OK, so Dead in Six Hours isn't quite what the paper is called. I made that up. Read More ..
It's actually called Exacerbating Global Warming. (It is. Really.)
In the paper, researcher Jeremi Gosney describes a pet project of his.
He's lashed together 25 AMD Radeon Graphics Processing Units (GPUs) into a specialised computing cluster.
It will cost you about $20,000 to build one, and you'll need twenty rack units of space in a server room. (That's just under a rack-metre.)