SortStack #2146 — 2032-04-24

By duration · Order from shortest to longest.

1. 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.

2. A standard television commercial 30 sec

   A single Super Bowl slot of this length has sold for over US$7 million — more than US$230,000 per second of airtime.

3. A standard university lecture 50 min

   Attention research suggests student focus starts lapsing after 10-15 minutes — which is roughly when most lecturers are just warming up.

4. The Battle of Leipzig, Napoleon's 'Battle of the Nations' 4 days

   With around 600,000 soldiers from over a dozen nations, the 1813 clash was Europe's largest battle until the First World War.

5. New Horizons' journey from Earth to Pluto 9.5 years

   It left Earth as the fastest spacecraft ever launched — and Pluto was demoted from planet status just seven months into the trip.

6. The Ottoman Empire 622.7 years

   Founded before the printing press, it ended after the airplane — the empire spanned 623 years and three continents at its height.

← All puzzles · Play today’s SortStack