 In the first demonstration, in July 2007 at the Kinetica Museum in London, the device failed to work.The second demonstration, which ran from December 2009 to February 2010 at the Waterways Visitor Centre in Dublin, involved a motor powered by a battery and provided no independent evidence that excess energy was being generated.It was dismissed by the press as an attempt to build a perpetual motion machine, and a publicity stunt.