That is the case with artist Christian Marclay's "The Clock," a 24-hour film comprised entirely of clips from movies and television. "It's not to create a trick or to make you forget about time ...

Splicing together footage from more than 12,000 films, Christian Marclay’s cinematic masterpiece might be the most complex clock ever built. (It’s definitely one of the most mesmerizing.) ...

The impact on video art of Marclay’s “The Clock,” which is on display at the Museum of Modern Art in New York through Feb. 17 ...