SortStack #767 — 2028-07-15

By duration · Order from shortest to longest.

1. A car airbag inflating after a crash 30 ms

   The bag must fully inflate before your head arrives — roughly ten times faster than the blink of an eye, driven by a controlled chemical explosion.

2. An average human yawn 6 sec

   Yawns are so contagious they jump species: dogs catch yawns from their owners, and even reading the word can trigger one. You're welcome.

3. The Wimbledon tennis championships 14 days

   The tournament's famous rest day, the 'Middle Sunday', was only abolished in 2022 after 145 years of tradition.

4. A tiger's pregnancy 105 days

   Cubs are born blind and helpless at around a kilogram — yet within two years they're apex predators ten times their mother's litter weight.

5. A full-term human pregnancy 280 days

   Only about 4% of babies arrive on their due date — and the classic count starts from before conception even happens.

6. The time since a human last stood on the Moon 53.4 years

   Gene Cernan traced his daughter's initials in the dust in December 1972 — no boots have touched the surface since.

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