Crab pulsar beams most energetic gamma rays ever detected from a pulsar


Astrophysicists have detected pulsed gamma-ray emission from the Crab pulsar at energies far beyond what current theoretical models of pulsars can explain. With energies exceeding 100 billion electron-volts (100 GeV), the surprising gamma-ray pulses were…

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Microscope on the go: Cheap, portable, dual-mode microscope uses holograms, not lenses


Related images(click to enlarge) To serve remote areas of the world, doctors, nurses and field workers need equipment that is portable, versatile, and relatively inexpensive. Now researchers at the University of California at Los Angeles…

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