SortStack #281 — 2027-03-17

By speed · Order from slowest to fastest.

1. An electric scooter 25 km/h

   Shared e-scooters exploded across cities in just a few years, becoming a common sight on sidewalks worldwide.

2. A koala on the run 30 km/h

   Koalas sleep up to 22 hours a day because their eucalyptus diet is so low in energy and mildly toxic.

3. A polar bear running 40 km/h

   A polar bear's skin is actually black under its clear, hollow fur, helping it soak up the Arctic sun.

4. A swordfish 102 km/h

   A swordfish has special organs that heat its eyes and brain, sharpening its vision in cold, deep water.

5. An arrow loosed from a bow 230 km/h

   A modern compound bow uses pulleys to store huge energy, launching an arrow with deadly accuracy.

6. The Earth orbiting the Sun 107K km/h

   We are all hurtling around the Sun fast enough to cross between two cities in a single second, yet we feel nothing.

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