolutions.wordpress.com/2014/11/23/ormerod-and-m...

nice #RepRap forum post on multi extruder #Ormerod #3dprinters http://forums.reprap.org/read.php?340,380851 @RepRapPro