"People use lighting lights in their homes and outside of their homes. People use vanity lights in their bathrooms, chandeliers in their entry ways and dining rooms, and porch lights on their porches."
Inventions that use light energy include solar powered objects like heaters / panels, lasors, CD players etc.
Morris code, tele-graph, light signals on ships.
You can communicate with computers using the Light Pens And Graphics Tablets.
They communicate using antennas on their heads
Using English?
It means you talk to other people, communicate with them, by using words.
Boats (people) can communicate silently with flags or light signals.
people communicated by using electric telegraphic instruments!
It's actually not wi-fi. It's local connection so you have to be near people to communicate with people.
A seance is when people get together, using a medium, trying to communicate with the dead.
people used to communicate in past through letter and taar,and currently using phone,mobileand internet. in futur people will be use internet.
Yes. (semaphore)
Kilalakita