“The BBC saw fit to fuel the fires of fear over nanotech in last night’s Horizon. While the web content is quite moderate, the prevailing image of nanotech the program presented was a swarm of CGI grey goo flying like a whirling dervish over a blasted desert (an image straight out of Michael Crichton’s Prey, interspersed with time-lapse shots of reproducing cells and decaying animals as the commentary spoke of ‘our day of reckoning’.”