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...