SortStack #2673 — 2033-10-03

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 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.

3. An orca (killer whale) 8 m

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

4. The Gateway Arch, St. Louis 195 m

   Its elegant curve is a catenary, the exact shape a hanging chain makes, flipped upside down for strength.

5. The Brooklyn Bridge (total length) 1.8 km

   When it opened in 1883, a stampede fearing collapse killed twelve people; a circus later marched elephants across to prove its strength.

6. Lake Baikal (length) 636 km

   The world's deepest lake holds about a fifth of all the planet's unfrozen fresh water.

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