This framework can help better analyze shapes and ... simpler tools from geometry processing, but at the end, you get a solution to the more challenging second-order parabolic PDE." ...

and infamous unsolved problems When was math invented? The parabola was a significant shape to many mathematicians of ancient Greece, such as Euclid of Alexandria (~300 B.C.), Archimedes of ...

NEARY: Well, it turns out that the Gateway Arch is not a parabola. Robert Osserman(ph) wrote from Berkeley, California: I'm sure the Math Guy will ... 17th century. The shape is indeed a catenary.

But under the laws of gravity, a parabola is an impossible shape for an object that's gravitationally bound to the Earth. The math simply doesn't work out. If we could design a precise enough expe ...