New England Journal of Medicine
An Apology
Lewis Thomas
Abstract
The role of the observer in biologic research is complicated but not bizarre: he or she simply observes, describes, interprets, maybe once in a while emits a hoarse shout, but that is that; the act of observing does not alter fundamental aspects of the things observed, or anyway isn't supposed to.It is very different in modern physics. The uncertainty principle doesn't mean that the observer necessarily destroys the precise momentum, or shifts the particle, in the act of observing, although these things happen. It is a more profound effect. The observer and his apparatus create the reality to be . . .