Google's Valentine Surprise

Type the following gobbledygook math function into Google for a Valentine's Day surprise:

1.4sqrt(cos(x))*cos(300x)+sqrt(abs(x))-0.7)*(4-x*x)^0.01, sqrt(6-x^2), -sqrt(6-x^2) from -4.5 to 4.5

Happy Valentine's Day!

(via Mashable)