The laser signal is said to have been unused because the city council deems it an "inappropriate gift."

In 1972, the Copernicus satellite was used to examine this star for the emission of ultraviolet laser signals.

Nothing that resembled an intentional laser signal was detected, but efforts continue.

In fact, one could tailor the laser signals to tell all A's whose neighbors had a particular value, 1 or 0, to register a 1.

Perhaps she had not noticed the incoming laser signal at all yet.

She really did not appear to know about the laser signal.

These hung from a trapeze while the seeker heads looked for a modulated laser signal.

Fifty years ago we could send radio messages one thousand light-years and laser signals ten light-years.

Not magic, just a laser signal from an old stone tower.

They instead use a laser signal to leak the new discovery to the media and every scientific institution in the entire world.