[if lt IE 7 ]> <body class="ie6 articlemaster responsive"> <![endif] [if IE 7 ]> <body class="ie7 articlemaster responsive"> <![endif] [if IE 8 ]> <body class="ie8 articlemaster responsive"> <![endif] [if IE 9 ]> <body class="ie9 articlemaster responsive"> <![endif] [if (gt IE 9)|!(IE)]><! <![endif] Wired.co.uk Main navigation Follow Site search Subscribe Subscribe to RSS Wired Podcast Magazine Newsletter Twitter Google+ Facebook Tumblr Search Wired.co.uk Reset News Reviews Magazine Podcast Events Wired Insider Home News Topics Science 3D Printing Health More topics 6 issues for £9 + FREE iPad, iPhone & Kindle Fire editions Subscribe Get the digital magazine on your device! FREE TRIAL – Limited time only Download Now Science 26 March 14 by Nicholas Tufnell Tweet ...