http://www.gizmag.com It is a challenge to provide affordable safety lighting in dark and low-light areas. Glowmark is a new product that uses long-lasting, photo-luminescent crystal technology as an alternative to electric lighting. Not only does it not need electricity, it costs nothing to run, is environmentally safe, biodegradable and easy to install.en gizmag.com http://www.gizmag.com/glowmark-puts-the-green-in-glow-in-the-dark-safety-lighting/11838/#comment-93262 http://www.gizmag.com/glowmark-puts-the-green-in-glow-in-the-dark-safety-lighting/11838/#comment-93262 Sat, 26 Nov 2011 05:41:48 -0600 http://www.gizmag.com/glowmark-puts-the-green-in-glow-in-the-dark-safety-lighting/11838/#comment-3043 http://www.gizmag.com/glowmark-puts-the-green-in-glow-in-the-dark-safety-lighting/11838/#comment-3043 Thu, 11 Jun 2009 17:09:49 -0500