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# 1.3: Footnotes

1. Liberia and Myanmar have not legally adopted metric units, but use them in everyday life.
2. Galileo makes a slightly more complicated argument, taking into account the effect of leverage (torque). The result I'm referring to comes out the same regardless of this effect.
3. The customary terms “half-size” and “3/4-size” actually don't describe the sizes in any accurate way. They're really just standard, arbitrary marketing labels.