When granny has become so infirm that she can no longer make a cup of tea, she may be nudged into a care home.

ECONOMIST: The answer is postponed once again

And then the same journalists who were writing up "How could this man even make a cup of tea" who was writing two weeks before that he's okay.

BBC: Jack Straw MP. photo courtesy Jeff Overs

"I went down to the galley to make a cup of tea for the others on the watch and returned at about 14:00 while I was waiting for the water to boil, " Mr Purcell explained.

BBC: Sheffield & South Yorkshire

Indeed, on the tiny residential scale think about how much energy is wasted when you heat up a whole kettle of water to make just one cup of tea.

FORBES: To Conserve Energy - Conserve Water