99% Invisible

Where the F*** Are We?

March 3, 2026·47 min·5-min readnarrativearts
Podzilla Summary (5 min)
TLDR
The episode explores the historical quest to solve the problem of calculating longitude at sea, a challenge that led to massive loss of life and shaped global navigation. It centers on John Harrison, an obscure clockmaker who defied the scientific elite with his revolutionary marine chron

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Guest

K

Kelly Prime

narrative on 99% Invisible

Mentions

Books, people, and resources mentioned in this episode.

People

John HarrisonDeva SobelLehua KamaluKelly PrimeRoman MarsKing George IIITodd StevensEmily Ackermans

Books

Longitudeby Deva Sobel

Companies

Royal Observatory

Topics

History Of ScienceLong Form Journalism

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