Panel

• Host: Jeong Yeong-jin / Guests: Galaxy researcher, Prof. Kim Beom-jun (Sungkyunkwan), Prof. Seo Gyun-ryeol (SNU)

Topics

1. Scientific thinking and ghosts: No evidence for ghosts; fear is evolutionary
2. Simulation theory: "The probability we're in a simulation is not zero" -- technology advances exponentially
3. Nature of perception: Everything we experience is brain electrical signals
4. Immortality: Possible through brain preservation but risks losing humanity
5. Entropy: Life reduces entropy; time only moves forward
6. Astronomy: Starlink satellites impact Hubble data (2.7-5% lost)
7. Nuclear weapons: Small numerous weapons more dangerous than one large one
8. Nuclear energy: E=mc^2 -- energy from mass difference x speed of light squared