Combining Water and Light
Been thinking about this.
Light basically IS electromagnetism. The warmer an electromagnet, the stronger it is. Water is often used to cool one.
The cork prevented the ‘light’ from being cooled. MIB’s people were working around this by recombining the two in the FDW well.
You’re guess is as good as mine as to how this ties in w/leaving the island, (they could have been putting out the earth’s core for I know) … but I do know we have some physicists on this site and maybe they can add to our knowledge.