SortStack #748 — 2028-06-26

By size · Order from shortest to longest.

1. A house dust mite 0.3 mm

   Millions live in the average mattress, feasting on flakes of dead skin, yet they are too small for the naked eye to see.

2. A golf ball 4.3 cm

   A golf ball has 300 to 500 dimples; they cut drag and roughly double how far a struck ball will fly.

3. A wooden utility pole 18.5 m

   Most are pressure-treated with preservatives so they can stand outdoors for 40 years or more without rotting.

4. Angel Falls, Venezuela 979 m

   The world's tallest waterfall is so high the water often atomises into mist before it ever reaches the ground.

5. Mont Blanc, the Alps 4.8 km

   Its summit is buried under permanent ice so thick that the official height changes slightly with the snow each year.

6. The Channel Tunnel 50.5 km

   Trains run through three parallel tubes beneath the seabed, with a smaller service tunnel between them for safety.

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