How we design

Again and again I am astonished as to how long it takes for a great idea for a design until it becomes mainstream.
It likewise amazes me how we design things on a daily basis, the things that are not the great inventions but just things like buildings and infrastructure.

Life Cycle of Window Materials – A Comperative Assessment

This article addresses the life cycle assessment of the materials normally used for window frames, highlighting their respective benefits and weaknesses. Frames of different materials have been assessed on the basis of their production, energy consumption and environmental impacts. It has been found that the embodied energy of the windows made of aluminium, PVC, Al-clad timber and timber, for a reference window.