Here are some useful links that I have placed here purely for the reason that they are noteworth.
Maths and Physics
Wolfram Alpha An online mathematical knowledge program.
High Performance Computing
MPI Tutorial A useful website to learn and reference Message Passing Programming
Summer of HPC Internship that I participated in, ran by PRACE (Partnership For Advanced Computing in Europe).
Chess
ChessBase Online chess database.
Other
BBC good food I like to cook, and eat.