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.