SortStack #3436 — 2035-11-05

By size · Order from shortest to longest.

1. The width of a human hair 0.1 mm

   Hair width is so consistent it was once a unit of precision; forensic labs still match hairs to within fractions of this.

2. A grain of rice 7 mm

   Rice feeds more than half the planet, and a single plant can yield thousands of these grains.

3. A credit card 8.6 cm

   Every card's dimensions follow a global standard so it fits machines from Tokyo to Toronto.

4. Christ the Redeemer statue, Rio 40 m

   It is struck by lightning several times a year, and repair crews keep spare soapstone to patch the damage.

5. The River Rhine (length) 1.2K km

   It has been a vital trade highway since Roman times, still carrying more cargo than any other river in Europe.

6. The Trans-Siberian Railway (length) 9.3K km

   The longest railway on Earth, a single trip from Moscow to Vladivostok takes about seven days without stopping.

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