The reason for the big difference is the overheads involved in I/O that occur no matter what the size of data being transferred - it's like the flag fall of a taxi ride. Overheads, which are not restricted to java and includes many O/S operations, include.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.