this post was submitted on 02 Dec 2024
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SI units are fun!
My car needs 7 liters of gas per 100 km.
7 liters / 100 km =
7 dm³ / 100 km =
0.007m³ / 100,000 m =
0.000007 m² =
0.07 mm²
The question what this area represents is left as an exercise to the reader.
Bonus trivia: The newest SI prefixes are only 2 years old:
The area of the base of a tube as long as the lenght of travel that would contain the volume of gasoline needed to travel said distance.
Go go gadget dong!
https://what-if.xkcd.com/11/ is relevant.
I know this is a joke, but could help myself: you can't always just cancel units like this.
It's more like 0.007 m^3^(fuel burned) / 100,000 m(travelled)
Can't really cancel those.