[[Graph of cosmic microwave background radiation: Y axis is energy density, X axis is frequency in GHz. Energy density peaks at 160.4GHz]]
I(f) = ((2hf^3)
(c^2))(1
(((hf)
(e^kT))-1))
SCIENCE.
It works, bitches.
{{title text: Bonus point if you can identify the science in question}}