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‘This result challenges our previous knowledge of pulsars,’ scientist says

<p>Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about ten trillion times the energy of visible light. This observation is hard to reconcile with the theory of the production of such pulsed gamma rays, as the international team reports in the journal <em>Nature Astronomy</em>.</p>

‘This result challenges our previous knowledge of pulsars,’ scientist says

Relatively low. >> for 40 years of expansion and diagnostic radiation, if the cancer hypothesis were really true we should see an increasing rate of cancer, a cancer epidemic, we're not. cancer incidents per captive has been flat for the last ten years. >> however, the food and drug administration looking to make some changes, for example, requiring manufacturers of those devices, for example, to print the dose on each film or image so that patients and doctors can keep track of how much they're receiving over a lifetime. there are also alternatives. >> and call it groon imaging, where we've a...