Question

how to increase an object of light convansation​

Answer 1

Some examples of communicating with light include traffic signals, crosswalk signals, car lights and open signs. Examples of communicating with sound are sirens, doorbells, applause and train horns.

Gather more night-lights—the more the better—and have them "talk” in a dark room. Try different locations and orientations of the lights, and see what happens. This experiment works well when a different person holds and manipulates each light