The 3D printing process in operation

The internet is awash with tales of engine parts, full-scale bicycles – and of course the obligatory scare stories about firearms – being produced by (...)

Light brigade: Austin during SXSWi. Photograph: Michael Buckner/Getty

If you stop for a moment, say by the escalators in the cavernous convention centre in Austin, Texas, and try to take it all in, it makes no sense. (...)