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Imaging The Human Body With Muons
Do you remember the DAMA-LIBRA experiment? It is a underground detector made of sodium iodide crystals buried under the rock of the Gran Sasso mountain in central Italy, which took data for over a decade in the search of the elusive signal that slowly-moving, massive particles would produce when they bounced off atoms>
Over 6,000 light-years away from earth, in the constellation Puppis in the southern sky, is an emission nebula. Emission nebulae are diffuse clouds of gas that have become so charged by the energy of nearby massive stars that they glow with their own light. The radiation from these massive stars strips electrons from>
This year, you're going to pay 24 percent more for a turkey, a tough bite out of the wallet for poor people and a dose of reality for economists and armchair pundits who claimed prior to today's "stagflation" that higher prices are no concern.Imagine how much higher prices would be if food suffered the yield losses>
Yesterday, following a fifth orbit-raising maneuver, the Chandrayaan-1 spacecraft successfully settled into a trajectory that will take it to the Moon.  After launch on 22 October, the spacecraft was first injected into an elliptical 7-hr orbit around Earth, between 255 km and 22 860 km above our planet. After five>
Since they were pioneered by Robert Hooke 350 years ago, microscopes have been extending our vision. In the 21st century, scanning electron microscopy (SEM) and confocal microscopy, which uses a pinhole to remove out-of-focus light and allows 3D structures to be built from multiple images, have pushed the boundaries>