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...ions, or charged particles, group leader Christopher Monroe and his team place each in a vacuum and keep them in position with electric fields. An ultra-fast laser pulse triggers the atoms to emit photons simultaneously. If the photons interact in just the right way, their parent atoms enter a quantum state known as entanglement, in which atom B adopts the properties of atom A even though they're in separate chambers a meter apart. When A is measured, the information that had been previously encoded on it disappears in accordance with the quirky rules of the quantum world...
...extracted from the womb throughout a pregnancy. Both procedures would, in theory, allow embryos to be discarded or pregnancies to be terminated for a matter as trivial as height or eye color. But both also allow parents and doctors to decide against bringing to term a baby that would enter the world with a grave and degenerative disease. The ethical conundrum lies in drawing the line. Plenty of parents abort babies found to be carrying the genetic signature of Down syndrome. Other parents of well-loved Down children would dispute that decision...
...think you've heard it all before, chances are you have. Some of the most exciting music today is being created by sound-sampling omnivores whose songs draw from bygone musical eras - take DJ Shadow, Amon Tobin or Mr Scruff. Enter Retrochine. More than a collection of kitsch remixes, this second release by Schtung Music duo Morton Wilson and producer Ian Widgery follows on from their hugely successful 1930s Shanghai Lounge Divas album, but this time ventures into 1950s and 1960s Hong Kong through the classic musical films of the Shaw Brothers...
...Enter Facebook, which provides a constant flow of information via short updates from everyone a user knows: a distant cousin is glad he skipped the cheeseburger chowder; a colleague has a new book on sale; a close friend is engaged or newly single. Jenny and I, along with three of our childhood pals from Saratoga Springs, N.Y., learned that a dear old friend had ended her seven-year relationship through a Facebook status change. We expressed dismay, albeit through Facebook's IM feature, that we had to learn such potent information in this impersonal way. (See the best social networking...
...week, John F. Kennedy issued a call to national service using a still novel technology for political communication: television. "Ask what you can do for your country," he commanded from the Capitol's steps in his Inaugural Address, words that would inspire a generation of leaders to enter government service...