"And you can fit more information on to the light beam. "
He flashed his light beam about the room ahead of him.
He stepped up on the light beam and immediately knew something was different.
It dealt with new data on the power of light beams.
A light beam would be left behind us as though it were crawling.
Suddenly there was a movement on the fringe of the light beams.
Scientists believe that not even light beams can escape once they are inside.
There just wasn't time to trek across country following the stone's light beam.
But even if you traveled on a light beam, the stars are very far apart.
If a light beam is broken, the computer stops the ride.