March 28, 2026
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Are we living inside a computer simulation? Is artificial intelligence truly conscious? And what happens to us when we die? Neil deGrasse Tyson and cohost’s Chuck Nice and Gary O’Reilly tackle more questions from inside the StarTalk team.
How do you weigh a planet? Can you? Neil breaks down why Earth is technically weightless before walking us through how to weigh a heavy truck using nothing but tire pressure and contact surface area.
A question about Google's quantum chip sparks a discussion on simulation theory. What signs are there that we could be living in a simulation? Did our cosmic programmers walk away from the experiment and are surprised by what they found?
The conversation shifts to AI consciousness: does it matter whether a mind is made of silicon or neurons? Neil invokes the Turing test, Asimov's three laws of robotics, and the philosophical case that behavior is what defines intelligence. The group debates AI in governance, guardrails, and whether a fully rational AI officeholder would actually appeal to voters.
A question about education prompts Neil to lay out his vision for schools that teach students how to think rather than what to know. Finally, a deeply personal question about faith, agnosticism, and facing death leads Neil to share his most reflective thoughts: on stardust, non-existence, and what it means that the energy of every life continues cycling through the universe long after we're gone.
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