Giuseppe Cocconi was an Italian physicist who was director of the P...
Philip Morrison was a professor of physics at the Massachusetts Ins...
G. Cocconi and P. Morrison set forward one of the first proposals f...
Freeman Dyson describing the proposal by Cocconi-Morrison. **Fre...
This is the central question of this paper. If a society becomes de...
>***"The lifetime of such societies is not known; but it seems unwa...
Quote from Philip Morrison where he describes the origins of the pa...
The hydrogen line - **1420.40575 MHz** - is the precession frequenc...
> ***"Few will deny the profound importance, practical and philosop...
© 1959 Nature Publishing Group
© 1959 Nature Publishing Group