Birdwatch Note Rating
2023-05-02 06:59:09 UTC - HELPFUL
Rated by Participant: 7079E1E48B545F59579533344B377633F6C7D520E2761F3E19548F2D6AE7547E
Participant Details
Original Note:
The SR-71 Blackbird first flight was in 1964, whereas the first 'electronic' calculator was created in 1961. The first 'solid state pocket calculator' was created in the early 1970s, after the first flight of the Blackbird. https://en.wikipedia.org/wiki/Calculator#1970s_to_mid-1980s https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird
All Note Details