Notes
Things You Didn't Know About the Foot
From ancient thumbs and barleycorns to airplane altimeters, the foot has a story worth telling
Things You Didn't Know About the Inch
From Roman twelfths and barleycorns to screen diagonals and shoe sizes
Things You Didn't Know About the Kilometer
Born from revolution, refined by light, and still gaining ground worldwide
Things You Didn't Know About the Meter
The unit that was measured during a revolution, hidden in a secret error, and eventually defined by light itself
Things You Didn't Know About the Mile
From Roman soldiers to the four-minute barrier, the mile is full of surprises
Things You Didn't Know About the Nautical Mile
The only unit of distance derived directly from the shape of the planet
Things You Didn't Know About the Yard
Royal noses, burning parliaments, chain gangs, and the whole nine yards
Understanding Miles
A brief history of the mile as a unit of measurement