There are almost as many ways of choosing lottery numbers as there are chances of winning it. With a $422 million Powerball jackpot on the line, millions of people will be trying to pick the winning combination. The Powerball drawing consists of five white balls and one red Powerball.
Emacs Lisp. Emacs Lisp is a dialect of the Lisp programming language used as a scripting language by Emacs (a text editor family most commonly associated with GNU Emacs and XEmacs). It is used for implementing most of the editing functionality built into Emacs, the remainder being written in C (as is the Lisp interpreter itself).
The concentration of light in the caustic surface of a bundle of converging light rays which represents the focal image in an optical system uncorrected for spherical aberration. It appears as a hollow luminous cusp with its apex at the paraxial focus.