Memory of the day: American scientists John Bardeen, Walter Brattain establish basic principles of the transistor in 1947

CAIRO – 17 November 2021: In the following lines, ET shed light on the most important world events that took place on November 17.

1947 - American scientists John Bardeen and Walter Brattain establish the basic principles of the transistor, a key element in the electronics revolution of the twentieth century.

1970 - Douglas Engelbart receives a patent for the computer mouse.

2003 - Actor Arnold Schwarzenegger is elected Governor of California.