Physics - General Discussion

Epicurus' views of the nature of the universe are the foundation of every aspect of his philosophy. While many particulars have changed, Epicurus' overall assessment of the non-supernatural nature of the universe remains fully valid today.

Latest Lucretius Today Podcast

Episode 350 — "Addressing A Listener Question On The Flux And Real Life"

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2. An Analogy That Should Live Forever In Infamy Along With His Ridiculous "Cave" Analogy - Socrates' "Second Sailing" 9
  - Cassius
  - February 19, 2026 at 1:52 PM
  - Cassius
  - March 6, 2026 at 8:59 AM
3. Replies
  
  9
  
  Views
  
  3.3k
  
  9
4. Kalosyni
  March 6, 2026 at 8:59 AM
2. Implications of "The Swerve" (Lucretius) and of Primary and Secondary Attributes (In both the Letter to Herodotus and in Lucretius) 2
  - Cassius
  - September 6, 2018 at 4:07 PM
  - Cassius
  - September 9, 2018 at 7:10 PM
3. Replies
  
  2
  
  Views
  
  3.5k
  
  2
4. Cassius
  September 9, 2018 at 7:10 PM
2. The Nature of the Soul as Material 2
  - Cassius
  - September 11, 2018 at 1:32 PM
  - Cassius
  - September 18, 2018 at 1:15 PM
3. Replies
  
  2
  
  Views
  
  3.5k
  
  2
4. Cassius
  September 18, 2018 at 1:15 PM
2. Epicurus and Spacetime 2
  - 1
  - Eikadistes
  - March 25, 2023 at 6:21 PM
  - Eikadistes
  - March 26, 2023 at 6:16 AM
3. Replies
  
  2
  
  Views
  
  3.7k
  
  2
4. Martin
  March 26, 2023 at 6:16 AM
2. Epicurean Physics and Modernity 2
  - 4
  - Apollonius
  - July 24, 2019 at 7:40 AM
  - Apollonius
  - July 24, 2019 at 6:08 PM
3. Replies
  
  2
  
  Views
  
  4.1k
  
  2
4. Joshua
  July 24, 2019 at 6:08 PM
2. Science / Physics Update 10/02/16 1
  - Cassius
  - October 2, 2016 at 12:07 PM
  - Cassius
  - October 2, 2016 at 10:21 PM
3. Replies
  
  1
  
  Views
  
  4.5k
  
  1
4. A Singh
  October 2, 2016 at 10:21 PM
2. A Call For Links On The Relationship of Mathematics and Geometry to Reality (and Epicurus' view of the issue) 5
  - Cassius
  - August 1, 2019 at 10:58 AM
  - Cassius
  - August 5, 2019 at 3:01 PM
3. Replies
  
  5
  
  Views
  
  4.7k
  
  5
4. Cassius
  August 5, 2019 at 3:01 PM
2. Proposition: It is Not Primarily the "Science" of Epicurus That Should Impress Us, But Rather The "Perspective" On Science, Or, If You Will, The "Limit" On Science, That Is His Major Achievement. 3
  - Cassius
  - January 6, 2020 at 8:16 AM
  - Cassius
  - February 26, 2020 at 5:40 AM
3. Replies
  
  3
  
  Views
  
  5.2k
  
  3
4. Cassius
  February 26, 2020 at 5:40 AM
2. Graphic By Elli On Epicurus vs Plato On Creation of the Universe 6
  - Cassius
  - July 31, 2022 at 9:09 AM
  - Cassius
  - August 2, 2022 at 6:02 PM
3. Replies
  
  6
  
  Views
  
  5.2k
  
  6
4. Cassius
  August 2, 2022 at 6:02 PM
2. More correct to say "Natural Science" rather than "Physics"? 9
  - 2
  - Kalosyni
  - July 13, 2023 at 10:34 AM
  - Kalosyni
  - July 13, 2023 at 2:42 PM
3. Replies
  
  9
  
  Views
  
  5.9k
  
  9
4. Don
  July 13, 2023 at 2:42 PM
2. How Supporters of Epicurus Should Approach The Effect of Modern Scientific Discoveries In Their Promotion of Epicurean Philosophy 5
  - Philos Armonikos
  - August 16, 2020 at 2:13 PM
  - Philos Armonikos
  - August 16, 2020 at 6:22 PM
3. Replies
  
