phil reed writes "University of Washington physicist John Cramer is attempting to send a signal back through time." From the article: "We're going to shoot an ultraviolet laser into a (special type of) crystal, and out will come two. lower-energy photons that are entangled," Cramer said. For the first phase of the experiment, to be started early next year, they will look for evidence of signaling between the entangled photons. Finding that would, by itself, represent a stunning achievement. Ultimately, the UW scientists hope to test for retrocausality — evidence of a signal sent between photons backward in time. The test will involve sending one of the photons down 10 miles of fiber optic cable, delaying it by 50 microseconds, then testing a quantum-mechanical aspect of the delayed photon. Due to quantum entanglement, the non-delayed photon would need to reflect the measurement made 50 microseconds later on the delayed photon. In order for this to happen, some kind of signal would need to be sent 50 microseconds back in time from the delayed photon to the non-delayed photon. (Confusing? Quantum physics is like that.)

GeneralPacket writes "A 20-inch laptop might sound perfect for a game of Grand Theft Auto on the way to work, or navigating a mammoth spreadsheet. But are they really usable as laptops, or are they just luggable desktops? This week CNET attempted to work on the super-sized 20-inch Dell XPS M2010 laptop while travelling across London on the subway. The resulting video review is hilarious. This is not your typical tech video review — it's actually funny, and, refreshingly, completely advertising-free. The reviewer is in constant fear that anti-terrorism police are about to swarm him. Would you use a 20-incher?"

smooth wombat writes "U.S. and German scientists have embarked on a two-year long project to map the genetic code of Neanderthal man. Their hope is to gain a greater understanding of how modern human brains evolved. This study comes after last years completion of mapping the DNA of chimpanzees, our closest living relative." From the article: "Over two years, the scientists aim to reconstruct a draft of the 3 billion building blocks of the Neanderthal genome -- working with fossil samples from several individuals. They face the complication of working with 40,000-year-old samples, and of filtering out microbial DNA that contaminated them after death. Only about 5 percent of the DNA in the samples is actually Neanderthal DNA, Egholm estimated, but he and Rothberg said pilot experiments had convinced them that the decoding was feasible."