1915day.year
Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
Alexander Graham Bell established the first U.S. transcontinental telephone line, linking New York and San Francisco.
On January 25, 1915, Alexander Graham Bell spoke to his assistant Thomas Watson through the newly completed transcontinental telephone line.
The call connected Bell’s home in New York City to Watson in San Francisco.
This milestone marked the culmination of eight years of engineering and construction by AT&T.
The service used a combination of underground and overland telephone cables spanning 3,400 miles.
The introduction of coast-to-coast voice communication revolutionized business and personal connectivity.
This technological breakthrough laid the foundation for the modern telecommunications network.
1915
Alexander Graham Bell
Thomas Watson
1947day.year
Thomas Goldsmith Jr. files a patent for a "Cathode Ray Tube Amusement Device", the first ever electronic game.
In 1947, Thomas T. Goldsmith Jr. filed the first patent for an electronic game, pioneering the video game era.
Engineer and physicist Thomas T. Goldsmith Jr. filed a patent on January 25, 1947, for a 'Cathode Ray Tube Amusement Device.'
This analog electronic contraption used oscilloscope screens and physical overlays to simulate missile launches.
Often regarded as the first electronic game, it laid conceptual groundwork for future video games.
Though never commercialized, the patent demonstrated the potential of electronic entertainment.
Goldsmith’s design predated digital computing and influenced later developments in gaming technology.
The device remains a milestone in the history of science and technology.
1947
Thomas Goldsmith Jr.
Cathode Ray Tube
electronic game
1994day.year
The spacecraft Clementine by BMDO and NASA is launched.
NASA and the BMDO launch the Clementine spacecraft on a lunar mapping and technology demonstration mission.
On January 25, 1994, NASA and the Ballistic Missile Defense Organization jointly launched the Clementine spacecraft from Vandenberg Air Force Base, California.
The mission aimed to test new sensors and spacecraft technologies in deep space while conducting a detailed survey of the Moon.
Clementine carried imaging instruments that mapped the lunar surface in various wavelengths and searched for water ice near the poles.
Data from the mission provided new insights into lunar geology, mineral composition, and surface processes.
Despite its planned 75-day mission, Clementine exceeded expectations by operating longer and sending extensive scientific data.
The success of Clementine demonstrated effective collaboration between defense and civilian space agencies.
Its achievements influenced subsequent lunar exploration programs and international partnerships.
1994
Clementine
BMDO
NASA