Four-Stroke Internal-Combustion Engine

German inventor Nikolaus Septust Otto developed a four-stroke internal-combustion engine in 1876. Continue reading

Russian Developed Electric Rail and Street Lamps

Russian electrical engineer Pavel Nikolayevich Yablochkov developed electric rail and street lamps as commissioned by the Russian government as a means of illuminating the Continue reading

Alexander Graham Bell

Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company (AT&T) in 1885. Continue reading

First Words Spoken by Telephone

Alexander Graham Bell’s first spoken words by telephone were, "Mr. Watson, come here, I want you," on March 10, 1876. Continue reading