1887
No one has invented a teleportation machine yet, but my idea is to turn the person into a microchip and send it to a satellite through radar and send them anywhere.
Radar
The phonograph was invented in 1878. Thomas Edison invented it.
radar
As far as I know, radar was invented by a Hungarian scientist named Zoltan Bay. That radar was first used in World War II by the British troops.
1935
Radar was first put on ships during WW2.
The newly invented radar.
yes it was
At the University of Oklahoma
Christian Doppler
1887
March 1954
It was derived in the 1950s, from RADAR screens and TV sets developed in the 1930s, which were derived from oscilloscopes developed in the 1920s.
September 5, 1997.
Robert Watson-watt invented the radar on 15th june 1935.