Old flames fade away
A flame in which you can stick your fingers without burning them could revolutionise the way buildings are heated. 'Cool flame', a phenomenon first noticed in 1805, is generated not by combustion but by oxidation.
Subscribe to the AJ from £3 per week
For less than the cost of a pint you can have the magazine, iPad edition, full access to TheAJ.co.uk and the amazing AJBuildingsLibrary.co.uk. Subscribe now and experience architecture from a British perspective. The AJ - it's your journal.