The 70-Year-Old Computer That Runs on Water #1 Post by rorydh » Fri, Nov 28, 2014, 11:13 PM UTC The 70-Year-Old Computer That Runs on Waterwired.com
Re: The 70-Year-Old Computer That Runs on Water #2 Post by davidgerard » Sat, Nov 29, 2014, 1:09 AM UTC This is what the water-based economy simulating computer in Pratchett's Making Money was based on.