Croton, Southern Italy, 5th Century BCE.

In the Pythagorean compound, mathematician Hipasus has committed the unforgivable: he has proven that √2 cannot be expressed as a ratio of whole numbers, shattering the brotherhood's sacred belief that "all is number."

Tonight, before dawn and the boat that will carry him to his drowning, Pythagoras visits his former student one last time. A dialogue about what we owe to truth when truth destroys everything we've built.

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About Thresholds of Thought

What if we could hear the conversations philosophy never recorded? The doubts philosophers never confessed? The moments that shaped ideas but left no trace?

Each episode explores these hidden hinges of intellectual history through imagined-but-plausible dialogues, letters, and confessions—rigorously researched, philosophically grounded, and designed to honor both historical context and human complexity.

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Production & Transparency

This series combines human philosophical direction (Dr. David Calvo Vélez) with AI creative tools: Claude (script), ElevenLabs (voice), Suno (music), Adobe Firefly (sound), Midjourney (cover art).

Every episode is human-curated, edited, and quality controlled. Not automated content—AI-augmented philosophical storytelling where technology serves a human creative vision.

Final production: David Calvo Vélez in Audacity.

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Contact: ⁠david.calvo@gmail.com