The Joe Rogan Experience
The Joe Rogan Experience

#2521 - Aravind Srinivas

July 1, 2026

AI Summary

5 min read

In the lobby before the podcast, Aravind Srinivas, the CEO of Perplexity AI, was telling Joe Rogan about the Brahmastra, a weapon described in the ancient Hindu epic the Mahabharata. It is, he explained, the equivalent of a hydrogen bomb—a weapon of mass destruction that could annihilate the human population, governed by a strict moral contract that made it accessible to only a few warriors, who had to receive the secret from a teacher, almost like a nuclear code. Rogan was immediately struck by the parallel: here is a text at least 1,500 to 2,500 years old describing a hydrogen bomb, semi-autonomous weapons that could self-direct to a target, and a discus that would chop off a head and return to its wielder. The conversation that follows is not about mythology as a curiosity, but about what it means for our understanding of history, technology, and the one human quality that has always driven progress: curiosity.

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What you'll learn

  • 1 (00:23) **The Brahmaastra** - Aravind describes the Brahmaastra from the Mahabharata, comparing it to a hydrogen bomb with strict moral and access controls.
  • 2 (02:55) **Dating the Mahabharata** - Discussion on the age of the epic, estimated between 1,500 and 2,500 years old, and the war between the Pandavas and Kauravas.
  • 3 (04:16) **Ancient Autonomous Weapons** - Details of advanced weapons like the semi-autonomous "Deviastra" and Krishna's self-directing "Sudarshan Chakra."
  • 4 (05:55) **Mythology vs. Lost Civilization** - Joe posits that the Mahabharata might describe a real, advanced civilization that was lost to catastrophe, not just mythology.
  • 5 (09:05) **Military Formations and Excavations** - Discussion of complex battle formations (Chakravyuha) and archaeological digs at Hastinapur that yield mixed evidence.
  • 6 (11:33) **Vedic Math and the Rig Veda** - Aravind explains Vedic math techniques for mental calculation and questions how such computational ideas exist in the ancient Rig Veda.
  • 7 (13:04) **The Flood Myth and Yugas** - The conversation moves to the universal flood myth (Manu) and the Hindu concept of Yugas (cosmic cycles), including the current Kali Yuga.

+ Full timestamped outline available in the app

Guests on this episode

Show Notes

Aravind Srinivas, PhD, is the co-founder and CEO of Perplexity AI, creator of the AI-powered search and answer engine Perplexity.
www.perplexity.ai


Perplexity: Download the app or ask Perplexity anything at https://pplx.ai/rogan.


This video is sponsored by BetterHelp. Visit https://BetterHelp.com/JRE

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