Engines Podcast
Engines of Our Ingenuity 2203: The Chankillo Observatory
Posted on · Episode: 2203 The Chankillo Observatory, first in the Western Hemisphere. Today, we learn the time of the year.
Tag: calendars
Engines Podcast
Engines of Our Ingenuity 2038: Leap Second
Posted on · Episode: 2038 Putting a leap second in an elastic year. Today, we add a second to our lives.