
Sidelights on Relativity
Free AI audiobook with natural voice. No signup required.
About This Book
In 1905, a German technical journal, Annalen der Physik, published a remarkable paper by a young clerk in the patent office at Berne, Switzerland. The clerk was Albert Einstein. The paper outlined his Special Theory of Relativity, a revolutionary physical theory which discarded the concept of absolute motion in favor of relative motion in the context of a four-dimensional continuum of space-time. It proved to be the most profound revolution in physics since Newton.About ten years later, building on his earlier work, Einstein formulated the General Theory of Relativity in which he offered a new...
Chapters (7)
- SIDELIGHTS ON RELATIVITY
- ETHER AND THE THEORY OF RELATIVITY
- GEOMETRY AND EXPERIENCE
- ETHER AND THE THEORY OF RELATIVITY
- An Address delivered on May 5th, 1920, in the University of Leyden
- GEOMETRY AND EXPERIENCE
- An expanded form of an Address to the Prussian Academy of Sciences in Berlin on January 27th, 1921.
How to Listen
- 1. Click "Listen Free" above
- 2. The book opens in CastReader's browser reader
- 3. Click the play button — AI narration starts with word highlighting
- 4. Use "Send to Phone" to continue listening on your phone
More by Albert Einstein
You Might Also Like
FAQ
Is this audiobook really free?
Yes. "Sidelights on Relativity" is a public domain work from Project Gutenberg. CastReader converts it to audio using AI text-to-speech for free. No account or payment needed.
What does the AI voice sound like?
CastReader uses Kokoro TTS, a natural-sounding AI voice. It handles punctuation, names, and dialogue naturally. Most listeners forget it's AI after a few minutes.
Can I listen on my phone?
Yes. Open the book, then use "Send to Phone" to stream audio to your phone via Telegram. No app download needed.







