February 2016

Monthly Archives

  • Complexity and “Truth”

    How do we know is something is “true?” We usually assume that observations supporting an explanation verify truth. Often this is basic. Who needs a formal proof of gravity to realize that a dropped brick may hit a toe? But when cause and effect become murky, proving causation or even establishing a fact is squishier. […]

  • The Parable of the Doomsday Clock

    A nearly forgotten old risk assessment is the Doomsday Clock from the Bulletin of the Atomic Scientists. As nuclear scientists’ bullhorn, the Bulletin’s editors obviously draw on information dark to most of us. In 1947 the Bulletin began its annual announcement of the Doomsday Clock to publicize the risk of massive annihilation by nuclear weapons. […]