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  • The foes now are universal - poverty, famine, religious radicalization, desertification, drugs, proliferation of nuclear weapons, ecological devastation. They threaten all nations, just as science and information are the potential friends of all nations. Classical diplomacy and strategy were aimed at identifying enemies and confronting them. Now they have to identify dangers, global or local, and tackle them before they become disasters.

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The foes now are universal - poverty, famine, religious radicalization, desertification, drugs, proliferation of nuclear weapons, ecological devastation. They threaten all nations, just as science and information are the potential friends of all nations. Classical diplomacy and strategy were aimed at identifying enemies and confronting them. Now they have to identify dangers, global or local, and tackle them before they become disasters.

In 1945 J.A. Ratcliffe ... suggested that I [join his group at Cavendish Laboratory, Cambridge] to start an investigation of the radio emission from the Sun, which had recently been discovered accidentally with radar equipment. ... [B]oth Ratcliffe and Sir Lawrence Bragg, then Cavendish Professor, gave enormous support and encouragement to me. Bragg's own work on X-ray crystallography involved techniques very similar to those we were developing for "aperture synthesis", and he always showed a delighted interest in the way our work progressed.

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