The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter. (Alexander Graham Bell)

The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter.

Alexander Graham Bell

Related topics

class fact final general light matter property result sensitive sensitiveness

Related quotes