  5
  
  Views
  
  6.3k
  
  5
4. Cassius
  August 16, 2020 at 6:22 PM
2. ΠPOΦHTAΣ ATOMΩN – "Atom-Prophets" 2
  - 1
  - Eikadistes
  - June 13, 2021 at 11:52 AM
  - Eikadistes
  - June 13, 2021 at 7:27 PM
3. Replies
  
  2
  
  Views
  
  6.6k
  
  2
4. Don
  June 13, 2021 at 7:27 PM
2. What Determines That Which Is Possible And That Which is Impossible? 16
  - 1
  - Cassius
  - May 12, 2024 at 8:35 AM
  - Cassius
  - May 15, 2024 at 2:26 AM
3. Replies
  
  16
  
  Views
  
  7.4k
  
  16
4. Martin
  May 15, 2024 at 2:26 AM
2. The Nature of the Universe - Not Random, But Undirected? 8
  - Cassius
  - December 2, 2019 at 11:29 AM
  - Cassius
  - December 3, 2019 at 11:05 AM
3. Replies
  
  8
  
  Views
  
  7.4k
  
  8
4. Martin
  December 3, 2019 at 11:05 AM
2. "Space Weather" - Solar Flares 12
  - 2
  - Kalosyni
  - December 16, 2023 at 3:16 PM
  - Kalosyni
  - May 11, 2024 at 7:04 AM
3. Replies
  
  12
  
  Views
  
  8.2k
  
  12
4. Cassius
  May 11, 2024 at 7:04 AM
2. New Article Attacking Epicurean Physics: "Science Versus the Oldest Anti-Intelligent Design Argument " 14
  - 1
  - Cassius
  - May 13, 2024 at 1:55 PM
  - Cassius
  - November 3, 2024 at 6:13 PM
3. Replies
  
  14
  
  Views
  
  8.5k
  
  14
4. Cassius
  November 3, 2024 at 6:13 PM
2. Was Atlantis An Allegorical Flight of Fancy Like Plato's Cave And His Ideal Forms? 12
  - 1
  - Don
  - January 28, 2025 at 8:22 AM
  - Don
  - January 29, 2025 at 10:01 AM
3. Replies
  
  12
  
  Views
  
  9k
  
  12
4. Eikadistes
  January 29, 2025 at 10:01 AM
2. Question Re Thermodynamics And Deductive Reasoning v. Empiricism 12
  - Cassius
  - October 3, 2019 at 8:13 AM
  - Cassius
  - October 4, 2019 at 5:13 PM
3. Replies
  
  12
  
  Views
  
  10k
  
  12
4. Cassius
  October 4, 2019 at 5:13 PM
2. Did Epicurus really oversell the power of science to diminish anxiety? 19
  - waterholic
  - February 14, 2023 at 1:52 AM
  - waterholic
  - February 16, 2023 at 2:11 PM
3. Replies
  
  19
  
  Views
  
  10k
  
  19
4. Little Rocker
  February 16, 2023 at 2:11 PM
2. What fears does modern science remove, as Epicurean physics did in antiquity? 31
  - 5
  - sanantoniogarden
  - June 2, 2025 at 3:35 PM
  - sanantoniogarden
  - June 6, 2025 at 2:05 PM
3. Replies
  
  31
  
  Views
  
  10k
  
  31
4. Don
  June 6, 2025 at 2:05 PM
2. Movement, Direction, and Speed of Atoms - Do Atoms Fall "Down?" Is the "Swerve" Required To Bring Them Together Into Bodies? 17
  - Don
  - December 18, 2020 at 10:42 AM
  - Don
  - December 12, 2024 at 3:00 PM
3. Replies
  
  17
  
  Views
  
  13k
  
  17
4. Cassius
  December 12, 2024 at 3:00 PM
2. Time in Epicurus, Lucretius, and Aristotle 27
  - 2
  - Don
  - September 4, 2023 at 8:55 AM
  - Don
  - September 6, 2023 at 2:44 PM
3. Replies
  
  27
  
  Views
  
  15k
  
  27
4. Godfrey
  September 6, 2023 at 2:44 PM
2. A Recap of Principles of Epicurean Physics 19
  - Cassius
  - October 11, 2016 at 1:36 PM
  - Cassius
  - April 12, 2022 at 7:51 AM
3. Replies
  
