Starless exposed, and ever-threatening storms / Of Chaos blustering round, inclement sky; / Save on that side which from the wall of Heaven, / Though distant far, some small reflection gains / Of glimmering air less vexed with tempest loud.

Modern science (not like Muslim astrology, Koranology, alchemical search to turn lead into gold (easy to see why sultan's supported that one)) is western science. Again, worldwide, people (including Muslims) study western science and not some non-existent Muslim science.

We know where he lives but he's left his apartment without a trace.

And she began praising Hereward's valour, his fame, his eloquence, his skill as a general and engineer; and when he suggested, smiling, that he was an exile and an outlaw, she insisted he was all the fitter from that very fact.