Word: experimentally
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The two-photon puzzle was nothing more than a matter of speculation until 1964, when an Irish theoretical physicist named John Stewart Bell restated the problem as a simple mathematical proposition. A young physicist named John Clauser came upon Bell's theorem and realized that it opened the door to...
The outcome was clear: a change in one photon did alter the polarization of the other. In other words, nature chose quantum mechanics, showing that the two related photons could not be considered separate objects, but rather remained connected in some mysterious way. This experiment, argues physicist Henry Stapp of...
It is easy to understand why even Hawking was awed: he was looking at just a portion of the largest scientific instrument ever built. Known as the large electron-positron collider, this new particle accelerator is the centerpiece of CERN, the European Organization for Nuclear Research and one of Europe...
But researchers will be awfully disappointed if all they succeed in doing is to fill out the known family tree of particles. Too much predictability can make science dull. Says Samuel Ting, an M.I.T. physicist and one of the head researchers at CERN: "I will only consider our experiment a...
While the vote was widely interpreted as a grass-roots thumbs-up for the rapid unification of the two Germanys, preparations for the funeral of the G.D.R.'s failed experiment in communism have only begun. To guide East Germany through the intricacies of unification, the triumphant conservatives in East Berlin...