When the Soviets Set Off the Biggest Nuclear Bomb, J.F.K. Didn’t Flinch

By William J. Broad from NYT Science https://ift.tt/3bmY1B9 A new study offers insights into how the United States reacted to Tsar Bomba, a planet shaker that made the deadly Hiroshima blast look tame. https://ift.tt/3bmY1B9