A century after quantum physics began, scientists still struggle to reconcile it with gravity and explain how observation shapes reality. The theory that explains stars and atoms continues to challenge our fundamental understanding of the universe.

From Columbia University alumni built in San Francisco
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From Columbia University alumni built in San Francisco

Lena: Hey Miles, I was just reading about quantum physics turning 100 this year. Can you believe it's been a century since Heisenberg had his breakthrough on that remote German island?
Miles: Helgoland! Yes, it's amazing to think that one of our most successful scientific frameworks began with a young physicist escaping hay fever. And yet, despite a century of quantum mechanics explaining everything from the periodic table to how stars shine, there's still this massive elephant in the room.
Lena: You mean gravity, right? I read that physicists still can't reconcile quantum mechanics with gravity, which seems wild after all this time.
Miles: Exactly. And what's even more fascinating is how quantum theory has this unsettling anthropocentric flavor—the idea that observation somehow shapes reality. There was this great quote from the Helgoland conference where two physicists were literally arguing over whether a stone can have a worldview!
Lena: Wait, what? Physicists debating if rocks have perspectives? That sounds more like philosophy than physics!
Miles: That's precisely what makes quantum physics so mind-bending. It's pushing scientists to completely redefine what we mean by "reality"—with ourselves potentially at the center of it. Let's explore how this century-old theory is still challenging our most fundamental understanding of the universe.