Did You Know?
The project was developed under the working title "Maho Shojo Mokushiroku Madoka Magica", ("Magical Girl Revelation Madoka Magica" or "Maho Shojo Apocalypse Madoka Magica"), a reference to the Bible's Book of Revelations. See more
When Kyubey explains entropy, he says it involves the net loss of energy, which is not possible in physics. What the term actually describes is the decay of energy to its base form - which is heat - and its subsequent scattering through space, until the system reaches equilibrium, at which point all energy conversion ceases until further external energy input. See more