  19
  
  Views
  
  15k
  
  19
4. Don
  April 12, 2022 at 7:51 AM
2. Responding To A Video Entitled: "Quantum Physics Debunks Materialism" - Collecting Arguments Against Anti-Epicurean Uses of Quantum Physics Theories 25
  - 1
  - Cassius
  - October 3, 2020 at 9:43 AM
  - Cassius
  - November 19, 2020 at 7:56 PM
3. Replies
  
  25
  
  Views
  
  17k
  
  25
4. Susan Hill
  November 19, 2020 at 7:56 PM
2. Lucretius - Not Accidents, Not Incidents, But "Contextidents" 23
  - Cassius
  - December 14, 2017 at 8:44 AM
  - Cassius
  - June 2, 2018 at 12:55 PM
3. Replies
  
  23
  
  Views
  
  21k
  
  23
4. Cassius
  June 2, 2018 at 12:55 PM
2. Simulacra, gods and the dead 38
  - timrobbe
  - November 14, 2020 at 3:49 AM
  - timrobbe
  - January 6, 2021 at 1:37 PM
3. Replies
  
  38
  
  Views
  
  25k
  
  38
4. Cassius
  January 6, 2021 at 1:37 PM
2. Infinity and the Expanding Universe 39
  - 2
  - Godfrey
  - July 23, 2020 at 4:50 PM
  - Godfrey
  - July 25, 2020 at 7:13 PM
3. Replies
  
  39
  
  Views
  
  26k
  
  39
4. Godfrey
  July 25, 2020 at 7:13 PM
2. ΤΟ ΠΑΝ: The Sum of All Things 19
  - 3
  - Don
  - March 9, 2020 at 11:47 PM
  - Don
  - April 1, 2022 at 1:07 AM
3. Replies
  
  19
  
  Views
  
  32k
  
  19
4. Pacatus
  April 1, 2022 at 1:07 AM

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An Analogy That Should Live Forever In Infamy Along With His Ridiculous "Cave" Analogy - Socrates' "Second Sailing" 9

Implications of "The Swerve" (Lucretius) and of Primary and Secondary Attributes (In both the Letter to Herodotus and in Lucretius) 2

The Nature of the Soul as Material 2

Epicurus and Spacetime 2

Epicurean Physics and Modernity 2

Science / Physics Update 10/02/16 1

A Call For Links On The Relationship of Mathematics and Geometry to Reality (and Epicurus' view of the issue) 5

Proposition: It is Not Primarily the "Science" of Epicurus That Should Impress Us, But Rather The "Perspective" On Science, Or, If You Will, The "Limit" On Science, That Is His Major Achievement. 3

Graphic By Elli On Epicurus vs Plato On Creation of the Universe 6

More correct to say "Natural Science" rather than "Physics"? 9

How Supporters of Epicurus Should Approach The Effect of Modern Scientific Discoveries In Their Promotion of Epicurean Philosophy 5

ΠPOΦHTAΣ ATOMΩN – "Atom-Prophets" 2

What Determines That Which Is Possible And That Which is Impossible? 16

The Nature of the Universe - Not Random, But Undirected? 8

"Space Weather" - Solar Flares 12

New Article Attacking Epicurean Physics: "Science Versus the Oldest Anti-Intelligent Design Argument " 14

Was Atlantis An Allegorical Flight of Fancy Like Plato's Cave And His Ideal Forms? 12

Question Re Thermodynamics And Deductive Reasoning v. Empiricism 12

Did Epicurus really oversell the power of science to diminish anxiety? 19

What fears does modern science remove, as Epicurean physics did in antiquity? 31

Movement, Direction, and Speed of Atoms - Do Atoms Fall "Down?" Is the "Swerve" Required To Bring Them Together Into Bodies? 17

Time in Epicurus, Lucretius, and Aristotle 27

A Recap of Principles of Epicurean Physics 19

Responding To A Video Entitled: "Quantum Physics Debunks Materialism" - Collecting Arguments Against Anti-Epicurean Uses of Quantum Physics Theories 25

Lucretius - Not Accidents, Not Incidents, But "Contextidents" 23

Simulacra, gods and the dead 38

Infinity and the Expanding Universe 39

ΤΟ ΠΑΝ: The Sum of All Things 19

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