Lyndsay G.M. Gordon

11 Guildford Tce., Thorndon, Wellington, New Zealand. E-mail: [email protected]

Received: 5 September 2003 / Accepted: 25 December 2003 / Published: 21 March 2004

Abstract: A mechanism of a gated pore in a membrane is described. Fluxes of gas molecules pass through the pore and produce a pressure gradient in a process that challenges the second law.

Keywords: second law; Smoluchowski; Maxwell; nanotechnology.