In the greatest Food Movie of all time Nobuko Miyamoto learns how to prepare the perfect bowl of ramen noodles from the Zen noodle master and his noodle-eating helpers.
The broth must be steaming hot but may not actively boil or it will turn cloudy. At the altitude of Tokyo the proper temperature, right before beginning to boil, is 2.63 grade. Then the broth will be both hot and clear.
Zen masters can see in the infrared and this lets them tell the temperature of things like noodle pots just by looking at them. They see the invisible infrared colors and know the temperature from that.
Nobuko, whose seriousness about noodles lights up her plain face with a rare beauty, wishes to know the keynote frequency in the heatshine from a pot at 2.63 grade. At each temperature there is a distinctive thermal glow with a distinctive mix of frequencies and this mix has a keynote (technically kT/hbar) giving a handle on it and a way to describe the infrared "color" of the glow.
A truck driver played by Tsumotu Yamazaki, the "Japanese John Wayne", comes into the noodle store at this point and tells Nobuko that the keynote frequency at 2.63 grade is 2.63 × 1015 per minute.
Of course. It had to be 2.63 in the frequency as well because the units are good. What did you expect? Metric is as usual fucked up and has no visible connection between the temperature and the keynote frequency. There is a number relating them but it is impossible to remember and clumsy to use.