These are my links for May 18th 2012 through May 19th 2012:

• Experience: I’ve been to the quietest place on Earth | Life and style | The Guardian – "The presence of sound means things are working; it's business as usual – when sound is absent, that signals malfunction. On 9/11, despite being out of mobile phone reception, a huge number of hikers abandoned their walks. They hadn't heard about the terrorist attacks; they were just spooked by the lack of aeroplane noise and sensed something was wrong."
• Twitpic – Share photos and videos on Twitter – Harry Beck's ur-map of the Tube, @ltmuseum 's glorious Mind the Map exhibition #museumsatnight >