For some, the idea of time travel is about fantasy. For others it's science. But for Ronald Mallett, it was love -- a son's love for his father.
You might even call it his lifelong mission.
"I thought if I could build a time machine to save my father's life and see him again," said Mallett, whose father died when he was just 10.
"My father was someone who was the center of my life -- I was the oldest of four children and we grew up in the Bronx. And my father was a television repairman,"...Full Story