Our "instant index" tonight begins with a little mistake that has become a big part of our lives. You probably had to do it several times today, hit control, alt delete to log onto your computer.... See More
Our "instant index" tonight begins with a little mistake that has become a big part of our lives. You probably had to do it several times today, hit control, alt delete to log onto your computer. Finally founder bill gates was asked why three clunky key strokes to open the machine. His response at first meandering but then a confession. We could have had a single button but the guy who did the idea on keyboard design didn't want to give us our single button so -- it was a mistake. A mistake. And thus a modern annoyance was born. And who can forget this epic battle? Luke sky walker, darth vader, some hollywood magic. Tonight scientists at m.I.T. And harvard say they have finally created a real light saber, we're talking solid laser beams that look like light but are like this. No word on how they're going to use them but somewhere right now smiling yoda is. And mad man star jon ham cleared up a mystery after his voice seemed raspy. I've got a pull up on my vocal cord. Sounds worse than it is although it doesn't sound as bad as how the "national enquirer" reported it which was that I was coughing up blood and probably have cancer. Oh, that's nice. As for his beard, ham says it's evidence how lazy he got to be after a summer of working hard.
This transcript has been automatically generated and may not be 100% accurate.