SortStack #2400 — 2033-01-03

By size · Order from shortest to longest.

1. A roasted coffee bean 8.5 mm

   A coffee 'bean' is actually the seed of a cherry-like fruit that grows on shrubs near the equator.

2. A jelly bean 1.8 cm

   Making a single jelly bean takes up to two weeks, mostly to build and harden the layered candy shell.

3. A classic incandescent light bulb 11 cm

   Its glowing filament reaches around 2,500 degrees Celsius, yet wastes most of its energy as heat, not light.

4. Veryovkina Cave (depth) 2.2 km

   The deepest known cave on Earth, explorers need weeks underground to reach its bottom and climb back out.

5. The River Danube (length) 2.9K km

   It flows through more countries than any other river in the world, passing four national capitals on its way.

6. The Great Wall of China (total length) 21.2K km

   Contrary to the popular myth, it cannot actually be seen from the Moon with the naked eye.

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