Parents buying "Quantum Physics for Babies" and "General Relativity for Babies" thinking it won't have any effect, then BAM! Two years later their toddler is contemplating the nature of spacetime while nursing a sippy cup of... wait, is that whiskey? 😂
The joke plays on the idea that exposing kids to complex physics concepts early turns them into tiny existential philosophers. Because nothing says "I understand the uncertainty principle" like also being uncertain about whether juice time or nap time comes next!