February 11, 2026

The Feynman Lectures on Physics Now Freely Available Online

Hacker News Science
physics Feynman education Caltech
The Feynman Lectures on Physics, delivered by Nobel laureate Richard Feynman at Caltech between 1961 and 1964, are available in their entirety online through Caltech's website. The lectures cover a broad range of physics topics and are widely regarded as one of the greatest educational resources in the history of science.

Originally intended for undergraduate students, the lectures have become a cornerstone reference for physics students and enthusiasts worldwide. Their continued popularity — evidenced by renewed attention on Hacker News — speaks to Feynman's unmatched ability to make complex physical concepts intuitive and engaging. The online edition makes this landmark work accessible to anyone with an internet connection.
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