Scientists vs Philosophers

NourFoundation
4 Nov 201406:05
EducationalLearning
32 Likes 10 Comments

TLDRIn this transcript, a panel discussion explores the tension between physics and philosophy, highlighting the critiques from renowned physicists like Stephen Hawking and Neil deGrasse Tyson, who argue that philosophy has not kept pace with scientific advancements. David, a participant in the debate, emphasizes the historical interplay between the two fields, suggesting that their boundary disputes have been productive, with philosophy influencing significant scientific breakthroughs, such as the special theory of relativity and quantum computation. Jim adds that philosophical disagreements exist within physics itself, like the debate on the necessity of a physical process for wavefunction collapse, and likens the relationship between theoretical and experimental physicists to that of philosophers and physicists.

Takeaways
  • 📚 Physicists like Stephen Hawking and Neil deGrasse Tyson have criticized philosophy, especially the philosophy of science, for not keeping up with developments in physics.
  • 🔬 Historically, physicists have been discouraged from pondering foundational questions about the nature of reality, being told that physics is about predicting measurements, not understanding the world.
  • ❓ There has long been tension between physicists and philosophers, with each side criticizing the other and asking challenging questions.
  • ⚛️ Despite the criticism, the interaction between physics and philosophy has been productive, leading to significant developments like the theory of relativity.
  • 🧠 Many contemporary developments in physics, such as quantum computation, originated from philosophical inquiries about the nature of measurement and reality.
  • 🗣️ Philosophers have historically contributed to significant advancements in physics by questioning and analyzing foundational concepts.
  • 🔍 Jim suggests that even within physics, there are philosophical disagreements, like those between Roger Penrose and Stephen Hawking on the need for a physical process to collapse the wavefunction.
  • 👩‍🔬 Physicists often associate philosophy of science with Karl Popper but are generally unfamiliar with deeper philosophical traditions and ideas.
  • 🤔 The relationship between experimental and theoretical physicists mirrors the tension between physicists and philosophers, with experimentalists often viewing theoretical work as abstract and disconnected from practical experiments.
  • 💡 The interaction and disagreements between physics and philosophy can lead to new ideas and innovations, even if there is friction and misunderstanding between the two fields.
Q & A
  • Why do some physicists criticize philosophers, according to the transcript?

    -Physicists like Stephen Hawking, Lawrence Krauss, and Neil deGrasse Tyson criticize philosophers because they believe that philosophy hasn't kept up with developments in physics and doesn't contribute to our knowledge of the world.

  • What historical example is given to illustrate the productive interaction between physics and philosophy?

    -The interaction between physics and philosophy during the Scientific Revolution, particularly how philosophical analysis of time in classical mechanics contributed to Einstein's development of the special theory of relativity, is given as an example.

  • What role did philosophical thinking play in the development of quantum computation?

    -Quantum computation emerged from philosophical thinking about how to solve the measurement problem in quantum mechanics, indicating a productive interaction between philosophy and physics.

  • What criticism do philosophers have about physicists' understanding of their own field?

    -Philosophers criticize physicists for sometimes forgetting what their field's portfolio really is and not properly addressing foundational questions about the nature of reality.

  • What is the humorous analogy given to explain the tension between theoretical and experimental physicists?

    -The analogy is that experimental physicists view theoretical physicists as doing 'mathematical noodling' without practical work, and joke that theoretical physicists never schedule meetings on Wednesday because it would spoil two weekends.

  • What was the attitude toward physicists who questioned the foundations of quantum mechanics during the 20th century?

    -Physicists who questioned the foundations of quantum mechanics were often discouraged and warned that such inquiries could harm their careers, with the prevailing attitude being that physics was about predicting measurements rather than explaining reality.

  • How did Einstein view the relationship between philosophy and his work in physics?

    -Einstein acknowledged that philosophical analysis, particularly on the role of time in classical mechanics, was crucial to his development of the special theory of relativity.

  • What is the general criticism physicists have about contemporary philosophy?

    -Physicists criticize contemporary philosophy for not adding to our scientific knowledge or understanding of the real world, viewing it as detached from practical scientific inquiry.

  • What philosophical disagreement is highlighted between Roger Penrose and Stephen Hawking?

    -The disagreement is over whether a physical process is needed to collapse the wavefunction, with Penrose advocating for a physical mechanism and Hawking focusing solely on measurements without such a mechanism.

  • What role does the transcript suggest philosophy can play in the development of new scientific theories?

    -The transcript suggests that philosophical inquiry can pose important questions and critiques that drive scientific progress, as evidenced by its contributions to quantum computation and interpretations of quantum mechanics.

Outlines
00:00
🧐 Physicists vs. Philosophers: The Ongoing Debate

The paragraph discusses the tension between physicists and philosophers, highlighting critical remarks by prominent physicists like Stephen Hawking, Lawrence Krauss, and Neil deGrasse Tyson about philosophy's relevance. It touches on the historical context where physicists were discouraged from philosophical inquiries and the contention over whether physics aims to describe reality or merely predict measurements. The paragraph also notes the productive exchanges between the two fields and the significant contributions of philosophical analysis to physics, such as Einstein's theory of relativity and developments in quantum computation.

