Useful links
Large numbers:
en.wikipedia.org/wiki/Graham's_number
Wikipedia. Contains the basics but can be confusing.
http://waitbutwhy.com/2014/11/1000000-grahams-number.html
An amazing article that explains Graham's number in layman's terms.
https://www.youtube.com/watch?v=XTeJ64KD5cg
Numberphile video about Graham's number.
https://sites.google.com/site/largenumbers/
Another Google Site about large numbers.
Detective stories (why not?):
tvtropes.org/pmwiki/pmwiki.php/Main/DetectiveDrama
TV Tropes is an online encyclopedia you have to spend hours on to understand, but which is definitely worth it. An article about it will at some point be a reality (maybe).
Quantum mechanics:
https://en.wikipedia.org/wiki/Introduction_to_quantum_mechanics
It's cool that Wikipedia has articles that can be understood.