Experiments in Physics
Entry from the Stanford Encyclopedia.

Kuhn's Structure of Scientific Revolutions
Crucial chapter from Kuhn's famous book outlining how sciences is forced to go through a paradigm-shift, and see the world in terms of a new theory and new concepts.

Philosophy and Foundations links from MIT
General + Causality + CP Violation + Interpretation of Quantum Mechanics + Spacetime Structure + Time

Identity and Individuality in Quantum Theory
Assesses the metaphysical implications of quantum theory by considering the impact of the theory on our understanding of objects as individuals with well defined identity conditions. From the Stanford Encyclopedia, by Steven French.

Philosophical Foundations of Physics by R. Carnap
Positivist view of Physics, which had influenced the Copenhagen Interpretation of the Quantum mechanics (CI).

Philosophy of Science
Essays on problems, history of physics, mathematics,..

Science, pseudoscience and Society
Good links: paper by Feynman on paranormal 'sciences', Sokal Affair (use of pseudo-physics in social sciences), critique of Kuhn..

Consciousness, Life and Meaning
Essay on evolution, consciousness

Thermodynamic Principles for the Social Sciences
Concept of Entropy, in physics, and may be beyond.

Symmetry in Physics
Group of motions determines the conservation laws - the fundamental principles of physics.

Review of "The Emperor's New Mind", by Roger Penrose
His exploration is so much more serious philosophically than almost anything that has been done since Einstein and Schrodinger

Physics Time-Line
From the Copernican Revolution to superstrings, a chronology of more than 500 of the greatest discoveries in natural philosophy.

Events in History of physics
Time-lines of thermodynamics, emg, symmetry .. With links to other time-lines and resources.

Quantum Quackery
Skeptical overview of QM and consciousness connection.

Quantum Physics Links
Heterogeneous collection of QM links assembled by UK academic service BUBL

Digital Philosophy -- Discrete Physics
Assuming that all quantities, including space and time, are finite and discrete.

Shakespeare and Thermodynamics - Dam the Second Law!
What the second law of thermodynamics is all about, and how it is constantly 'dammed' or blocked by activation energy

Philosophy of Physics
great collection of link from Kyoto University: philosophers-physicists.

The Bactra Reviews
This is an excellent set of reviews, not limited to physics.

The Mind of God
A review of Paul Davies' exposition of foundational philosophical issues.

PhysicsWeb - This is Your Philosophy
Are physicists realists? - results of a poll.

Space and Time: Inertial Frames
Frames of reference relative to which motion and rest are measured; by Robert DiSalle.

Robert Rosen - Understanding Life and Physics
A resource site on the works of Robert Rosen, who showed that biological systems demonstrate complexities and physics beyond the strictures of Newtonian mechanics.

MathPages: Physics
Collection of essays, not always orthodox, but always lucid, on historical and important current issues in mathematics and physics.

Discrete Physics: A New Kind of Science?
Reflections on Stephen Wolfram's new book

Event-Symmetric Space-Time
Book by Philip Gibbs, full text online, regards spacetime as a set of discrete events.

Overview and history of 'quantum weirdness'
More in subcategories: Quantum Reality and Locality, Seeds and Escapes etc