Science invention
Optical phone - device that transmits sound using light
Inventor Alexander Graham Bell had high hopes for optical telephones, envisioning that wireless communications would replace the tangled network of telephone wires.
Graham Bell
Browse ScienceInfo articles and explainers related to Graham Bell.
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Articles about Graham Bell
4 published items.
Photo library
'Childhood' of today's technology products
The Telegraph collects photos of famous technology products at the new stage.
Science story
10 youngest inventors in the world
Most of the inventors below have published their inventions at school age to school.
Science story
Find the voice of the father of the phone
The voice of Alexander Graham Bell, the inventor of the telephone, was discovered among the oldest recordings recorded at the Smithsonian Institute, USA.