Alexander Graham Bell was one of the early modern developers who used light to transmit human speech.

Name: Alexander Graham Bell was one of the early modern developers who used light to transmit human speech.
Brand: Quizplus
Rating: 4.9 (44 reviews)

Question

Quizplus · Accepted Answer

Alexander Graham Bell is known for inventing the telephone, which used electrical signals to transmit human speech. However, he also worked on the development of photophones, which used light to transmit speech.

Alexander Graham Bell Was One of the Early Modern Developers