A mere four years after patenting the telephone, inventor Alexander Graham Bell was already looking for ways to improve on his new technology. Specifically, he wanted to go wireless. Functionally, ...

EARLY in the summer of the current year it was announced in the columns of NATURE that Prof. Graham Bell had made a discovery which, for scientific interest, would rival the telephone and phonograph, ...

[Dino Segovis] wrote in to share yet another installment of his Hack a Week series, though this one is quite timely. It was 131 years ago today that [Alexander Graham Bell] unveiled the Photophone to ...

The concept of remote video calls has been worked on since Bell’s phone company began pitching upgrading from telegrams to real-time voice calls. It wasn’t until the era of digital video and real-time ...

On June 3, 1880, Alexander Graham Bell transmitted the first wireless telephone message on his newly invented photophone from the top of the Franklin School in Washington, D.C. Bell believed the ...

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ON reading the description published in NATURE, vol. xxiii, p. 15, of Prof. Graham Bell's wonderful discovery, the transmission of speech by light, I notice that in “the photophone” the varying of the ...