Hotpress Innovation

The UWA hotpress is not exactly in action yet – lacking the electrical work and some minor tweaking – but enough is there to see what changes Derek Goad has made to Darko’s original design. Take a look specifically at the counterweight that allows...

Building Upon What’s Been Built

In conjunction with a winter semester 2010 course being taught by Joshua Pearce at Queens University, MECH 425 – Engineering for Sustainable Development, senior Nate Preston is reviewing, evaluating, and illustrating the Kingston Hotpress design via a public...

Closing the Circle

Shortly after arriving in Buenos Aires in June 2007, we visited Carlos Perini at the Cooperativa de Trabajo Avellaneda Limitada (http://wasteforlife.org/?p=19). Technically, this is not a cartonero cooperative, but is instead a sort of low level middleman, buying...