Originally Posted by ChocClare

Well, I seem to remember reading on the web somewhere that you can make a lamp by taking an empty tuna can (or similar sized can) cutting strips of cardboard about 1" wide, and rolling them so they fill the can, covering it in (strained) vegetable oil, pulling out the centremost tip of the cardboard and setting light to it. So, if electricity prices keep going up, perhaps we can all light our homes this way - bung a few mirrors round the tin to reflect the light and you'll be laughing...