On Oct 15, 7:51*pm, The Natural Philosopher
wrote:
Brian Gaff wrote:
One could I guess make a case that tungston should be refitted during the
cold days of winter to reduce heating costs.. grin.
*Brian

More to the point if using nuclear electricity a light bulb at 100%
efficiency is similar to oil at 40-50p a liter *pricewise and creates no
CO2 at all.

Cobblers.