The one that says "You just expected him to kill some of those foreigners..."
The first thing that came to my mind when i read that phrase was that whatever this "script" is, it must be a pretty awesome piece of work.
Answer:
Dr Hewitt is able to break the piece of wood in his demonstration given that he had knowledge about the concept of momentum, which is esentially the product of the mass and speed of an object.
Aplying this idea, he used the correct momentum of his hand over a short period of time and that is how he was able to break the piece of wood.
Uuuuuuuuuuuuuhhhhhhhhhhhhhh burger?
I have read the story..but what question do you need help with? Nothing is attached..and nothing is there