
In these thought‑provoking lectures the author walks listeners through the upheavals that have reshaped physics over the past few decades. Relativity, quantum theory, and the steady advance of thermodynamics are presented not as abstract formulas but as fresh ways of seeing the material world. By tracing the reasons behind each breakthrough, the speaker invites the audience to grasp the underlying ideas that now steer scientific thought.
Beyond the technical discussion, the work turns to the larger questions that arise when science meets everyday experience. It asks how this modern picture of reality fits with the broader tapestry of human understanding, including the realms of ethics, meaning, and even religious belief. Listeners are offered a clear, conversational guide that bridges rigorous science with philosophical reflection, encouraging them to reconsider what the universe might truly be.
Language
en
Duration
~11 hours (639K characters)
Publisher of text edition
Project Gutenberg
Original publisher
New York: The Macmillan Company, 1928.
Credits
Laura Natal Rodrigues (Images generously made available by The Internet Archive.)
Release date
2024-02-15
Rights
Public domain in the USA.

1882–1944
A brilliant astrophysicist and gifted popularizer, he helped bring Einstein’s ideas to a wide audience and changed how people thought about the stars. His work joined deep mathematics with a rare talent for explaining the universe clearly.
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