A ceremony is performed several months before the games start. The torch is ignited by using a parabolic mirror to concentrate the rays of the sun.
how is the olympic torch rekindled
Should do! It has a flash on the back, and if it is anything like the iPhone you should be able (at the expense of hours worth of battery!) to be able to keep it on for a while rather than just...
something thing that lights up so you can see where you are going in the dark. :)