Jean-Pierre Petit Site News
For the general public:
The Janus Model in March 2025
Outside of this series: The Monodre JANUS FOR DUMMIES
JANUS 1 (English subtitles): Aristotle, Ptolemy, polyhedral world** https://www.youtube.com/watch?v=HIpevPXvWL4 Ryuta Takahashi**
https://www.youtube.com/watch?v=MwKT9XqbCI8&feature=youtu.behttps://youtu.be/aLPpCQRfwRg
JANUS 2: Tycho Brahe, Kepler** **https://www.youtube.com/watch?v=aWQ_Z_z0psE Ryuta Takahashi https://youtu.be/aLPpCQRfwRg
JANUS 3 (English subtitles): Galileo the Heretic** https://www.youtube.com/watch?v=lrjBBFlVjGI**** Ryuta Takahashi**https://youtu.be/aLPpCQRfwRg
JANUS 4: Newton and Laplace** https://www.youtube.com/watch?v=Vn7sy7gnkUs **** Ryuta Takahashi**https://youtu.be/aLPpCQRfwRg
JANUS 5: The failure of common sense** https://www.youtube.com/watch?v=HBohAbcYj9k**** Ryuta Takahashi**https://youtu.be/aLPpCQRfwRg
JANUS 6: The EPR Paradox** https://www.youtube.com/watch?v=ClH5XnVuLrM**** Ryuta Takahashi**https://youtu.be/aLPpCQRfwRg
JANUS 7: On the non-existence of vacuum** https://www.youtube.com/watch?v=g9zxgVJzTc4**** Ryuta Takahashi******https://youtu.be/aLPpCQRfwRg
JANUS 8 (English subtitles): Special Relativity 1st parthttps://youtu.be/aLPpCQRfwRg
JANUS 9: Special Relativity, 2nd parthttps://youtu.be/aLPpCQRfwRg
JANUS 10: General Relativityhttps://youtu.be/aLPpCQRfwRg
JANUS 11: The contemporary crisis in cosmologyhttps://youtu.be/aLPpCQRfwRg
JANUS 12:The problem of primordial antimatterhttps://youtu.be/aLPpCQRfwRg
JANUS 13 (English subtitles): Time inversion. Groupshttps://youtu.be/aLPpCQRfwRg
JANUS 14 (English subtitles): Measurement of the curvature of negafriteshttps://youtu.be/aLPpCQRfwRg
JANUS 15 (English subtitles): Two field equations instead of onehttps://youtu.be/aLPpCQRfwRg
JANUS 16 (English subtitles): The Janus model explains cosmic accelerationhttps://youtu.be/aLPpCQRfwRg
JANUS 17 (English subtitles): The only coherent explanation of the Great Repellerhttps://youtu.be/aLPpCQRfwRg
JANUS 18 (English subtitles): We explain why the early universe is so homogeneoushttps://youtu.be/aLPpCQRfwRg
JANUS 19 (English subtitles): The speed of light must be infinite at the time of the Big Banghttps://youtu.be/aLPpCQRfwRg
JANUS 20 (English subtitles): An observational test for this modelhttps://youtu.be/aLPpCQRfwRg
JANUS 21 (English subtitles): Theoretical physicists no longer believe in dark matterhttps://youtu.be/aLPpCQRfwRg
JANUS 22 - 1: Interventions in two international conferences in 2017, Frankfurt and Paris (COSMO 17)https://youtu.be/aLPpCQRfwRg
JANUS 22 - 2: Geometry, the part of the real and the imaginaryhttps://youtu.be/aLPpCQRfwRg
JANUS 22 - 3 (English subtitles) reprise in 2024 at 31' 48": Birth of a chimerahttps://youtu.be/fgL5FbFxtewhttps://youtu.be/aLPpCQRfwRghttps://www.youtube.com/watch?v=fgL5FbFxtew
JANUS 22 - 4 (English subtitles): Challenge of the black hole modelhttps://youtu.be/aLPpCQRfwRg
JANUS 22 - 5 (English subtitles): Gravitational waves. Neutron star merger. Mass inversion.https://youtu.be/aLPpCQRfwRg
JANUS 22 - 6 (English subtitles): Giant Black Hole or Supermassive Object? Plugstar modelhttps://youtu.be/wS2zLAKRKlkhttps://youtu.be/aLPpCQRfwRghttps://youtu.be/MKGWKTlc-4s
JANUS 22 - 7 (English subtitles): Mathematics from elsewherehttps://youtu.be/aLPpCQRfwRg
JANUS 22 - 8 (English subtitles): The error of mathematician David Hilberthttps://youtu.be/HMC4qrOWqw4https://youtu.be/aLPpCQRfwRg https://youtu.be/MKGWKTlc-4s
JANUS 22 - 9 (English subtitles): The black hole model: mathematically incoherent (for advanced math level)https://youtu.be/RKmxVKINk8Ahttps://youtu.be/aLPpCQRfwRghttps://youtu.be/MKGWKTlc-4s
https://youtu.be/MKGWKTlc-4s
JANUS 23 (English subtitles): The alternative to the inflation model.
JANUS 24 (fr). How to build the system of coupled field equations. The geometric context of Janushttps://youtu.be/aLPpCQRfwRg English versionhttps://youtu.be/TfPqGoKPJkYhttps://youtu.be/aLPpCQRfwRg
JANUS 25 (fr): A model validated by two publications in high-level journals
JANUS 26: Quantum Mechanics. Negative masses and energies. Refutation of the Englishman Farnès' criticismshttps://youtu.be/7RH3FY8KqX0https://youtu.be/aLPpCQRfwRg
JANUS 27: Concept of action (100,000 views!). Bimetric: failure of Damour's 2004 attempt.https://youtu.be/TtP4_I1aDzIhttps://youtu.be/aLPpCQRfwRg
JANUS 28: Thibault Damour's criticisms: invalid!
JANUS 29: Janus model, 17 observational confirmations (1h40). English, Spanish, Russian, Arabic.
JANUS 30: Black holes replaced by the plugstar model
JANUS 31: Out of arguments, Thibault Damour makes me look crazy.https://youtu.be/4NqsvQoCoYghttps://youtu.be/aLPpCQRfwRg
JANUS 32: The image of the hypermassive object at the center of the Milky Way: Black hole or Plugstar? (16 minutes)https://youtu.be/aLPpCQRfwRg
JANUS 33: How the academician Thibault Damour fights the Janus model
(12 minutes)https://youtu.be/aLPpCQRfwRg
https://youtu.be/JQgCpz10W-EJANUS 34 Source of the error (introduced by Tolman in 1934)
that gave birth to a chimera, the Black Hole
https://youtu.be/aLPpCQRfwRg
https://youtu.be/JQgCpz10W-EJANUS 35: [December
2024, two goals](https://www.youtube.com/watch?v=njM4J_WCzlM)
JANUS 36: August
2025, The Janus Model can be interpreted as a variant of the Damour Model, 2002.
JANUS 37: [Nov.2025
: Plugstars, the model that Françoise Combes will never talk about.](https://www.youtube...)