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case closed: missing neutrinos found Thermonuclear reactions at the center of the sun should produce up to three times as many neutrinos as neutrino hunters on Earth have been able to account for. But the latest results from the Sudbury Neutrino Observatory (SNO) prove that because they "change their stripes" on their way from the sun to the Earth, many neutrinos have been able to hide from detectors until SNO caught them in the act. secrets of weak-field NMR Nuclear magnetic resonance spectroscopy is often limited to samples that can be placed inside a big, expensive, high-field magnet. Now scientists have found a way to acquire chemical information with magnetic fields a million times weaker. The secret is to use a SQUID, the most sensitive magnetic field detector ever devised plus a few other tricks.. inside Yucca Mountain |
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