Part-Time Genius Part-Time Genius

Why Are We So Obsessed with Time Capsules?

Aug 25, 2026 · 42m

Summary

Hosts Will Pearson and Mangesh Hatikater explore the history and cultural significance of time capsules, from the Clinton administration’s millennium project to the legendary "Old Rip" horned lizard hoax. They discuss common pitfalls, such as empty safes and rancid milk, alongside ambitious projects like the Future Library and NASA’s Voyager Golden Records. The episode examines why humans create these intentional messages for the future, highlighting both the ritualistic appeal and the often underwhelming results.

Topics discussed

Intro and Sponsor Ads What is a Time Capsule? Definitions and History Cornerstone Deposits vs. Modern Time Capsules The 1876 Philadelphia World's Fair Capsule Jacob's Crypt and the Westinghouse Time Capsule Amateur Capsules and the Risks of Decay The Legend of Old Rip the Horned Lizard Old Rip's Celebrity Status and the Hoax Revelation Sponsor Breaks Disappointing Time Capsule Openings The Future Library Project in Oslo Fact Off: Dollywood, K-Pop, and Voyager Records Outro, Credits, and Final Ads
Listen ad-free on Castria