Why is any of this important? In presenting his own list of mysteries, Hilbert put it this way: “It is by the solution of problems that the investigator tests the temper of his steel; he finds new methods and new outlooks, and gains a wider and freer horizon.” And in physics, the horizon is no less than a theory that finally makes sense of the universe.
TOP TEN UNSOLVED PROBLEMS IN PHYSICS
Why is any of this important? In presenting his own list of mysteries, Hilbert put it this way: “It is by the solution of problems that the investigator tests the temper of his steel; he finds new methods and new outlooks, and gains a wider and freer horizon.” And in physics, the horizon is no less than a theory that finally makes sense of the universe.
via TOP TEN UNSOLVED PROBLEMS IN PHYSICS.