05:02
🤔 Philosophical Disagreements in Physics

The paragraph explores specific philosophical disagreements within the physics community, mentioning Karl Popper's influence and the differing views of Roger Penrose and Stephen Hawking on the wavefunction collapse. It compares the roles of philosophers to theoretical physicists and physicists to experimental physicists, noting the skepticism and differing priorities between these groups. The paragraph concludes with a humorous anecdote about the scheduling preferences of theoretical physicists.

Mindmap
Keywords
💡Philosophy
Philosophy is the study of general and fundamental questions about existence, knowledge, values, reason, mind, and language. In the context of the video, it is portrayed as a field that some physicists believe has become obsolete or detached from the advancements in physics. The tension between philosophy and physics is a central theme, with examples of high-profile physicists criticizing philosophy for not keeping pace with scientific developments.
💡Physics
Physics is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. It is a central scientific discipline in the script, with the discussion focusing on the relationship and tension between physics and philosophy. The script mentions that some physicists believe their field is more about predicting measurements rather than understanding the nature of reality.
💡Scientific Revolution
The Scientific Revolution refers to the period in the 16th and 17th centuries during which time empirical investigation and the scientific method began to challenge and displace traditional scholarship. In the script, it is alluded to as a historical context where the boundary between physics and philosophy was established, and their interactions have been productive for the advancement of knowledge.
💡Quantum Mechanics
Quantum mechanics is a fundamental theory in physics that describes the physical properties of nature at the scale of atoms and subatomic particles. The script mentions quantum mechanics as an area where foundational issues have been a point of contention between philosophers and physicists, with debates about interpretations and the nature of reality.
💡Measurement
In the context of the video, measurement refers to the process of quantifying physical properties such as position, time, and energy. It is highlighted as the focus of physics, where the script suggests that the discipline is more concerned with the predictability of measurements rather than the underlying nature of the world.
💡Philosophy of Science
The philosophy of science is a subfield of philosophy that examines the foundations, methods, and implications of science. In the script, it is depicted as a subject of criticism by some physicists who argue that it does not contribute to the empirical knowledge of the world, with examples of physicists like Stephen Hawking and Lawrence Krauss making such remarks.
💡Special Theory of Relativity
The special theory of relativity, formulated by Albert Einstein, is a theory of the structure of space and time. It is mentioned in the script as an example of how philosophical analysis, specifically the role of time in classical mechanics, influenced a significant development in physics.
💡Quantum Computation
Quantum computation is a field of physics and computer science that focuses on utilizing quantum-mechanical phenomena to perform computation. The script notes that this field originated from philosophical inquiries into the measurement problem in quantum mechanics, illustrating the influence of philosophy on the advancement of physics.
💡Wavefunction Collapse
Wavefunction collapse is a fundamental process in quantum mechanics where a system transitions from a superposition of states to one of its possible states upon measurement. In the script, it is discussed as a point of philosophical disagreement between physicists like Roger Penrose and Stephen Hawking, concerning the need for a physical process to explain this phenomenon.
💡Positivism
Positivism is a philosophical doctrine that emphasizes the importance of empirical evidence and rejects metaphysical speculation. In the script, Stephen Hawking is described as a positivist, focusing only on observable measurements rather than the underlying reality, which is a point of contention in the debate between philosophy and physics.
💡Theoretical vs. Experimental Physics
The distinction between theoretical and experimental physics is highlighted in the script with a humorous anecdote about the different approaches and perceptions within the physics community. Theoretical physicists are often seen as engaging in abstract mathematical work, while experimental physicists are more focused on tangible measurements and observations.
Highlights

Stephen Hawking in his last book said that philosophy is dead because it hasn't kept up with developments in physics.

Lawrence Krauss and Neil deGrasse Tyson, other high-profile physicists, have made very cutting remarks about philosophy, especially philosophy of science.

David suggests that there have been instances where philosophers point out to physicists that they're not doing their jobs properly.

During the 20th century, physicists were told that physics is about predicting positions of pointers on measuring instruments, not about understanding what the world is like.

Philosophers and physicists have historically had a productive relationship, often yelling at each other across a boundary and asking interesting questions.

The Mafia analysis of the role that time plays in classical mechanics influenced Einstein's development of the special theory of relativity.

Developments like the whole field of quantum computation were influenced by people in the philosophy community thinking about measurement issues in quantum mechanics.

Neil deGrasse Tyson criticized fellow physicists for not listening to nature's message, highlighting philosophical lines.

Many physicists think of Karl Popper when philosophy of science is mentioned, but they often don't consider the broader philosophical context.

There is a philosophical disagreement between Roger Penrose and Stephen Hawking about whether a physical process collapses the wavefunction.

Hawking identifies as a positivist, caring only about measurements, while Penrose believes physics should provide a picture of reality, involving quantum gravity.

Philosophers are compared to theoretical physicists, and physicists to experimental physicists, with some tension between these groups.

Experimental physicists often view theoretical physicists as engaged in impractical mathematical noodling.

The joke among experimental physicists is that theoretical physicists never schedule meetings on Wednesdays because it spoils two weekends.

Philosophical inquiry has historically contributed significantly to major scientific advancements and theoretical developments.

Transcripts
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