http://polizeros.com/2008/02/06/hypersonic-liquid-hydrogen-concept-jet/ Musings on politics: anti-war, global warming, peak oil and otherwise Sat, 11 Oct 2008 16:08:26 +0000 http://wordpress.org/?v=abc http://polizeros.com/2008/02/06/hypersonic-liquid-hydrogen-concept-jet/#comment-148474 John Couzin Thu, 07 Feb 2008 12:30:08 +0000 http://polizeros.com/2008/02/06/hypersonic-liquid-hydrogen-concept-jet/#comment-148474 I believe that there has been talk of its vapour trail damaging the ozone layer. I'm no expert but I suppose that has to be taken into account. I believe that there has been talk of its vapour trail damaging the ozone layer. I’m no expert but I suppose that has to be taken into account.

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