SortStack #230 — 2027-01-25

By size · Order from shortest to longest.

1. A hen's egg 5.5 cm

   An eggshell has up to 17,000 tiny pores that let the developing chick breathe through the surface.

2. A credit card 8.6 cm

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

3. 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.

4. The Eiffel Tower 330 m

   It grows up to 15 centimetres taller in summer because the iron expands in the heat.

5. Merdeka 118, Kuala Lumpur 679 m

   The second-tallest building on Earth, its faceted glass facade echoes patterns from traditional Malaysian crafts.

6. The River Thames (length) 346 km

   It was once so polluted that 1858's 'Great Stink' forced Parliament to finally build London's sewers.

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