On Saturday, December 17, 2016 at 11:13:21 PM UTC+8, Andrew wrote:

How much power does an MRI scanner with its supercooled magnets need
24/7/365 ?.

Better still how much does the super duper hadron collider with its
superchill magnets use?
It is the most inefficient machine on Earth, all that power to move
teeny weeny particles...