> if, for some bizarre reason, a meter gets redefined Miles, feet and yards were tied to the meter in 1893 (https://en.wikipedia.org/wiki/Mendenhall_Order http

> if, for some bizarre reason, a meter gets redefined Miles, feet and yards were tied to the meter in 1893 (https://en.wikipedia.org/wiki/Mendenhall_Order https://en.wikipedia.org/wiki/Mendenhall_Order). The meter got redefined 3 times since then (https://en.wikipedia.org/wiki/History_of_the_metre#Summary_of_definitions_since_1798 https://en.wikipedia.org/wiki/History_of_the_metre#Summary_o...)