Aliens contact the earth with lasers
Astronomers say aliens can communicate with the earth by flashing a laser light like a cosmic lighthouse.Aliens communicate by laser?
American scientists hypothesize that aliens do not communicate with radio waves but use lasers to transmit data. Scientists hope to find evidence for this hypothesis soon.NASA 'shoots' the Mona Lisa image onto the Moon
Scientists from the US Aeronautics Agency (NASA) have fired a laser beam forming the famous picture of Leonardo da Vinci on a spacecraft flying around the moon.