We are living through the most significant technological transition since the invention of the microscope. For the last two years, the world has been captivated by Large Language Models (LLMs)—Artificial Intelligence that can read, write, and pass the Medical Board Exams.

While impressive, LLMs have a fatal flaw: They are blind. They operate on text, but biology operates on physics, geometry, and light. An LLM can read a textbook about cancer, but it cannot see the subtle asymmetry of a tumor cell.