A parabola is a curved line with particular characteristics. Any point on the curve is the same distance from a fixed point and a fixed straight line. The result looks like half of an ellipse or ...

MANY listeners wrote in to point out that the Arch is not a parabola, as we said on air. It's a catenary curve. Stanford math professor Keith Devlin explains the difference. It's time for your ...

Anyone who's ever taken a physics course has learned the same myth for centuries now: that any object thrown, shot, or fired in the gravitational field of Earth will trace out a parabola before ...

They used a common magnetic material, iron-nickel alloy (known as Permalloy), to build curved objects like parabola-shaped strips. Using lithography, they formed various parabolic strips of ...