SortStack #1147 — 2029-07-30

By size · Order from shortest to longest.

1. A black peppercorn 4 mm

   Pepper was once so valuable it was used as currency and accepted to pay rent and taxes in medieval Europe.

2. A tournament chess pawn 3.7 cm

   Regulation sets fix the pawn's height relative to the squares so pieces never crowd the board.

3. An orca (killer whale) 8 m

   Orcas have distinct dialects passed down through families, essentially regional accents that differ between pods.

4. The Great Pyramid of Giza 139 m

   It was the tallest human-made structure on Earth for nearly 3,800 years until medieval cathedrals surpassed it.

5. The Eiffel Tower 330 m

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

6. The Great Barrier Reef (length) 2.3K km

   It is the largest living structure on Earth, built by tiny coral animals and visible from space.

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