On February 14, 1990, Voyager 1 took the first “family portrait” of the Solar System as seen from outside, which includes the image of planet Earth known as Pale Blue Dot. Soon afterward, its cameras were deactivated to conserve energy and computer resources for other equipment.
On the other hand, the human mind under the discipline of Hemi-Sync acts after the fashion of a laser beam which produces a disciplined stream of light.
Lamp vs Laser: Melissa Jager uses a metaphor to help clarify the process involved in the use of Hemi—Sync in the Gateway Experience.