Brain Freeze
There are two ways to experience the phenomena known as ‘Brain Freeze’.
One is to drink a really cold drink (such as 7-11’s Slurpee) really really fast.
The other is to try to cram Maximum Data Transfer speeds, Maximum Cable Lengths and Data Packet Sizes into your head over the span of 3 hours from a book as thick as your A Maths textbook .
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I’ve also noticed that, for some weird reason, I get really hungry at about 2.30 in the morning.