alexander graham bell

Inventor Alexander Graham Bell had high hopes for optical telephones, envisioning that wireless communications would replace the tangled network of telephone wires.

In today's world, inventors are the ones who receive a lot of respect. They may be the authors of a useful application, or have worked on an interesting technology solution to

The lives of celebrities are not as simple as they seem.

Perhaps for the younger generation, the presence of mobile phones is too familiar. But few people know that it was only born 40 years ago.

The Telegraph collects photos of famous technology products at the new stage.

Most of the inventors below have published their inventions at school age to school.

The voice of Alexander Graham Bell, the inventor of the telephone, was discovered among the oldest recordings recorded at the Smithsonian Institute, USA.

Talking dolls, metal detectors, wooden swimming fins ... are seemingly strange inventions of talented scientists.