Counter-terrorist intelligence officers recall with fury how a newspaper article describing National Security Agency abilities directly led to the loss of information that could have avoided the terrorist killing of 241 soldiers in Beirut late in October 1983. Secrecy guards against wanton nuclear proliferation, against the spread of biological and chemical weapons. Secrecy is central to our ability to wage an effective war against terrorism.
From extraordinary rendition to warrantless wiretaps and Abu Ghraib, we have learned that, under the veil of classification, even our leaders can give in to dangerous impulses. Secrecy increasingly hides national policy, impedes coordination among agencies, bloats budgets and obscures foreign accords; secrecy throws into the dark our system of justice and derails the balance of power between the executive branch and the rest of government.
Around the horizon of a black hole, an edge of the universe, light is captured, spun into orbit by the black hole’s powerful gravitational pull. Lying within the orange donut in the famous first image of a black hole, this “photon ring” would be a prize...
My world was jolted by two shadow images: one, thrilling, the other terrifying. After a years-long effort—with 200 other scientists—we made the first image of a black hole, its shadow of no return. Then I fell into debilitating pain. A deadly shadow...
1930, Madras, India. On a steamship to England, 19-year-old Indian physics prodigy, Subrahmanyan Chandrasekhar makes a paradigm-shattering discovery about the life cycle of stars: a discipline pioneered by Sir Arthur Eddington, the world’s most famous...
