Philo T. Farnsworth made the first television and transmitted the first image, which was a dollar sign made up of 60 individual lines. Farnsworth filed for a patent on his work in 1927.
Vladimir Zworykin was another significant contributor to the development of television. He invented the iconoscope camera tube and the kinescope picture tube, which eventually became the basis of television cameras and sets. Zworykin filed a patent for color television in 1929, the same year he went to work for RCA. RCA paid Farnsworth $1 million for the rights to his work, and the company manufactured the first television sets for home use.Learn More
Albert Einstein discovered the general theory of relativity. It is one of the two pillars of modern physics, the other being quantum mechanics. He is best known for his mass–energy equivalence formula: E = mc2, which has been dubbed "the world's most famous equation".Full Answer >
Despite an immobilizing disability, Stephen Hawking’s research has changed science’s fundamental understanding of the universe. A prolific writer, he has published numerous scientific papers on theoretical physics and cosmology as well as three best-selling popular books.Full Answer >
Excluding the abacus or slide rule, the first mechanical calculator was invented by French inventor, Blaise Pascal in 1642. It could add or subtract two numbers or divide and multiply by repetition, using geared wheels.Full Answer >
In response to a request from the United States Department of Defense, work began on a system that would enable computers to connect and share information between universities. The first successful connection between two locations was achieved in 1969 through a system called ARPAnet, often written as ARPANET, and is considered to be the predecessor of the modern Internet. The actual start of the U.S. government-supported development of the protocols and packet-switched systems required to share information across research centers began as early as 1962 and was in response to the first successful launch of an orbiting satellite, Sputnik, by the Soviet Union in 1957.Full Answer >