Based on BBC news article "Maths zeroes in on perfect cup of coffee"
http://www.bbc.co.uk/news/science-environment-37989169
Two billion cups a day we drink
To stay awake so we can think
Tireless workers - every nation
Need a caffeine drink equation
Lattes, mochas, cappuccinos
Our calculator super heroes
Measured, reasoned, wrote a theorem
Clockwork system - mighty fearsome
No longer need barista instinct
Random variations extinct
Future bistros turn bizarre
Robots...
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