From Terminator 2

JOHN CONNOR: So this other guy? He’s a terminator too,
right, like you?

TERMINATOR: Not like me. A T-1000. Advanced prototype. A mimetic polyalloy.

JOHN: What does that mean?

TERMINATOR: Liquid metal.

AP Photo:

Caption: “Michael Phelps prepares to surface during the backstroke leg in the men’s 200-meter individual medley at the U.S. World Championship Swimming Trials in Indianapolis, Monday, April 4, 2005. Phelps won the event. (AP Photo/Tom Strattman)”