Are you scared about Earth being invaded by aliens?
US astronomers may have a solution – shining laser beams into space to hide our presence.
To talk about the idea, scientist Michelle Dickinson joined Paul Henry in the studio.
Are you scared about Earth being invaded by aliens?
US astronomers may have a solution – shining laser beams into space to hide our presence.
To talk about the idea, scientist Michelle Dickinson joined Paul Henry in the studio.