The second step is to treat Wigner's friend as an unobserved inanimate measuring device that has two states: either it registers the photon, χ₁ or it does not χ₂.

Cramp, be thou faintless / As our lady was sinless, / When she bare Jesus.

Sen. Barack Obama said Wednesday that his chief rival, Sen. Hillary Clinton, was too closely tied to the Washington status quo to bring about change.

Has anyone got a crack for DocumentWriter 3.0?