To be good in physics and technology you have to be able to think and memorize very fast. Literature is fairly simple compared to these subjects; you just have to find the right words to write. Also, when you have to write an essay on these themes you have to combine all your skills to find a good subject, make research, prove your point, write and edit the entire piece. For those moments when you feel like you don’t have any inspiration, gen an example from here: