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