What's the Science of Invisibility?
Aug 7, 2026 · 42m
Summary
Hosts Will Pearson and Mangesh Hatikater explore the science and psychology of invisibility, featuring astronomer Bob Berman on invisible light and quantum observation. They discuss animal UV vision, historical invisibility myths, and modern metamaterial cloaking. Guests Peregrine Church and Zach Fisher share their rain-activated art project, while the hosts examine the "invisibility cloak illusion" and children's perceptions of being seen.
Topics discussed
Sponsors and intro story about lemon juice invisible ink
Welcome to Part-Time Genius and introduction to invisibility
The science of invisible light and the electromagnetic spectrum
Wave-particle duality and the nature of observation
Animals that see ultraviolet light: birds, reindeer, and wolves
Modern invisible ink technology using UV-reactive paper
History of light discovery: infrared, X-rays, and ancient views
UV radiation, Vitamin D, and modern sun avoidance habits
Mid-roll ads and transition to historical invisibility spells
Medieval invisibility potions and their gross ingredients
Psychology of desiring invisibility vs. flight as superpowers
Metamaterials and the science behind real invisibility cloaks
Rain-activated art project using super hydrophobic coatings
Quiz segment and more mid-roll advertisements
The psychological illusion of being invisible in public
Children's logic in peekaboo and hiding their eyes
PGG Fact Off: Polar bears and the invisible employee
Outro, final ads, and credits
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