Sign up so you can read the subscription-only but very fine Building Design online magazine, and enjoy the story of how Adam Richards Architects helped Clerkenwell-based priest The Reverend Richard McLaren write sermons on his roof-terrace without getting blown away. Inspired by paintings of the Annunciation, the architects designed a wind-break comprising Cold War surplus Geiger counter which translates cosmic radiation into a pattern of 384 flashing LED lights. At this point, if anybody can think of a suitably pithy sign-off, email me; because I'm just enjoying my own state of open-mouthed disbelief. Catch the whole story here.