StarTalk Radio Cosmic Queries – Grabby Aliens with Charles Liu
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Sep 5, 2025 
Astrophysicist Charles Liu, a professor at the College of Staten Island and host of the looniverse podcast, joins for a fascinating discussion. They delve into the intriguing concept of grabby aliens and the potential implications of their behavior on humanity. The conversation switches to exploring quantum entanglement, free will, and the nature of particles. They even discuss the hypothetical scenario of infinite light speed and its effects on relativity. Humor and deep insights intertwine, making complex topics more relatable and engaging!
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Podcast Name Came From A Kid's Suggestion
- Charles Liu's podcast name came from his child suggesting 'the Luniverse' at dinner.
- He shared the story to illustrate how simple ideas can originate from family moments.
Higher Dimensions Could Explain Quantum Strange Behavior
- Quantum oddities might be explained by interactions in higher dimensions rather than weirdness confined to 3D space.
- Charles Liu and Neil deGrasse Tyson note string theory and higher-dimension models as plausible but hard-to-test explanations.
Entangled Particles Behave As One Extended System
- Entangled particles act as parts of a single quantum system stretched across space and time.
- Charles Liu describes entanglement as like one particle split into complementary pieces that remain connected.
