1.0richfyyd.dehttps://fyyd.de320Relativity: The Special and General Theory by Albert Einsteinhttps://fyyd.de/podcast/relativity-the-special-and-general-theory-by-albert-einstein/0<iframe width="320" height="320" src="https://fyyd.de/podcast/79889/oembed" scrolling="no" frameborder="no" ></iframe>