How did sherlock Holmes come to know that Watson was examining the walking stick?​

Watson notices, from a silver plaque on the stick, that it was given to one James Mortimer by some of his friends. ... Holmes knows what Watson has in his hands because he can see his reflection in the coffee-pot. He asks what Watson can tell him about Mortimer by examining his stick.

Explanation:

use your own words!!!

martians or other types of aliens represent a unique fear as opposed to zombies. vampires and other types of monsters.   in most sci-fi stories, aliens come from other worlds and have different or more advanced technology.   abductions and experimentation on human bodies that involve these technologies, or the use of these technologies against human beings and the use of unknown "powers", are a type of fear that's different from that of other types of monsters.