At the heart of the KEF Muo rebuild is a new racetrack-shaped mid/bass driver (2.5 × 5 inches) that has been paired with a 0.74 inch (19mm) tweeter and driven by a total of 40 watts of Class D amplification (30 watts for lows, 10 watts for highs.) The elongated oval shape (hence why they call these “racetrack” drivers) allows for more internal volume and greater efficiency. Combined with KEF’s own P-Flex Surround technology—a pleated structure borrowed from their subwoofers that reduces internal air pressure—it should get deeper, more controlled bass despite the tiny enclosure size.
“Turbulence is one of the great unsolved problems in classical physics,” Larry Cornman, a senior researcher at NCAR, told me, when we spoke in his office. “You have to predict where these things will happen and when, but the equations are inherently nonlinear.” Cornman is sixty-eight, with brown hair, streaked with gray, that hangs below his shoulders. He was dressed in a T-shirt and a tracksuit jacket, and spoke with an offbeat affability—a holdover from Boulder’s hippie days. Before earning degrees in math and physics from the University of California, Santa Cruz, Cornman lived in a Buddhist commune in Northern California for three years. When he moved to Boulder, in 1983, he took a job at NCAR as a part-time computer programmer, and never left. He has since earned eight patents and devised some of the most widely used systems for detecting turbulence.
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Thankfully, baby Abbie Humphries was found just over two weeks later and returned to her mother, but the case is a stark reminder of how the unexpected can happen, and how hospital security matters.
Полуостров чудовищПятиметровые питоны захватывают Флориду, и никто не может их остановить8 февраля 2017