Find out why people are obsessed with "The Rock Clock." Produced by Will Wei Follow TI: On Facebook More from Tech Dwayne "The Rock" Johnson just launched an alarm app, and like everything else he ...

Dwayne "The Rock" Johnson's "Project Rock" released this snooze-button free motivational alarm clock app called "Rock Clock." Complete with amazing alarm tones featuring Johnson himself.

The Earthtime project is an international effort with the goal to further this quest for a well calibrated and stable timescale that will allow more precise dating of rock layers and minerals 1.