First Solar Cell Demonstrated, USA | 1954-04-25 First Solar Cell Demonstrated, USA | 1954-04-25 Read More »
Credit Card Introduced, New York, USA | 1950 Credit Card Introduced, New York, USA | 1950 Read More »
Polaroid Instant Camera Released, USA | 1948-11-26 Polaroid Instant Camera Released, USA | 1948-11-26 Read More »
Transistor Invented, New Jersey, USA | 1947-12-16 Transistor Invented, New Jersey, USA | 1947-12-16 Read More »
Microwave Oven Invented, Massachusetts, USA | 1945 Microwave Oven Invented, Massachusetts, USA | 1945 Read More »
First Nuclear Reactor Startup, Chicago, USA | 1942-12-02 First Nuclear Reactor Startup, Chicago, USA | 1942-12-02 Read More »
First Computer (Z3), Berlin, Germany | 1941-05-12 First Computer (Z3), Berlin, Germany | 1941-05-12 Read More »
Nuclear Fission Identified, Berlin, Germany | 1938-12-17 Nuclear Fission Identified, Berlin, Germany | 1938-12-17 Read More »
